C4 Tech/Performance - CorvetteForum - Chevrolet Corvette Forum Discussion

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<*> The Official DIY, Tech Tips, FAQ and where did my sticky go?? Thread UPDATED!!

pewter99 on 04-19-2011

11-04-2023 11:41 AM
by HudsonFruechting

19

83,622

Normal Threads

1985, 1991, 350, 89, c4, chevy, corvette, data, distributor, drive, fix, gear, main, oem, piece, rear, removal, seal, specs, technical, wheel

C4 Technical Summary and FAQ - Please Read on a Regular Basis.

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1 2 3 ... Last Page)

bogus on 11-25-2004

07-01-2021 09:14 PM
by JETS C3-C4

98

202,666

10, 10amp, 2006, 2amp, amp, amps, battery, car, charge, charging, corvette, dead, diference, difference, totally

Car battery charging - 10 amp or 2 amp?

byebyeL98 on 04-21-2007

06-05-2016 02:15 PM
by Joe C

10

182,883

1984, 4l60e, c2, c3, c4, control, conversion, corvette, covette, cruise, kit, lever, ls1, lt1, vette

C4 conversion to LS1 with 4L60E

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1 2 3 ... Last Page)

tmcorvette on 10-06-2005

08-08-2013 08:21 PM
by ch@0s

621

163,563

1994, 94, c6, corvette, hole, installation, leaking, meziere, opti, optispark, pump, removal, replacement, spark, vette, water, weep, write

Replacement Optispark and Water pump install - Part 1 (includes pictures)

(

1 2 3 ... Last Page)

LT1*C4 on 11-03-2009

07-17-2023 12:07 PM
by Whoad_way_down

167

152,583

1984, 1996, 2004, 85, adjust, adjustment, c5, corvette, idle, position, sensor, setting, speed, throttle, tps, voltage, wot

How to Adjust your Early C4 TPS and Idle Speed

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1 2 3 ... Last Page)

black85 on 06-24-2009

12-04-2022 04:39 PM
by jseremba

125

150,107

2004, battery, c4, code, computer, corvette, disconnect, disconnected, disconnecting, electrical, engine, long, lt1, pcm, replacement, reset

How long does the battery have to be disconnected to reset the Computer?

TrplBlk01 on 07-21-2002

07-22-2002 12:49 AM
by jfb

11

146,543

383, build, bypass, filter, installed, machine, oil, pics, picture, pwnage, pwnages, pwnahes, sbc, stock, valve, work

Pwnage's 383 Build (Pics!!)

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1 2 3 ... Last Page)

Pwnage1337 on 10-07-2010

12-31-2015 10:37 PM
by BLUE1972

592

141,523

1989, 1990, 88, abs, accelerometer, assist, brake, cadillac, corvette, fleetwood, j55, lateral, option, power, system, teves

Hard brake pedal solution, finally!!

(

1 2 3 ... Last Page)

Fastmax32168 on 07-27-2007

10-09-2012 08:54 PM
by JrRifleCoach

388

136,693

c4, conversion, corvette, corvettes, exhaust, l98, ls, ls6, lsx, manifolds, mrc24x, replace, swap, t56, vette

Replacing the L98 with an LSX ... My swap

(

1 2 3 ... Last Page)

ch@0s on 03-16-2011

03-17-2015 01:51 PM
by ch@0s

551

127,875

91, bar, brace, c4, corvette, coupe, dimensions, frame, hertz, ridgidity, rigidity, sections, specs, targa, torsional, truss, unibody

C4 FRAME TECH. Talk about frame specs and flex solutions...

(

1 2 3 ... Last Page)

Tom400CFI on 07-05-2010

05-01-2018 10:02 PM
by v8vette84

317

120,225

700r4, ball, big, bushing, check, diagram, disassembly, extension, housing, photo, pictures, pump, rebuild, remove, seal, spun, transmission, video

700R4 Transmission Rebuild (Lots of Pics Inside, Maybe Too Many for Dial-Up)

(

1 2 3 ... Last Page)

janarvae on 05-09-2008

01-11-2011 02:07 PM
by M. Schumacher

60

109,980

6.0 LS Swap/Build

(

1 2 3 ... Last Page)

Pwnage1337 on 11-25-2018

10-19-2019 10:41 AM
by OleDog

607

100,971

blazer, corvette, drill, drilled, drilling, hole, holes, miniram, purpose, short, thermastate, thermostat, viper, whats, zr1

What's the purpose behind drilling holes into your thermostat?

