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1982 MY(Model Year) problems & possible solutions.

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Old 03-03-2013, 11:35 AM   #1
SSROADSTER
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Default 1982 MY(Model Year) CFI problems & possible solutions.

Welcome 1982 owners, future owners and all members of the forum.

This "sticky" is for 1982 Corvette CFI owners which also has the 700r4 Trans and differences in the Rear.
Although there are numerous publications and general information out there about C3 auto repairs, we are only concerned with the differences that are specific for the 1982 Corvette Model Year.
This "sticky" will provide a good start for a "standard type" checklist to complete for a specific problem or problems, therefore help eliminating unnecessary replacement of parts and unwanted downtime of using the 82.
Everyone's contribution is welcomed and needed.

It is important that if you use this sticky to read it from the beginning, all of the suggestions listed, as there are sometimes where one suggestion can overlap and even be the same possible solution for more than one problem that may be in another section.

General Maintenance... it is important to make sure that your charging system, cooling system, fuel system and other fluids are maintained on a regular basis.
So doing a PM (Preventative Maintenance) on your vehicle will help lessen problems that you might otherwise experience.

BOOKS & REFERENCES
...A...1982 Corvette Owners Manual
...B...1982 Corvette Shop Manual
...C...1982 AIM (Assembly Instructional Manual)
...D...Corvette Fuel Injection & Electronic Engine Control: 1982 through 2001 [Paperback] ...refer to G under WEB SITES for info
...E...How to Use Automotive Diagnostic Scanners: by Motorbooks Worshop (Tracy Martin) ...includes good info on both OBD-I & OBD-II systems...good read and addition to your reference book(s)

All 1982 owners should at least have the above Books.
Although Books B & C can be tough to understand at times, they are an excellent source for troubleshooting and solutions for your vehicle, along with the disassembly & assembly of your Corvette. Also with the wealth of info here on our forum, and other sources as well, you should be able to diagnose and repair your problem yourself or forward the info to your mechanic (tech) so that they can repair and complete the job as needed.
Beware, you can spend hours of reading and learning just from the WEB SITES SECTION listed below.


I have reorganized the CFI info into SECTIONS w/numbers, hopefully this will make it easier to search the "sticky" for the info you need...
here they are.......


SECTION ONE...........WEB SITES WITH HELPFUL INFO
SECTION TWO..........1982 & 84 OWNER(S) THREADS & POSTS THAT LED OR MAY LEAD TO A SOLUTION(S) ------------------------------------------FOR A POSTED PROBLEM(S)
SECTION THREE.......NO START CONDITION(S)
SECTION FOUR.........IDLING CONDITIONS
SECTION FIVE..........PERFORMANCE ENHANCEMENT 383 CI ENGINE BUILD by Buccaneer 8/20/2017
SECTION SIX............MODS FOR PERFORMANCE ENHANCEMENTS WITH A STOCK OR SLIGHTLY MODIFIED ENGINE
SECTION SEVEN.......REBUILDING SERVICE(S) AND PARTS
SECTION EIGHT.......TECHNICAL SERVICE BULLETIN(s) (TSB's
SECTION NINE.........MISCELLANEOUS SECTION...
SECTION TEN..........QUESTIONS & HOW TO's
SECTION ELEVEN.....82 OWNERS PICTURE SECTION


-------------------------------------------------------SECTION ONE----------------------------------------------------------

WEB SITES WITH HELPFUL INFO
...A...Corvette Forum, our forum with the use of the "Search Button" in the Tech & General Sections will also get you started in pinpointing the problems you are experiencing.
...B...web site strictly for CFI....http://crossfireinj.fr.yuku.com/
...C...web site strictly for CFI....http://www.crossfireinjection.net/
...D...good CFI section....http://www.corvetteactioncenter.com/...njection-mine/
...E...C3 section w/good CFI info....http://www.digitalcorvettes.com
...F...good source for CFI tuning..http://www.corvettefever.com/techart...system_tuning/
...G...reference to CFI book from D in above section BOOKS & REFERENCES.
Corvette Fuel Injection & Electronic Engine Control: 1982 through 2001: SAE Charles O. Probst, Charles O. Probst: 9780837608617: Amazon.com: Books Corvette Fuel Injection & Electronic Engine Control: 1982 through 2001: SAE Charles O. Probst, Charles O. Probst: 9780837608617: Amazon.com: Books
...H...L83 CFI engine specs....http://www.corvetteactioncenter.com/.../82engine.html
...I...1982 Corvette Model Year Info....http://www.corvettefever.com/feature...olet_corvette/
...J...Crossfire Upgrade....http://www.corvettefever.com/howto/51218/
...K...CFI info and how to....http://www.thecubestudio.com/Crossfi...eriesIndex.htm
...L...CROSSFIRE Tech how to....http://www.digitalcorvettes.com/foru...d.php?t=101038


