86 - CorvetteForum - Chevrolet Corvette Forum Discussion

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1986, 86, c4, control, converter, convertor, corvette, indication, iroc, led, lock, lockup, manually, toque, torque, wiring

Manually controlling the lockup torque converter

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1 2)

jimtreber on Oct 19, 2003

Mar 27, 2026 07:00 AM
by young_dro420

33

7,778

C4 Tech/Performance

Dyno Numbers for 84 to 96 bone stock vette's?

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1 2)

JC'S01COBRA on Aug 15, 2002

Mar 9, 2026 08:32 AM
by 81c3

20

7,391

C4 Tech/Performance

84, 84corvette, 86, bypass, change, corvette, fuel, fuse, mesltef, pliv, pump, relay, test, vett, vette

how do I test relay/ where is fuel pump relay? '86

rithsleeper on May 15, 2009

Jan 31, 2026 02:51 PM
by Zeusnut4

8

4,919

C4 Tech/Performance

1986, 86, c4, corvette, fuel, gas, grade, octane, rating, recommended, required

1986, which octane????

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1 2)

jeremy carl on Apr 30, 2005

Apr 6, 2025 05:46 PM
by Cruisinfanatic

34

15,613

C4 Tech/Performance

1982, 84, 86, corect, correct, corvette, modify, posistion, position, sensor, sensorchevy, set, thorottle, throttle, tps, voltage

Need help on setting voltage for throttle position sensor (81)

RC81 on Oct 21, 2002

Mar 28, 2025 07:03 PM
by vettebuyer6369

10

5,272

C3 Tech/Performance

1986, 86, c4, car, corvette, empty, fuel, gas, gauge, guage, low, problem, pump, replace, running, working

86 Fuel Gauge - Low Fuel Warning

tdf on Oct 13, 2009

Jan 21, 2025 02:52 PM
by Zeusnut4

8

1,138

C4 General Discussion

1986, 34, 86, ar227sb, back, code, corvette, engine, mass, power, rough, running, shut, starter, stay, wont

1986 Won't stay running. Code 34.

sarcher on Mar 30, 2010

Dec 24, 2024 04:10 AM
by mikey999

16

7,434

C4 Tech/Performance

86, cap, corvette, distributor, distributur, set

cylinder 1 on my 86 distributor cap

tdr1919 on Feb 26, 2007

Sep 30, 2024 01:11 PM
by chris383

15

2,798

C4 Tech/Performance

010216, 120, 140, 1985, 86, alternator, amp, corvette, diagram, oreilly, regulator, replacing, ultima, upgrade, voltage, wiring

1985 alternator upgrade Question

SBNova on Sep 16, 2003

Sep 26, 2024 09:30 AM
by WVZR-1

9

7,711

C4 Tech/Performance

13, 86, 91, c3, check, code, codes, corvette, engine, light, low, pull, read, trouble, voltage

How to read 86 Vette engine light codes?

tjb101084 on May 29, 2010

Jun 14, 2024 04:13 PM
by 2011KLR

11

38,444

C4 Tech/Performance

1976, 1984, 86, c4, change, corvette, dash, fit, front, putting, size, sizes, speaker, speakers, specs

Speaker size for dash of C4

littleredcorvette86 on Dec 27, 2006

May 4, 2024 01:31 AM
by Rnroutlaw1

13

9,386

C4 General Discussion

84, 86, c4, change, changing, corvette, ion, rear, stud, studs, wheel

Anybody change a rear wheel stud on a early C-4??

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1 2)

Mr. Magoo on Oct 25, 2002

Apr 21, 2024 11:30 PM
by ultimate84

21

4,156

C4 Tech/Performance

1984, 1986, 1999, 86, chilton, corvette, diagram, distribution, ecm, ground, grounds, manuals, schematics, wire, wiring

Ground distribution diagram for an '86?

NONO5.0 on Dec 15, 2004

Apr 4, 2024 06:51 PM
by bballarin

13

8,775

C4 Tech/Performance

1991, 86, aldl, blown, c4, c6, connection, corvette, fuel, fuse, prime, pump, relay, test, testing

Testing Fuel Pump & Relay Questions

C4boy on Apr 6, 2010

Mar 31, 2024 10:54 PM
by altownsend

13

19,242

C4 Tech/Performance

1984, 20, 285x35x19, 84, 86, cohasset, corvette, fit, gregm99, mass, put, rims, torque, vette, z51

Got my new Rims on 20+ pics and video !!!