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1 2)

boonie on 07-02-2008

06-07-2019 04:24 PM
by Whaleman

29

99,610

adapter, bellhousing, c4, corvette, engine, list, ls, lsx, lszf6, parts, plate, quicktime, rm6039, swap, swapped, zf

LS1 swap with ZF6 - need parts list

(

1 2 3 ... Last Page)

ScaryFast on 08-14-2011

04-16-2024 03:31 PM
by coothethird

209

99,604

1032, 32, 732, 89, 8932, 932, depth, left, means, original, thread, tires, tread, wear, whats

Tires 7/32 8-9/32 ratio's of thread left, whats it mean

corvettedan22 on 01-25-2007

01-27-2007 03:03 PM
by CentralCoaster

9

99,591

44, axles, corvette, covette, d36, d44, dana, difference, differential, drag, end, horsepower, racing, rear, solid

Dana 36 & Dana 44 horsepower limits

(

1 2 3)

87 vette 81 big girl on 01-07-2009

03-25-2023 12:30 PM
by Sabre34

47

97,628

1995, 1997, bleed, c5, cap, coolant, corvette, drain, idle, lowering, lt1, overflow, plug, radiator, reservoir, run, tank

How do I properly bleed the coolant system on an LT1?

(

1 2)

StephensblackL98 on 01-01-2009

10-11-2016 09:24 PM
by Tom400CFI

35

96,685

Finally... Bluetooth for OBD1 and Android!

(

1 2 3 ... Last Page)

cousinit99 on 01-31-2014

08-11-2017 03:23 PM
by LDighera

62

96,676

1996, 84, c6, con, cons, corvette, forums, install, pro, pros, radiator, removal, restrictor, running, themostat, thermostat, water, z06

pros & cons of running no thermostat

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1 2)

Jarryd#29 on 01-23-2010

02-24-2011 12:25 AM
by 86PACER

28

95,410

350, blow, c4, corvette, engine, l98, manifold, miami, mods, motor, sale, stock, supercharged, tpi, tuneup

Best engine mods for a stock L98??

(

1 2 3 ... Last Page)

ZBrink on 05-09-2005

05-18-2005 11:07 AM
by Mad-Mic

91

93,342

237k, 50k, bypass, code, cutting, determine, determining, gm, key, keys, ohms, pot, resistance, vats, vehicle

VATS - How do I determine my keycode without the Keys ?

(

1 2)

TripleBlack89 on 05-15-2003

03-07-2014 01:45 AM
by WVZR-1

35

93,103

bad, c4, capacitor, car, coil, control, corvette, distributor, failure, faulty, igniter, ignition, module, pickup, replaced, symptoms

Bad ignition module symptoms

(

1 2 3)

IslandVette808 on 07-21-2008

11-06-2010 08:34 PM
by oldalaskaman

58

93,003

1984, 1992, 79, amp, beam, build, c4, change, code, corvette, draw, headlight, kits, options, problems, sealed, wiring

C4 Corvette Headlight Options! A must read for C4 drivers.

(

1 2 3 ... Last Page)

Nathan Plemons on 04-14-2011

08-30-2020 02:02 AM
by MADVILLAIN_C4

73

90,035

approximate, compared, conversion, difference, differences, dynamometer, dyno, dynodynojet, dynojet, maustang, mustang, reading, tomustang, utah, vs

Conversion Factor from Mustang to DynoJet?

AKS Racing on 07-25-2006

07-26-2006 08:00 PM
by AKS Racing

5

88,029

Do I Need The Vacuum Line on The Fuel Pressure Regulator?

(

1 2)

Kubs on 06-29-2012

07-08-2012 01:57 AM
by Cliff Harris

20

87,445

1994, 2004, 90, 96, c4, change, changeoil, corvette, light, lite, oil, reset, resetting, set, shut

How to Reset The 90-96 Change Oil Light

(

1 2 3)

PLRX on 08-31-2011

06-09-2022 09:32 AM
by TorchRedlt4man

50

83,968

car, cylander, cylinder, fix, gas, happebs, heads, ring, ruin, seal, symptoms, wall, walls, wash, washed, washing

Washed Cylinder Walls Symptoms?