-------------------------------------------------------SECTION TWO----------------------------------------------------------

1982 & 84 OWNER(S) THREADS & POSTS THAT LED OR MAY LEAD TO A SOLUTION(S) FOR A POSTED PROBLEM(S)
...A...TB Balancing for our CFI & pinging problem http://forums.corvetteforum.com/c3-t...bs-tonite.html
...A1...Balancing the TB's https://www.corvetteforum.com/forums...balancing.html
...B...Power Mirrors not working....http://forums.corvetteforum.com/c3-t...r-mirrors.html
...C...L83 ECM tuning....http://forums.corvetteforum.com/c3-t...nerpro-rt.html
...D...Catalytic Converter info....http://forums.corvetteforum.com/c3-t...converter.html
...E...82 Distributor info....http://forums.corvetteforum.com/c3-t...lp-needed.html
...F...Distributor Connector not used on the 82 ....http://forums.corvetteforum.com/c3-t...connector.html
...G...82 Exhaust info....http://forums.corvetteforum.com/c3-t...post1585908918
...H...L83 Engine Upgrade....http://forums.corvetteforum.com/c3-t...e-upgrade.html
...I...C3 Front & Rear Radio Speaker Replacement....http://forums.corvetteforum.com/c3-t...with-pics.html
...J...Tach problems w/carb engine upgrade http://forums.corvetteforum.com/c3-t...e-upgrade.html
...K...Cruise Control problems....http://forums.corvetteforum.com/c3-t...trol-woes.html
...L...info for changing from Automatic trans to 4 speed Stick in the 82 ....http://forums.corvetteforum.com/c3-t...peed-help.html
...M...CFI engine running rough & headlight door problem http://forums.corvetteforum.com/c3-t...dont-work.html
...N...84 CFI hard starting....http://forums.corvetteforum.com/c4-g...g-1984-c4.html
...O...82 Heater Control Panel Install....http://forums.corvetteforum.com/c3-t...l-install.html
...P...Cloth Seat Info for the 82....http://forums.corvetteforum.com/c3-g...s-victory.html
...Q...82 Rear (Diff) Rebuild....http://forums.corvetteforum.com/c3-t...l-rebuild.html
...R...CFI-No Fuel [url]http://forums.corvetteforum.com/c4-tech-performance/3429039-crossfire-no-fuel.html[url]
http://forums.corvetteforum.com/c3-t...fire-hell.html
http://forums.corvetteforum.com/c3-t...post1586348772
...S...Idle Problems http://forums.corvetteforum.com/c3-t...-idle-rpm.html
https://www.corvetteforum.com/forums...-not-idle.html
...T...82 CFI Hard Starting Problems http://forums.corvetteforum.com/c3-t...ification.html
http://forums.corvetteforum.com/c3-t...post1586931869
https://www.corvetteforum.com/forums...g-problem.html
...U...82 Fuel Gauge Problem....http://forums.corvetteforum.com/c3-t...e-problem.html
...V...82 ECM rebuild necessary??? http://forums.corvetteforum.com/c3-t...post1586436376
...W...WOT & Cruise Control Cable Issue submitted by MARC (Drawmain)
"Here's one for anyone with an 82 having issues with charging and CEL's. As I was driving today (pretty day here, took the tops out and cruised) my throttle all of a sudden wouldn't go past barely open. It was enough to maintain speed, but acceleration was really slow. It was like the cable was catching on something. So I drive home, pop the hood and remove the air cleaner to see what is up. The cruise control cable sheath was melted to the cable, it was totally gone between the throttle bodies. Neither of the other cables showed any issues at all. I removed the cable and I had full throttle travel again. Here is what I think happened:
The cruise control cable is routed to the front of the engine, over the top of the alternator. There is sheathing around the cable the entire length to the bracket on the intake. My sheathing was dry and brittle and had split exposing the cable inside. As the cable lays on top of the alternator, I think it contacted the case of the alternator with the bare cable, causing the cable to conduct current to the intake. Scary stuff. I was lucky all that happened to me was a melted cable sheath, it could have been far far worse. I removed the entire cruise control assembly (I did keep the transducer in place but I have unplugged it) and capped the vacuum supply to the diaphragm. I no longer have an intermittent CEL, my charging system isn't dropping voltage anymore and my go pedal isn't being stopped from operating.

Moral of the story: If you have an 82 with cruise control, check your cruise control cable to the throttle bodies for damage and contact with your alternator".