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1 2 3 ... Last Page)

corvettedan22 on Apr 3, 2007

Feb 27, 2024 02:22 PM
by rhallmcp

104

41,669

C4 General Discussion

1988, 1989, 1996, 86, convertible, corvette, decklid, fit, hard, hardtop, remove, retrofit, top, weight, year

How to retrofit a late convertible hardtop

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1 2)

corvetteronw on Jun 10, 2011

Feb 14, 2024 01:57 AM
by 3BallVinny

20

23,563

C4 Tech/Performance

1986, 84, 85, 86, adjust, adjustment, c4, cable, change, corvette, dentent, points, selfadjust, shift, throttle, tv

TV Cable Adjust

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1 2)

86PACER on Feb 12, 2009

Jan 3, 2024 04:02 PM
by 86PACER

20

19,115

C4 Tech/Performance

1989, 86, corvette, eratic, fluctuating, gm, hunting, hunts, idle, inconsistant, l98, ls1, multec, tps, unstable

Hunting, fluctuating, erratic idle

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1 2)

Jinxie on Sep 14, 2008

Oct 5, 2023 06:26 PM
by Sabre34

21

4,655

C4 Tech/Performance

1984, 1985, 86, black, c4, car, corvette, edition, gray, grey, pace, paint, sale, tone, top, years

Where are all the two tone C4's??

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1 2)

VtVette on May 26, 2006

Oct 4, 2023 11:02 PM
by My84isMeanToMe

36

21,466

C4 General Discussion

1986, 86, 92, 94, aldl, c4, connector, corvette, cover, hush, insulation, lh, mount, panel, seat

Need a picture of how ALDL connector attaches to hush panel

George Dickel on Mar 25, 2012

Sep 4, 2023 06:11 PM
by dotson83

13

4,699

C4 Tech/Performance

1985, 81, 86, acelerator, c4, corvette, gas, pedal, pedel, sticking, sticks

gas pedal sticking

ittybittyfds on May 31, 2007

May 29, 2023 12:29 PM
by AEQ

18

13,414

C4 Tech/Performance

1986, 86, block, c4, corvette, disable, egr, emissions, michigan, plate, prom, removal, remove, sensor, valve

1986 EGR Removal??

rrt898 on Oct 9, 2011

Apr 26, 2023 11:40 PM
by smitty1460

19

18,972

C4 Tech/Performance

1984, 1986, 1994, 2005, 86, box, c4, cabor, corvette, fiber, fuse, headlight, lighter, location, panel, radio

Fuse Box

Ryan.Ikeler on Apr 22, 2009

Apr 16, 2023 10:39 AM
by car addict

10

22,385

C4 General Discussion

1987, 86, brake, brakes, corvette, fine, floor, fluid, levels, pedal, pump, soft

Brakes go to floor - WHY?

Steve.in.Roanoke on Aug 20, 2010

Mar 20, 2023 05:34 PM
by RaguTom

17

4,808

C4 Tech/Performance

1988, 25083577, 86, 8688, 88, cluster, corvette, dash, digital, fit, instrument, panel, repair, sale, wichita

86 vs. 88 instrument cluster

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1 2)

quiksilver458 on Oct 15, 2002

Mar 15, 2023 06:56 PM
by hilighter2020

20

3,274

C4 Tech/Performance

1984, 86, 87, 89, 96, c4, c5, corvette, fit, greenwood, install, rims, sale, vette, wagon, wheels

C5 Wagon Wheels on a C4

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1 2 3)

bluesilver82 on Oct 18, 2011

Dec 13, 2022 01:16 PM
by vinco

43

25,511

C4 General Discussion

1989, 86, 88, 89, chevy, corvette, engin, engine, harness, tpi, vette, wire, wireing, wiring, zr1

What are the differences in 86,87,88,89 engine wiring harness?

corvette95 on Apr 17, 2011

Nov 15, 2022 08:02 AM
by davesly

10

4,892

C4 Tech/Performance

Hard Cold Start

tdf on Feb 6, 2007

Jul 12, 2022 12:40 PM
by Kuupertie

15

7,347

C4 Tech/Performance

1984, 85, 86, 87, c4, cam, cast, corvette, factory, head, heads, iron, l98, spec, specs, stock, upgrades