(

1 2)

Redeasysport on 05-20-2005

01-12-2016 11:27 PM
by Tom400CFI

25

83,267

1995, 1996, c4, control, controller, corvette, forum, hvac, leak, problems, problrm, programer, programmer, vacuum, vent

'96 HVAC Vent Control Problem

(

1 2 3 ... Last Page)

bvsmith on 10-02-2006

02-16-2024 12:02 PM
by silverfoxx

110

82,117

30, arm, bar, bushing, c4, corvette, front, install, knuckle, mm, prothane, rear, rebuild, stabilizer, suspension, upper

LT-4 Suspension Rebuild "LOTS of Pictures"

(

1 2 3 ... Last Page)

BlackHarleyMan on 06-07-2008

04-07-2018 09:40 PM
by Jaye Bass

159

81,401

069j, 92, c4, converter, corvette, difference, dyno, lock, locking, lockup, nonlockup, numbers, run, torque, track, won

Lock-up VS. Non Lock-up Torque Converter

(

1 2)

JFrreak on 01-19-2009

01-22-2009 06:19 PM
by mseven

23

81,247

1988, 1989, 84, bolt, c4, celica, corvette, fuel, gauge, install, orientation, repair, sending, sock, unit

Fuel Gauge Sending Unit Repair Tech Article.

(

1 2 3 ... Last Page)

Frizlefrak on 12-15-2006

01-01-2024 08:33 PM
by Wandern

69

81,128

assembly, bushing, c4, c5, c6, click, corvette, electrical, headlamp, headlight, lens, motor, remove, repair, repairs, replacement, short

headlight repair w/pic...

(

1 2 3 ... Last Page)

schrade on 10-27-2007

11-29-2014 04:36 PM
by salt6

138

80,926

396, block, build, combo, combonations, compression, gen1, good, height, motor, nitrous, piston, pistons, sbc, small, stroker

pros and cons of a 383 vs. a 396 sbc gen1 stroker

(

1 2)

slickfx3 on 01-14-2009

01-18-2009 10:18 AM
by Pete K

34

80,165

broom, broomstick, catalic, catalytic, catayltic, converter, gut, hollow, hollowed, hollowinf, inspection, pass, stick, texas, vehicle

Can you just "hollow out" a catalytic converter with a broomstick?

(

1 2)

gray84 on 02-15-2002

10-12-2015 12:25 PM
by 1963SS

37

79,613

1991, absolute, aluminum, chrome, clear, coated, coating, corvette, mirror, polished, polishes, powder, powdercoat

Can polished aluminum be protected to maintain it's appearance

(

1 2)

Paul in VA on 05-16-2012

05-18-2012 11:25 PM
by GREGGPENN

24

79,482

1984, 1993, acdelco, actuator, c3, corvette, d6395c, dimmer, housing, pins, pivot, rod, steering, switch, tilt

How I Fixed My Tilt Steering - A Pictorial

(

1 2 3 ... Last Page)

Gear Jammer on 02-21-2011

03-15-2017 11:24 PM
by PLRX

109

78,979

Carbotech brake pads coupon z28

(

1 2 3 ... Last Page)

Adam@Amp'dAutosport.com on 11-27-2014

02-05-2024 11:39 AM
by Adam@Amp'dAutosport.com

1,410

78,888

car, clicking, clicks, key, start, turned, wont

Crap!! car won't start...it's clicking at me even when key is out.

Crispyc21 on 03-14-2003

03-15-2003 03:52 PM
by Crispyc21

8

78,283

based, bushing, bushings, c5, conversion, correct, dont, grease, lube, lubricant, lubrication, petroleum, poly, polyeretane, polyurethane, requires, synthetic

Correct Poly Bushing Lube ?