...X...No Start Condition...http://forums.corvetteforum.com/c3-t...post1586650010
...Y...CFI coil wiring question....http://forums.corvetteforum.com/c3-t...-question.html
...Z...CFI TB bore question....http://forums.corvetteforum.com/c3-t...-question.html
...AA...82 Center Console concern and diagram http://forums.corvetteforum.com/c3-t...r-console.html
...BB...82 u-joint(s) question....http://forums.corvetteforum.com/c3-t...post1586931701
...CC...82 ECM question and No Start Condition http://forums.corvetteforum.com/c3-t...post1586931807
...DD...Shock(s) Recommendations for the 82 http://forums.corvetteforum.com/c3-t...crossfire.html
...EE...82 Fuel Pump replacement wiring http://forums.corvetteforum.com/c3-t...-question.html
...FF...CFI Engine Rebuild in Progress http://forums.corvetteforum.com/c3-t...-renegade.html
...GG...1985-87-fuel-pump-into-an-82 http://forums.corvetteforum.com/c3-t...o-an-82-a.html
https://www.corvetteforum.com/forums...post1590288161
https://www.corvetteforum.com/forums...post1593143187
...HH...CFI Engine Rebuild with additions http://forums.corvetteforum.com/c3-t...e-rebuild.html
...II...82 CFI with aftermaket cam. http://forums.corvetteforum.com/c3-t...maket-cam.html
...JJ...85 or newer TPI Fuel Pump install with possible FP complication https://www.corvetteforum.com/forums...boom-help.html
...KK...
...LL...CFI TB wiring concern https://www.corvetteforum.com/forums...what-lost.html
...MM...CFI Cold Start-up Conditions https://www.corvetteforum.com/forums...d-startup.html
...NN...Coolant Temp Sensor (CTS) https://www.corvetteforum.com/forums...re-sensor.html
...OO...Electrical Connection Problem w/engine running https://www.corvetteforum.com/forums...t-2000rpm.html
...PP...Tach drops to "0" with engine running and shuts down https://www.corvetteforum.com/forums...ent-fault.html
...QQ...Crossfire Alternative!!!https://www.corvetteforum.com/forums...ternative.html
...RR...Directions for Fuel Pump Replacement https://www.corvetteforum.com/forums...post1590197688
...SS...TB's Dumping Fuel https://www.corvetteforum.com/forums...ping-fuel.html
...TT...CFI intake mods....http://forums.corvetteforum.com/c3-g...re-intake.html
...UU...Fuel Pressure Gauge alternative....http://forums.corvetteforum.com/c3-g...ure-guage.html
...VV...1985 TPI Fuel Pump Replacement....http://forums.corvetteforum.com/c3-t...-w-1985-a.html
...WW...1982 U-Joint info....http://forums.corvetteforum.com/c3-t...thinkable.html



-------------------------------------------------------SECTION THREE--------------------------------------------------------

NO START CONDITION(S)
these are just the basics you should start with:
...1...check ECM for codes
...2...check battery, check all ground and electrical connections & charging system
...3...check tank for fuel
...4...listen for fuel pump to run for 2 seconds with key in the on position.... 4 & 5 should be done at the same time, as you want to make sure that the injectors do prime after the fuel pump turns on
...5...remove air cleaner and look for injectors to prime after fuel pump turns on
...6...if injectors don't prime, check fuse panel for the two 3 amp injector fuses to see if blown or fuse panel corrosion
...7...remove gas door to access fuel pump and make sure the small rubber hose from the pump to the fuel line is secured and not deteriorated, (you will have to remove pump to check) as if it is not the proper type of "fuel rated hose", just sitting in the gas will destroy it by making it soft and crack open, thus making fuel delivery and pressure practically non-exsistent. Replace with "fuel rated hose" if necessary. Also check hose(s) and wire connections at the top of the pump assembly, replace (again with "fuel rated hose") & repair as neccessary
...8...check and or change fuel filter ...ACDelco part# GF482
...9...check FP (Fuel Pressure) for proper psi, should be at least 13 psi for our engines, best place to check is between the TB's. but you can also check at the fuel filter. Also it is possible that your Fuel Pump may be old and not working correctly, which cannot only cause fuel starvation problems, which in turn leads to other idling and driveability problems as well. It has been recommended that if you have to change out the Fuel Pump, to replace it with a 1985 Corvette TPI model, as it flows more pressure. Even a new 82 replacement would be better than your worn out pump.
...10...check oil pressure switch, needs 4 psi to provide power to the pump during start-up
...11...check CTS (Coolant Temperature Sensor) for proper operation, it is located at the right front of the block (passenger side) just underneath the A.I.R (Air Pump Assembly) as this may contribute to a no-start or hard-starting condition.
...12...check 20 amp ECM fuse near battery, take fuse out, make sure there is no corrosion in the connection, also check ECM connections for any type of corrosion, etc..R&R if necessary
...13...when checking ECM connections, make sure connection is tight, if not make sure pins are aligned correctly and reattach
...14...check distributor cap, rotor, coil and ignition module. Make sure all electrical connections to the distributor are in place and secure. Ignition module needs a coating of silicone grease or thermal compound between the bottom of the module and the plate it attaches to, as if it is dry, the module will eventually fry and leave you stranded
...15...check all ignition wires (spark plug wires) for breaks in the wire and secure connection to the spark plugs
...16...pull spark plugs to check for fouling conditions and if fouled, replace all spark plugs rather than just the fouling one(s)
...17...check neutral safety switch for proper operation, your vehicle should only start in the "PARK" (P), or "NEUTRAL" (N) position for the auto trans only '82