'86 L98 Stock cam specs

Five Window on Nov 26, 2002

Jan 4, 2022 07:46 PM
by mike1111

6

8,945

C4 Tech/Performance

1988, 86, 88, 91, check, checking, corvette, egnigtion, ignition, initial, line, mark, marks, picture, setting, timing, vette

How to check ignition timing on -88 vette ?

jutammel on May 11, 2004

Nov 17, 2021 05:48 PM
by Bobb#

18

17,198

C4 Tech/Performance

86, 89, access, actuator, blend, corvette, door, heat, located, location, mix, mod, olds, temp, vette

How to access the blend door on an 89? Heat only slightly warm.

twilightcall on Nov 5, 2005

Sep 18, 2021 01:00 PM
by Thinxman

14

7,164

C4 Tech/Performance

1988, 86, aluminum, bread, breadbox, c4, corvette, dash, delete, kit, lof, pad, parts, passenger, removal, removing

Removing bread box on an 86

jdenn47 on Feb 9, 2009

Aug 21, 2021 10:55 PM
by Patsgarage

16

6,943

C4 Tech/Performance

1984, 1986, 1988, 84, 86, c4, corvette, dvd, free, manual, online, owners, repair, service, shop

Free shop manual for 1986 Corvette

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1 2)

dbeall1968 on Mar 11, 2010

Jul 27, 2021 09:37 AM
by arbee

28

9,608

C4 General Discussion

1985, 85, 86, add, bolt, cheap, corvette, cutting, free, horsepower, horspower, increase, lid, ons, ways

Where to start for increased HP on an 85

Doo on Dec 28, 2003

Jul 2, 2021 02:46 PM
by sahhas

17

24,797

C4 Tech/Performance

1984, 1986, 700r4, 86, 87, corvette, difference, end, gear, light, speed, top, trans, transmission, upshift

Advise before I screw up again 700R4

Marv02 on Sep 12, 2010

Jun 21, 2021 12:23 PM
by Phobos84

18

26,275

C4 Tech/Performance

1987, 86, ause, control, corvette, fast, high, idle, idles, o2, problem, sensor, valve, vette, warmup

High idle problem on my 86

dzierke on Apr 11, 2005

Apr 30, 2021 09:56 PM
by aklim

17

9,181

C4 General Discussion

1986, 86, car, corvette, crank, engine, setting, spark, start, trans, turn, turns, weak, wont, years

86 cranks but won't turn over

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1 2)

bednak on Aug 7, 2010

Apr 17, 2021 10:27 PM
by Medicmark

21

13,212

C4 Tech/Performance

86, ac, air, belt, bypass, c6, coming, conditioning, corvette, eliminate, l98, pump, route, serpentine, shorter, size

A/C eliminate - belt length?

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1 2)

Z-PDX on Sep 28, 2004

Mar 24, 2021 05:32 AM
by Bill Chase

24

12,654

C4 Tech/Performance

1984, 86, advertising, aluminum, c4, collectible, corvette, cragar, crager, louvers, rear, sale, spoilersforlesscom, the13bats, the13batsaolcom

Cragar rear louvers needed...

The13Bats on Feb 3, 2010

Mar 16, 2021 02:28 AM
by Toboggan_Joe

11

4,297

C4 Parts for Sale/Wanted

1996, 86, correct, corvette, faceplate, gauge, read, scale, temp, temperature, voltage

Temperature Gauge

raiderz on Apr 4, 2011

Mar 3, 2021 11:04 AM
by Shrav

10

1,991

C4 Tech/Performance

1984, 1985, 86, 88, c4, c6, car, corvette, fit, needed, put, rim, rims, size, spacer, spacers, wheels

C6 RIMS fit a C4?

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1 2)

NTRBL33 on May 29, 2008

Jan 19, 2021 03:07 PM
by Sabre34

20

56,668

C4 General Discussion

1986, 1987, 86, c4, corvette, factory, oil, reccommened, recommendation, recommendations, recommended, shell, synthetic, viscosity, weight

oil recommendation for 1986 coupe

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1 2)

yankeefan121 on Aug 19, 2009

Jan 9, 2021 07:08 PM
by Sabre34

32

12,356

C4 General Discussion

18, 1986, 86, brown, corvette, medium, metallic, modified, strips, weater, wheels

F/S 1986 Corvette Coupe 4+3

86_Vette on Aug 5, 2007

Dec 14, 2020 07:59 PM
by Sabre34

12

2,784

C4s for Sale/Wanted

1985, 85, 86, corvette, factory, fuel, gas, injector, injectors, lbs, pounds, replace, size, stock, whats

What size injectors for a stock 85?