C4boy on 06-05-2011

03-31-2012 11:27 PM
by mcm95403

17

76,998

C4 Corvette LS/ 6-speed swap

(

1 2 3 ... Last Page)

DMITTZ on 01-07-2020

04-22-2021 11:16 AM
by DMITTZ

473

75,981

1990, black, bolts, c4, cap, corvette, diagram, disconnect, distributor, firing, order, tan, timing, tpi, wire

TPI firing order

superspeeder on 03-22-2009

03-23-2009 08:07 PM
by Iroc57

14

74,079

california, car, florida, il, makes, motor, ohio, oil, region, super, supertech, syntech, tech, teck, walmart

Who makes Wal Mart (SUPER TECH) motor oil?

montie98 on 08-10-2003

08-11-2003 10:07 PM
by Gar

14

73,825

bend, bends, custom, factory, fit, formed, high, hose, hoses, make, making, mold, preform, pressure, rubber

How do I make custom-formed rubber hoses?

CentralCoaster on 04-03-2004

04-04-2004 01:28 PM
by smar

8

72,703

Supercharging an LT1 Corvette

(

1 2 3 ... Last Page)

LT1*C4 on 11-11-2012

03-08-2017 05:11 PM
by STEVEN13

69

72,558

adapter, axle, c3, c4, c5, conversion, corvette, end, inch, kit, rear, rossler, solid, straight, tailshaft

Feast your eyes upon the finished product - SOLID AXLE CONVERSION KITS

(

1 2 3 ... Last Page)

ski_dwn_it on 02-12-2008

11-22-2010 12:05 AM
by tachout

120

72,518

bad, batterty, battery, cables, car, charge, charging, connected, corvette, cwn, disconnecting, engine, recharge, safe, vehicle, z06

Is it bad to charge the car battery while it's still connected?

TrplBlk01 on 06-29-2002

06-30-2002 11:36 AM
by oldjoe

7

72,088

autozone, battery, booster, duralast, duralastparts, gold, good, joint, lifetime, pack, parts, stock, vendor, warranty, wiper

Are Duralast parts form Autozone a smart way to go?

(

1 2)

blackvett09 on 03-22-2009

03-25-2009 12:59 AM
by hman1987

25

71,015

1992, buy, chandler, cms, corvette, delco, loctite, lti, motorsports, msd, opti, optispark, prices, spark, warranty

Final word on best opti spark to buy

(

1 2 3 ... Last Page)

mfi on 07-13-2011

11-01-2013 07:41 PM
by Scootin_Z

108

70,488

98, ats, corvette, diference, difference, engine, engines, hp, l98, lt1, mn, optispark, reliable, sale, wisc

Difference between an LT1 & L98?

(

1 2 3)

MeanMachine350 on 06-20-2011

08-26-2022 03:28 AM
by convas

57

69,793

041, 186, 350, 882, corvette, cracking, heads, hot, pin, polished, port, rocker, run, studs, whats

882 Heads - What's the Story?

Jansenwins on 06-07-2006

06-07-2006 08:34 PM
by torkman15

12

69,674

67cc, 84, air, corvette, crossfire, dart, easy, engine, flow, gaining, horsepower, hp, l83, numbers, ss, ways

Want 300 hp out of 1984 Corvette! Need help!

(

1 2 3 ... Last Page)

HughG on 03-15-2010

04-02-2019 11:57 PM
by 84lover

61

69,510

arms, cam, camshaft, exhaust, flat, lobe, lobes, rocker, signs, symptom, symptoms, symtoms, syptoms, wear, worn

What are the symptoms of a worn cam lobe?

cumbercr on 11-26-2010

11-28-2010 01:55 AM
by mike100

11

69,496

383, 396, assembly, build, building, built, cheaper, chevy, forged, knock, lt1, machining, piston, rotating, stroker

A well Built 396 Lt1 vs. a well built 383 Lt1

(

1 2)

JimiHendrix on 07-21-2008

07-16-2011 01:23 PM
by PLRX

33

68,581

add, bad, car, corvette, distilled, dont, engine, low, putting, radiator, radiators, regular, tap, tapwater, water

Is using tap water in the radiator bad?

(

1 2)

Golden80 on 05-11-2005

05-13-2005 03:05 PM
by rocco16

21

67,704

1994, 30, 5w, corvette, engine, experimenting, grades, lt1, lti, oil, pressure, put, stock, thin, viscosity, weight, what, wieght, zr1

What weight oil do you guys like for the LT1?