-------------------------------------------------------SECTION FOUR---------------------------------------------------------

IDLING CONDITIONS
Idling for our engine @ factory specs is 450 rpm's in "Drive", that may be to low for some of us to live with. Most of us have the idle set @ 650 in "Drive". Adjusting the Idle will be covered under that heading.
in addition to above basics of "NO START CONDITION", which you should read first, you should also check the following:
...1...check all vacuum hoses for rotting, which will cause vacuum leaks, replace as necessary
...2...check all manifold & TB bolts for tightness and secure if necessary
...3...check timing and adjust as necessary
...4...check and or replace top gasket between top & bottom manifold if deteriorating, as this is a main source of vacuum leaks...Fel Pro offers a good gasket kit MS 91440 for replacement, which includes said gasket
...5...remove air cleaner and look for an umbrella type spray coming out of the injectors, not dripping. Make sure both throttle plates open and close at exactly the same time and angle
...6...if injectors are not spraying properly, then they need to be either cleaned, rebuilt and or replaced. Or there may be a Fuel Pressure and or clogged Fuel Filter problem.
...7...check TPS (Throttle Position Sensor) for proper setting, which is: .525 volts +/- .075 volts
...8...check IAC's (Idle Air Controls) for proper function,(there is one on each TB (Throttle Body)) ...when cleaning or replacing the IAC's and reinstallation, you may notice idle is higher then what it should be, they need to be reset and you accomplish that by taking a drive for about 10 miles above 30 mph, as this will reset them, and should bring the idle to normal
...9...check all of your exhaust manifold bolts, as I have had a number of them that were loose and backed out from the manifold, this type of leak(s) can also produce a "ticking", or "pinging" type sound @ idle and throughout the lower or part throttle RPM range.
...10...The 700R4 has a torque converter lock-up solenoid. When these go bad the symptoms are the same as a flaw in the ignition or fuel delivery. The idle can be rough and the car could be almost impossible to drive. The ECM does not show a code until it fails completely.
...11..if you experienced a very fast cold start idle (1500 rpm's and above, some owners have had cold start idles' as high as 2500 rpm's and higher), be sure to check all of the above, especially for vacuum leaks and possibly the timing to help correct the problem. Will have to check the Shop Manual for proper specs. Mine starts at about 900 to 1000 rpm's during a cold start-up, and goes up to 1300-1500 rpm's (depending on outside temps) and within 3 to 4 minutes gradually comes down to normal, while warming up, not driving. In extreme cold weather, the warm-up may take longer.



-------------------------------------------------------SECTION FIVE----------------------------------------------------------

PERFORMANCE ENHANCEMENT 383 CI ENGINE BUILD by Buccaneer 8/20/2017
...1...https://www.corvetteforum.com/forums...cfi-build.html



-------------------------------------------------------SECTION SIX-----------------------------------------------------------