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1 2)

onetrackmind on Apr 20, 2006

Dec 2, 2020 02:30 AM
by VikingTrad3r

26

22,887

C4 Tech/Performance

85, 86, ac, blower, blowing, corvette, hard, hood, hvac, issues, motor, stopped, turned, vette, wiring, working

Heater blower motor not working properly 85 vette

gkrynick22 on Apr 19, 2011

Oct 21, 2020 08:18 AM
by Lowflyer281

12

11,380

C4 Tech/Performance

1989, 1994, 1998, 2001, 2002, 2005, 86, 96, c4, corvette, corvettes, fast, go, shut, speed

"How fast does it go?" :)

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1 2)

NoWorries on Apr 23, 2002

Oct 17, 2020 05:46 PM
by darrensls1

31

7,365

C4 General Discussion

2006, 22s, 84, 86, 90, back, c3, c5, camaro, corvette, coupe, fit, liberace, photo, vette

22's on a 86 coupe?? anyone done it yet?

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1 2 3 ... Last Page)

snoopdan on Dec 4, 2007

Oct 8, 2020 12:07 PM
by MatthewMiller

80

16,567

C4 General Discussion

1986, 86, c4, chevy, computer, connection, corvette, corvettet, ecm, located, location, removal, replace, replacement, wiring

1986 ECM location

rrwebster on Jun 27, 2010

Sep 12, 2020 07:22 AM
by Marauderprime

8

14,827

C4 Tech/Performance

1984, 84, 86, 88, c4, chain, control, controll, corvette, cruise, diagram, links, servo, switch, trans, vacumn

Need help with 1984 vette cruise control

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1 2)

84' vette on Dec 23, 2011

Sep 4, 2020 10:04 PM
by L&MGraves

25

9,875

C4 Tech/Performance

12346365, 12371339, 2000, 86, 86u, code, code86, color, corvette, magnetic, match, metallic, paint, red, wa

mag red vs mag red II

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1 2)

nmk on Mar 20, 2007

Aug 17, 2020 12:18 PM
by Vetteman Jack

38

8,893

C5 General

1982, 1986, 1987, 1988, 1996, 86, car, corvette, engine, idle, lt1, running, starts, stay, wont

Starts but won't idle or stay running

MrBold1 on Feb 27, 2011

Aug 7, 2020 07:52 AM
by Gradjl01

10

22,853

C4 Tech/Performance

1986, 86, 87, blink, cgeck, check, clear, code, corevette, corvette, engine, light, service, soon, vette

1986 Service Engine Soon Light

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1 2)

digits on Dec 19, 2006

Jul 19, 2020 09:46 AM
by coupeguy2001

25

19,526

C4 Tech/Performance

1984, 1994, 86, c4, corvette, dash, deck, din, double, fit, install, installing, mods, screen, stereo, touch

C4 Double Din install in my 86..Pics

raiderz on Mar 4, 2012

Apr 18, 2020 12:53 PM
by slothman

10

19,652

C4 General Discussion

2000, 86, 87, carbs, chevy, corvette, dual, fix, gas, hard, pedal, push, stiff, surburban, throttlle

Why is it so hard to push down the gas pedal?

Sal Collaziano on Apr 23, 2002

Apr 13, 2020 06:40 AM
by mazdaverx7

19

11,571

C4 General Discussion

1986, 1991, 86, 88, c4, cap, causing, coolant, corvette, forum, light, lights, low, radiator, sensor, vette

Low Coolant Light On

8valve on Jul 17, 2010

Mar 9, 2020 04:41 PM
by Vettefreak2383

9

9,569

C4 Tech/Performance

2005, 86, bleed, bleeding, brake, brakes, bubbles, c4, c6, cap, corvette, fluid, mc, puddling, tiny

Help!! Bleeding brakes

Z~max on Jul 16, 2009

Feb 16, 2020 05:19 PM
by jmgtp

15

3,562

C4 Tech/Performance

86, body, c4, c6, cheap, corvette, corvettec4bodykit19841996, corvettes, install, kit, kits, motorsports, stalker, upgrade, vette

C4 Body Kits

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1 2 3 ... Last Page)

Jagged on Jan 26, 2011

Jan 14, 2020 05:14 AM
by Z51JEFF

80

44,799

C4 General Discussion

1990, 86, air, corvette, delete, egr, emission, emissions, relays, removal, replacement, solonoid, switches, system, vette

Successful 86 Vette EGR/AIR/Emissions System Removal - For the curious.