(

1 2 3)

Sworn on 08-21-2011

08-16-2018 03:22 PM
by Tom400CFI

58

66,119

2, autozone, band, butt, cement, clamp, clamps, cutter, exhaust, fix, good, leak, leaks, napa, pipe, ubolt

Anybody have any secrets to fix leaks around exhaust band clamps?

tarheelracer on 10-06-2006

10-08-2006 02:55 PM
by lefoy84

14

65,830

Pressure build up in gas tank---normal?

(

1 2 3 ... Last Page)

1fatcat on 07-30-2012

04-25-2020 07:07 PM
by rollin18

90

65,146

383, 7733, building, corvette, fel, gasket, gore, graycar, greg, head, heads, l98, mike, photos, pro, tolerances, work

Pete K is building me a 383..Build w/photos..

(

1 2 3 ... Last Page)

WW7 on 12-19-2009

02-17-2011 08:40 PM
by engine guy

359

65,132

axle, back, bars, built, c4, corvette, corvettes, halved, ladder, photos, pics, rear, solid, stared, straight, woohoo

Solid Rear project started! WOOHOO! Pics inside . . . .

(

1 2 3 ... Last Page)

DVNCI on 12-04-2007

11-30-2018 01:00 PM
by DVNCI

268

62,447

bad, blown, c4, car, corvette, determine, fusable, fuse, fuseable, fusible, inline, link, partially, plugs, put, replace, spark

How do I tell if a fusible link is bad ????????

Mark 84ltblu on 10-23-2001

10-24-2001 09:25 AM
by Mark 84ltblu

7

61,588

94 LT1 sudden no-start solved -- Ignition Control Module (Coil Control Module)

theadmiral94 on 10-20-2012

06-10-2020 03:09 PM
by jim lallone

8

61,564

add, c4, catalytic, converter, converters, corvette, horsepower, hp, increase, l98, lt1, remove, removing, restrictive, taking

How many horses do you get out of removing Catalytic Converter??

gray84 on 02-01-2002

02-03-2002 12:45 AM
by Beach Bum

14

61,485

Auto Shifter won't change gears/ shifter moves freely between gears but no result...

qwiketz on 09-19-2013

10-26-2013 08:41 PM
by qwiketz

18

61,333

LED headlights + Foglight solution

(

1 2 3 ... Last Page)

Circuit Doctor on 01-21-2015

04-02-2024 11:54 AM
by TorchTarga94

138

61,141

1989, 240, build, camshaft, corvette, custom, engine, flow, ground, high, hp, l98, runners, slp, zz9

L98 Engine Mods - What works?

(

1 2 3 ... Last Page)

Quinny on 07-12-2009

09-06-2022 08:28 PM
by ghoastrider1

99

61,075

1981, 1996, 96, c4, cool, core, corvette, ecp, ls1, radaitor, radiator, radiators, replacement, row, stock

Budget 2-row radiator comparison

(

1 2 3 ... Last Page)

GREGGPENN on 08-14-2011

05-13-2017 01:08 PM
by 86project

299

60,826

84, 8489, 89, analog, analogue, c4, cluster, converting, corvette, dash, digital, gage, gages, gauges, replace, vette

Analog gauges: Who has successfully converted their 84-89 C4?

(

1 2 3 ... Last Page)

hexane on 08-02-2007

04-09-2013 10:09 AM
by DanZ51

63

60,372

1996, 89, 94, black, c4, cal, corvette, cowl, hood, induction, panel, plenum, satin, scoop, scooped

C4 Cowl Induction Hood

(

1 2 3 ... Last Page)

tpi 421 vette on 04-13-2012

01-20-2024 05:18 PM
by James93LT1

86

59,552

520, bob, castrol, dino, gtx, guy, oil, oils, pennzoil, qs, quaker, regular, reviews, state, valvoline, vs

Castrol vs Quaker vs Pennzoil vs Valvoline vs etc... Which dino oil is best?

CentralCoaster on 05-17-2004

05-19-2004 08:34 PM
by Chevy Guy

16

59,263

1989, connections, corvette, emissions, explain, filter, fuel, higher, line, lines, lsx, pressure, purpose, return, system

can someone explain purpose of fuel return line ?

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1 2)

dizwiz24 on 06-23-2010

06-25-2010 01:42 PM
by GREGGPENN

22

59,065