MODS FOR PERFORMANCE ENHANCEMENTS WITH A STOCK OR SLIGHTLY MODIFIED ENGINE
in this section we will cover references for upgrades to the CFI and related engine enhancements. Also refer to the WEB SITES SECTION above, as they list other sources of information that have excellent sections on this topic.
...1...INTAKE MOD...http://forums.corvetteforum.com/c3-g...re-intake.html ....also listed in the WEB SITES SECTION under H
...2...K&N Air Filter for those interested in something more than a stock filter...you can purchase them at a number of retailers, used the one below for reference.
http://shop.advanceautoparts.com/web...erm=air+filter
...3...FUEL PRESSURE GAUGE an alternative placement for an inline gauge....
http://forums.corvetteforum.com/c3-g...ure-guage.html
also listed in the WEB SITES SECTION under J
...4...FUEL PUMP when it comes time to replace yours, consider using the 85-87 Corvette TPI FUEL PUMP, as it increases fuel pressure in a more acceptable higher psi range (around 15 psi) which really enhances the performance of the CFI.
http://forums.corvetteforum.com/c3-t...-w-1985-a.html [/B] also listed in the WEB SITES SECTION under M
...following info regarding the difference between the stock 82 CFI FUEL PUMP and the 85 TPI FUEL PUMP
"Even an 82 replacement pump comes with the new connector. Its the same connector that's on the 85 pump. So there is a bit of wiring involved on both.
Difference?
...82 pump pushes volume of 9-13 psi. The engine likes around 12. The pressure is set by the regulator spring in the driver side TBI. Under load (or as the pump weakens) the volume starts to drop, fuel supply is not enough to keep up with the RPM's. Once it drops below 9 psi the motor starts to hesitate and loss power at higher RPM.
...The 85 pump pushes volume at 40 psi. Well above the 12 psi the spring is set at. The spring will step down the volume to 12 easily. And because the 85 pump is so far above the 12 your TBI's will always get 12. A weakening 85 pump has a long way to go before it can not deliver enough. The other advantage is you can pop the cap on the regulator spring and dial it up a bit. Some have gone as high as 14-15 psi."
...5...HyperTech "PROM" info, part #'s and other accessories for the 82 L83 CFI. Increased performance & driveability over the stock "PROM", along with the Trans Converter lockup activivating over 43 mph.
http://www.hypertech-inc.com/products-results.aspx you may have to type in 1982 Corvette as sometimes their web site does not hold vehicle info in the link provided
...6...Crossfire upgrade as listed under WEB SITES under L http://www.corvettefever.com/howto/51218/



--------------------------------------------------------SECTION SEVEN------------------------------------------------------

CROSSFIRE (TB) Rebuilding Service
another member has notified me of a vendor who will rebuild the CFI Throttle Bodies if you need that service. I am not posting that info here, but will PM it to you upon request. Another plus for any of us that could use that service, insuring that we can keep our CROSSFIRE"S running forever....



700r4 TRANS
in this section will be info on the 700r4
...1...700r4 upgrade....http://www.corvettefever.com/howto/4686/
...2...Torque converter lock-up solenoid...refer to #10 under IDLING CONDITIONS



PART #'s
or their equivalents....
in this section will be listed various part #'s that are specific to the 82 CFI. The part #'s that are shown are not the full representation of what is available through many of the auto parts outlets. Rather, it is just to give you an idea of what you may be able to purchase quickly and locally in your area. Of course the various retail outlet web sites (which includes our vendors) will be of tremendous help in locating a specific part when needed.

Fuel Filter
...ACDelco part# GF482
...Purolator part# F33165
...Fram part# G3870


Fuel Pump...
...ACDelco part# EP241/GM#25116163...85 TPI Unit...this may be the "low pressure TPI Fuel Pump referred to under
"EE"in the above"HEADING"
...1982 & 84 OWNER(S) THREADS & POSTS THAT LED OR MAY LEAD TO A SOLUTION(S) FOR A POSTED PROBLEM(S)[/B

...ACDelco part# EP381 high volume 60 psi 155 LPH (liter per hour) Pressure
...this may be the pump that was refrerred to and used in the above section under "JJ", and possibly causing the diaphragm to fail
..side note....do your research first before deciding which pump upgrade you intend to install, it may be possible that the
EP381 pump might be to "strong" for the CFI engine, research and ask questions......



Air Filter(s)
...AC part# A824C
...Purolator part# A33382
...K&N part# E-1117
...WIX part# 46041


U-Joint(s) HALFSHAFT(S)
...MOOG (made in USA) non-greasable solids part #231....Halfshaft.... 1 3/16" (1.188") cap size......3 5/8" (3.625") length
...Spicer part #5-1350X.....Halfshaft non-greasable....1 3/16" (1.188") cap size......3 5/8" (3.625") length

U-Joint(s) DRIVESHAFT
...MOOG (made in USA) non-greasable solids part #254....Driveshaft... 1 1/16" (1.062") cap size......3 5/16" (3.312") length
...Spicer part #5-1310X non-greasable 1 1/16" (1.062") cap size......(3.219") length
Although there is a slight difference with the Length of the MOOG & Spicer Driveshaft joints.....3.312" compared to 3.219" a difference of 0.093", I would imagine that would not be a problem using either joint
...NAPA part# PUJ 354 (w/ 1 1/16" cap size)
...AUTOZONE DURALAST part# 1-0153DG to use in an emergency as these are 1/32" shorter in length, but same cap diameter, and made in China
...MasterPro part #380. greaseable

Crankcase Ventilation Filter...(goes in front RS of Air Cleaner)
...AC FB84


Oil Filter
...AC PF25
...old style long filter...
...AC PF1218 ...new part # long style
...WIX 51069...long style