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1 2)

Aopsahl7 on Jul 3, 2010

Jun 26, 2019 08:57 PM
by Richsc4

31

20,785

C4 Tech/Performance

1987, 84, 86, adjusting, adjustment, c4, c6, corvette, disconnected, position, replacement, sensor, symptom, throttle, tps

TPS symptoms

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1 2)

Benny771 on Sep 21, 2009

May 21, 2019 09:23 PM
by grantar2

24

25,644

C4 Tech/Performance

1986, 86, air, cleaning, code, connect, corvette, flow, lead, maf, mass, problem, sensor, trouble, wires

RE: MAF Sensor 1986 Corvette HELP!!

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1 2)

senorv47 on Aug 3, 2007

Mar 23, 2019 06:01 PM
by JackDidley

24

13,952

C4 Tech/Performance

1985, 1988, 43, 86, boot, button, chifter, corvette, instructions, knob, od, removal, remove, reremoval, shift, shifter

86 4+3 shift knob removal?

corvette1989bham on Dec 11, 2006

Dec 15, 2018 05:28 PM
by weightlossstar

9

7,451

C4 General Discussion

180, 86, chev, corvette, degree, degrees, dist, distributor, engine, induction, offf, points, timiing, timing, turned, v8

How can you tell if timing is off 180 degrees??

ill_driver on Oct 17, 2003

Jun 10, 2018 10:59 PM
by 7T1vette

15

103,852

C3 Tech/Performance

86, blow, bulbs, car, corvette, dash, digital, dynamite, electrical, ground, halogen, hole, hot, problems, vette

How much dynamite would it take to blow my 86 vette to pieces?

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1 2)

Jetts4u2 on Jun 3, 2003

Apr 22, 2018 02:35 PM
by 856SPEED

33

3,130

C4 Tech/Performance

10, 1986, 86, bose, corvette, fuse, noo, problems, radio, radios, replace, shooting, sound, stereo, trouble

radio problems 1986

walleyedan2 on Apr 17, 2010

Mar 21, 2018 11:41 AM
by Izzy Dizzy

13

11,448

C4 General Discussion

86, body, c5, camino, cost, coy, el, frame, gbody, pics, pictures, restoration, sale, wheels, z06

El Camino frame off restoration with a few goodies...

high pressure on Jun 12, 2010

Jan 20, 2018 06:38 PM
by Jason Samuelson

14

8,382

Other Cars

195, 1986, 86, c4, chevy, correct, corvette, normal, operating, running, temp, temperature, thermostat, vette, water

1986 Vette...Correct operating temp?

rods86vette on Aug 2, 2010

Dec 13, 2017 08:19 AM
by Cjunkie

17

17,903

C4 General Discussion

86, air, c4, c5, car, conditioning, defroster, fog, fogged, fogging, fogs, high, humidity, windshield, working

My windshield keeps fogging up??????

reyderz on Jul 2, 2003

Oct 22, 2017 09:10 AM
by Vetteman Jack

14

7,586

C5 Tech

17, 1990s, 42, 86, c4, corvette, driver, expensive, forum, high, insurance, lieability, massachusetts, yaer, year

Insurance...17 years old!

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1 2 3)

4thgenvetty35 on Apr 13, 2003

Oct 16, 2017 08:33 AM
by bac22

53

22,210

C4 General Discussion

1986, 1987, 1989, 86, 89, c4, cap, chevy, corvette, dash, dashpad, emove, pad, removal, remove

86 Upper Dash Pad Removal

rrt898 on Jun 2, 2011

Jun 9, 2017 01:12 AM
by Cliff Harris

12

19,099

C4 General Discussion

1987, 86, 94, ac, air, bolt, bottom, cheverolet, compressor, conditioning, corvette, head, punp, removal, removing, torx

86 AC Compressor removal?

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1 2)

pmihaltian on Aug 5, 2009

Jun 5, 2017 09:22 PM
by nevens

29

30,802

C4 Tech/Performance

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