Oxygen Sensor
...AC AFS9P
...BOSCH #11027 UNIVERSAL FIT NON-HEATED
...BOSCH #12014 DIRECT FIT NON-HEATED
...WALKER #AFS74 3-wire HEATED


Radiator Cap
...AC RC-27


PCV Valve
...AC CV853C


Distributor Parts
...PerTronix ignition coil (red & white wire) # D3001
...PerTronix ignition module (7 pin) # D2002
...GM ignition module part # 1976908


Spark Plugs
...AC R-45TS...gap .045


Spark Plug Wires
...Delco 608D...direct replacement set (black)
...Delco 9088S...generic set (black)
...original sets were 8MM and gray in color and marked "Packard Delcore Electronic Suppression"
...GM #'s
...#1 cylinder...42" long...part#12036915
...#2 & #3 cylinders...50" long...part#12036917
...#4 cylinder...40" long...part#12036914
...#7 & #8 cylinders...22" long...part#12036908


Intake Manifold Gasket Set
...Fel Pro....MS 91440
...Victor.... MS15315BF

Gasket set: Timing Cover
...FEL PRO...FEL-TCS45121


Balancer: Harmonic
...Dorman...RNB-594-012


Timing Set: Single Roller
...Sealed Power...SLP-KT-3499S


PROM CHIPS
...GM Service Prom 1226096

...HYPERTECH...taken directly from their web site, as the above link just takes you to a non information page
...Part #11721, Street Runner For 1982 Corvette 350 CF Automatic Transmission
...Premium Octane
...Automatic

...Part #11722, Thermo Master For 1982 Corvette 350 CF Automatic Transmission
...Premium Octane
...Automatic
...Cooling Fans 160 degrees (if equipped with electirc cooling fans)

...Part #152801, Street Runner For 1982 Corvette 350 CF Automatic Transmission (California Emissions)
...Premium Octane
...Automatic
...California

...Part #152802, Thermo Master For 1982 Corvette Ca 350 CF Automatic Transmission (California Emissions)
...Premium Octane
...Automatic
...California
...Cooling Fans 160 degrees (if equipped with electirc cooling fans)




-------------------------------------------------------SECTION EIGHT--------------------------------------------------------

TECHNICAL SERVICE BULLETIN(s) (TSB's
this section will contain any TSB's issued by Chevrolet for the '82

1982: Service Bulletin: Spark Plug Fouling/Driveability Improvements
Subject: SPARK PLUG FOULING/DRIVEABILITY IMPROVEMENTS - 1982 CORVETTE WITH FEDERAL EMISSIONS
Model and Year: 1982 Corvette with Federal Emissions
Source: Chevrolet Dealer Service Technical Bulletin
Bulletin Number: 82-T-101
Number: VIt
Section: Aug., 1982

TO: ALL CHEVROLET DEALERS

A new PROM has been released for the 1982 Corvette to reduce the possibility of spark plug fouling and to enhance driveability. This new PROM leans the fuel calibration during cold engine operation and unlocks the torque converter at a lower throttle opening.
NEW
ECM 16029531
PROM Identification 391A36
Service Prom 1226096

side note... Hypertech claims to have the updates included along with their changes, for what its worth.



-------------------------------------------------------SECTION NINE---------------------------------------------------------

MISCELLANEOUS SECTION...
in this section will be listed suggestions, submitted by members and or repairs not only pertaining the the 82, but can be related for all C3's where applicable.
...1...short antenna alternative
http://forums.corvetteforum.com/c3-g...the-fritz.html
...2...removing the CFI induction system and replacing with a Carb. info coming soon
...3...Fuel Pressure Regulator Spring by stretching the stock spring 3/4" you can increase your Fuel Pressure up to about 14-15 psi. There is also a FP Spring available from a vendor that will also increase your FP in the range of 13-20 psi.
...4...stock ECM will support the 80lb/hr injectors....w/the stock injectors they will take up to 20-22psi before they reach their duty/cycle limit



-------------------------------------------------------SECTION TEN----------------------------------------------------------

QUESTIONS & HOW TO's
in this section we will address different questions & answers by 1982 owners concerning information about mods that are more radical than a stock upgrade, such as larger injectors, wild cams, etc. Members can post questions either here in the thread or PM me as some owners have already done, and I will post them.
...1 when upgrading to larger injectors, will the ECM & PROM both need to be upgraded, in the sense that they would be customized for an altered application?
...what are the paraneters of the stock ECM?
answers
...1 partial answer in #4 MISCELLANEOUS SECTION above



-------------------------------------------------------SECTION ELEVEN------------------------------------------------------

82 OWNERS PICTURE SECTION
this section speaks for itself, pics of your 82...
Check out the New Thread started for the pics, link below....

http://forums.corvetteforum.com/c3-g...criptions.html

Last edited by SSROADSTER; 11-09-2017 at 12:51 AM.
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Old 03-03-2013, 02:33 PM   #2
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Nice! Great work!

Jim
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Old 03-03-2013, 02:36 PM   #3
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Excellent sticky!!!!

I might have missed it but the only think I would add is the Hyper tec ECM prome/chip. It makes a huge difference in drivability and performance!!! It also makes the transmission lock up converter (TCC) only activate over 43 mph so you don't feel harsh shifts or jerking at low speeds.
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Old 03-03-2013, 03:57 PM   #4
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Quote:
Originally Posted by jdp6000 View Post
Nice! Great work!

Jim
Thank you Jim, it is appreciated, but if it weren't for members like yourself and others, I would have not learned as much so quickly about the CFI and all the other items pertaining to the '82

Quote:
Originally Posted by hugie82 View Post
Excellent sticky!!!!


I might have missed it but the only think I would add is the Hyper tec ECM prome/chip. It makes a huge difference in drivability and performance!!! It also makes the transmission lock up converter (TCC) only activate over 43 mph so you don't feel harsh shifts or jerking at low speeds.
Thank you also "hugie82", the same applies to you from my reply above, and all of the members whom I have learned from, it's a great forum
You didn't miss it , because it's not there. This is why everyone is urged to contribute whatever they feel is needed to be added to the "sticky".
I will add the Hypertech info under the MODS FOR STOCK & PERFORMANCE ENHANCEMENTS

added as #5 under above heading.

Last edited by SSROADSTER; 03-03-2013 at 04:24 PM.
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Old 03-03-2013, 05:45 PM   #5
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all links are now operational, and some new ones added......
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Old 03-03-2013, 10:10 PM   #6
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I have heard pro and con on the CORVETTE STREET RUNNER POWER CHIP, WITH AUTOMATIC TRANSMISSION, HYPERTECH, 1982. Do we have a definitive answer as to the value of this chip replacement over stock? Is there a downside to this replacement chip and is the value ($139) give a return?
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Old 03-04-2013, 11:48 AM   #7
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[QUOTE=scorpion18z;1583270165]I have heard pro and con on the CORVETTE STREET RUNNER POWER CHIP, WITH AUTOMATIC TRANSMISSION, HYPERTECH, 1982. Do we have a definitive answer as to the value of this chip replacement over stock? Is there a downside to this replacement chip and is
the value ($139) give a return?[/QUOT

We need some opinions from owners who have used
or are using that "chip" now. I know "hugie82" has
had positive results from using it.
I purchased a used "chip" from another member who
no longer has an '82. He stated it was ok, but felt the
real improvement was @ WOT. I have not installed it yet,
but will probably do so soon.
From my own experience using Hypertech and JET
"chips" in the past in FBody vehicles, I have had
nothing but positive results throughout the entire
"rpm" range in those cars. I think your own vehicle
has to be in a good state of tune for you to realize the
added power that they advertise. As far as the price
and return on investment, that would be something
you would have to decide yourself. At the $139 cost, I
wasn't thinking about buying one, but when I could
buy for less, I bought it.

Last edited by SSROADSTER; 03-04-2013 at 07:08 PM.
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Old 03-04-2013, 01:17 PM   #8
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Chip is only $109 at a major racing parts supplier online. Shop around. I would buy a factory chip but cant get them anywhere I look for decent price. So in my case the Hypertech is winning.
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Old 03-05-2013, 12:25 PM   #9
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Quote:
Originally Posted by Arkyvette View Post
Chip is only $109 at a major racing parts supplier online. Shop around. I would buy a factory chip but cant get them anywhere I look for decent price. So in my case the Hypertech is winning.
Here is something I found...The info may be too old to be useful, BWTH!

1982: Service Bulletin: Spark Plug Fouling/Driveability Improvements
Subject: SPARK PLUG FOULING/DRIVEABILITY IMPROVEMENTS - 1982 CORVETTE WITH FEDERAL EMISSIONS
Model and Year: 1982 Corvette with Federal Emissions
Source: Chevrolet Dealer Service Technical Bulletin
Bulletin Number: 82-T-101
Number: VIt
Section: Aug., 1982

TO: ALL CHEVROLET DEALERS

A new PROM has been released for the 1982 Corvette to reduce the possibility of spark plug fouling and to enhance driveability. This new PROM leans the fuel calibration during cold engine operation and unlocks the torque converter at a lower throttle opening.
NEW
ECM 16029531
PROM Identification 391A36
Service Prom 1226096
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Old 03-05-2013, 01:19 PM   #10
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Hypertech claims to have the updates included along with their changes, for what its worth.
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Old 03-05-2013, 07:15 PM   #11
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Quote:
Originally Posted by scorpion18z View Post
Here is something I found...The info may be too old to be useful, BWTH!
Quote:
Originally Posted by Arkyvette View Post
Hypertech claims to have the updates included along with their changes, for what its worth.
Thanks for the info, I added both items in the "sticky"
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Old 03-05-2013, 07:31 PM   #12
Tally Ho
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[QUOTE=SSROADSTER;1583273497]
Quote:
Originally Posted by scorpion18z View Post
I have heard pro and con on the CORVETTE STREET RUNNER POWER CHIP, WITH AUTOMATIC TRANSMISSION, HYPERTECH, 1982. Do we have a definitive answer as to the value of this chip replacement over stock? Is there a downside to this replacement chip and is
the value ($139) give a return?[/QUOT

We need some opinions from owners who have used
or are using that "chip" now. I know "hugie82" has
had positive results from using it.
I purchased a used "chip" from another member who
no longer has an '82. He stated it was ok, but felt the
real improvement was @ WOT. I have not installed it yet,
but will probably do so soon.
From my own experience using Hypertech and JET
"chips" in the past in FBody vehicles, I have had
nothing but positive results throughout the entire
"rpm" range in those cars. I think your own vehicle
has to be in a good state of tune for you to realize the
added power that they advertise. As far as the price
and return on investment, that would be something
you would have to decide yourself. At the $139 cost, I
wasn't thinking about buying one, but when I could
buy for less, I bought it.
I ran a Hypertech Stage 2 chip in my 82 CE. I installed it somewhere around 1987 and it still has it with the current owner. What I noticed was an increase in RPM's between shift points which allowed you to get to speed quicker.
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Old 03-05-2013, 08:38 PM   #13
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Quote:
Originally Posted by Tally Ho View Post

I ran a Hypertech Stage 2 chip in my 82 CE. I installed it somewhere around 1987 and it still has it with the current owner. What I noticed was an increase in RPM's between shift points which allowed you to get to speed quicker.
The one I purchased is the "Street Runner", I want to make sure I have all vacuum issues corrected before installation.

And I added the info you provided for the trans lock-up.
Thanks again..............Tom
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Old 03-05-2013, 08:47 PM   #14
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Keep checking the "sticky" as new info is added just about everyday from members who post or PM info to me....

thanks as always.....
we are putting together a great "sticky"
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Old 03-06-2013, 08:39 PM   #15
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Some members have PM'ed me about listing different items and a new section is now added: QUESTIONS & HOW TO's list whatever questions you have (keep specific to the differences of the 82 in this section) and they will be added and answers posted as received.
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Old 03-07-2013, 01:56 AM   #16
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I have also added the stage tow chip two both my wife's and son's 82s. They both seems to feel an improvement overall. They have been in for several years with no problems. Thanks for the great work.


Last edited by vetteguy22; 04-17-2013 at 12:58 AM. Reason: Add pic
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Old 03-07-2013, 08:33 PM   #17
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Quote:
Originally Posted by vetteguy22 View Post
I have also added the stage tow chip two both my wife's and son's 82s. They both seems to feel an improvement overall. They have been in for several years with no problems. Thanks for the great work.
Thanks....appreciated....
what colors are your 2 82's? post some pics.....


The first question has been posted in the
QUESTIONS & HOW TO SECTION........any answers provided, I will post in that section.....................Thanks...... ...Tom
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Old 03-17-2013, 06:38 PM   #18
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some minor upgrades and additions added.....
contributions welcomed anytime, just let me know what other info you would like to add.........................thanks....To m
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Old 03-24-2013, 01:06 PM   #19
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Default My hats off to you Tom...........>

Quote:
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some minor upgrades and additions added.....
contributions welcomed anytime, just let me know what other info you would like to add.........................thanks....To m
The crossfire got a bad rap..........>and it seems in some ways its still going on? The absolute worst problem is the 82 in-tank pump I would suggest the very 1st mod being re-placing that with the 85-87 pump. I have a friend that hot-rods these cars and he strapped a gauge to his windshield of one of his crossfire cars and as the revvs increased the f/p dropped above 4000rpms the gauge was down to 6psi! and further increase in rpms the f/p dropped even more-like 4psi above 5000rpms. By just replacing the pump your 82 will run with the earlier TPI C-4's as those earlier C-4s were no rockets either. Similar problem in the 86-87 T/Regals>low f/p from a inadequate factory pump. You rock Tom!
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Old 04-01-2013, 07:42 PM   #20
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minor updates added..........
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