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

pewter99 on Apr 19, 2011

Nov 4, 2023 11:41 AM
by HudsonFruechting

19

88,959

Normal Threads

1992 Corvette LT1 – Intermittent dash failure + no crank + runs on spray… need expert

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1 2)

Zeekster on Mar 27, 2026

Yesterday 11:42 PM
by IHBD

22

415

Another 4+3 to t56 swap in progress....

Design engnr on Yesterday

Yesterday 10:39 PM
by Design engnr

4

90

Radio static

BET VETTE on Yesterday

Yesterday 08:20 PM
by BET VETTE

3

56

headlights not working

antonellomopar on Mar 30, 2026

Yesterday 07:41 PM
by C4industries

5

120

1985 C4 Transmission swap from 4+3 to 5 speed question.

Wootie on Mar 26, 2026

Yesterday 07:04 PM
by ex-x-fire

5

235

Hood Vent Placement Discussion

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1 2)

AZSP33D on Nov 28, 2025

Yesterday 06:13 PM
by AZSP33D

24

1,108

Idling issue

Wrench1 on Mar 21, 2026

Yesterday 05:13 PM
by Wrench1

10

327

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Need4Sneed on Mar 4, 2026

Yesterday 02:33 PM
by Need4Sneed

17

753

Painted valve covers

Brandon Iron Smithe on Nov 24, 2024

Yesterday 11:25 AM
by Natty C

12

792

Idle surge and hesitation help!

NuToVettes on Mar 30, 2026

Yesterday 10:38 AM
by Tunedperformancedotorg

5

161

So ... I'm Building A Flow Bench

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1 2 3 ... Last Page)

SuperL98 on Oct 27, 2021

Yesterday 06:11 AM
by SuperL98

1,119

89,639

1989 6speed upgrade (TPI) intake manifold

Wandern on Mar 26, 2026

Mar 30, 2026 08:33 PM
by Wandern

14

371

Aftermarket Steering Columns

marshallnoise on Mar 24, 2026

Mar 30, 2026 07:15 PM
by marshallnoise

9

285

AC help needed***

ZR-1King on Mar 26, 2026

Mar 30, 2026 05:59 PM
by BET VETTE

3

241

Need sealant for leaky oil pressure sensor

dburgjohn on Mar 26, 2026

Mar 30, 2026 05:15 PM
by marshallnoise

4

240

Gutsiest Sounding Mufflers for 91 Corvette

TIMSPEED on Sep 28, 2001

Mar 30, 2026 04:04 PM
by steve40th

15

1,136

1993 Vibration, transmission.. 700R4

steve40th on Mar 14, 2026

Mar 30, 2026 03:38 PM
by steve40th

8

329

1987 not getting fuel pressure- possible ECM issue

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1 2)

Nocluewhatimdoing on Jan 28, 2026

Mar 30, 2026 03:30 PM
by Nocluewhatimdoing

23

1,054

200 cell CAT

the blur on Mar 30, 2026

Mar 30, 2026 10:28 AM
by the blur

0

77

Holley SBC Hi Ram hood clearance

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1 2)

Spsosicmcise on Mar 30, 2025

Mar 30, 2026 06:37 AM
by Spsosicmcise

23

2,726

2/4 shift issues and power reduction

Jake06 on Mar 26, 2026

Mar 29, 2026 08:41 PM
by Jake06

2

159

G201 - '90 base

cptcrusty1 on Mar 29, 2026

Mar 29, 2026 02:47 PM
by Natty C

2

143

1987 ECM Bracket Screw Size?

BlackOnyxC4 on Mar 28, 2026

Mar 29, 2026 11:48 AM
by WVZR-1

7

187

Let's try again - High RPM / High load misfire with P0300

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1 2 3)

rremesal on Aug 20, 2025

Mar 29, 2026 10:00 AM
by Tke431

48

2,002

Rod that connects from shifter to dash?

benc35 on Mar 21, 2026

Mar 29, 2026 09:26 AM
by VikingTrad3r

3

263

where do I buy a CCM for a 93' vette

senter9 on Jul 28, 2014

Mar 29, 2026 01:27 AM
by macroblock

6

2,961

Oil leak from the top

Cor29 on Mar 27, 2026

Mar 29, 2026 12:01 AM
by Natty C

4

185

ETC upgrade number clarification

wolf_walker on Mar 28, 2026

Mar 28, 2026 10:35 PM
by wolf_walker

0

85

Does anyone make a water tank that fits the location of the stock battery?

dizwiz24 on Mar 22, 2026

Mar 28, 2026 03:43 PM
by dizwiz24

6

414

built simple flow bench to test ported heads, intake manifold

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1 2 3 ... Last Page)

mike1111 on Sep 21, 2022

Mar 28, 2026 12:39 PM
by mike1111

284

20,723

C60 AC controller Vacuum source

Gale Banks 80' on Mar 27, 2026

Mar 28, 2026 11:56 AM
by Gale Banks 80'

2

149

angle spark plug style heads

Nilak on Mar 27, 2026

Mar 28, 2026 09:50 AM
by Nilak

4

206

Pop up headlights turn on left turn signal on 88

AlwaysJosephJ on Mar 20, 2026

Mar 28, 2026 04:10 AM
by Natty C

3

251

NEED photo from 1986 Electrical Diagnosis manual

scorp508 on Mar 26, 2026

Mar 28, 2026 03:24 AM
by Vets-Vet

10

284

Engine geometry question

Space387 on Mar 27, 2026

Mar 27, 2026 11:28 PM
by Space387

3

243

Corvette C4 1984 Aftermarket Antenna Relay Bypass Wiring

motipr1401 on Mar 27, 2026

Mar 27, 2026 10:02 PM
by kkupec02

3

137

Upper control arm bushing removal WITHOUT press

Abraxis on Dec 20, 2025

Mar 27, 2026 05:19 PM
by 2011KLR

2

422

85 fuel pump in my 84

mustangsmoker on Jun 28, 2012

Mar 27, 2026 04:06 PM
by 84lover

19

11,497

Power Effect Exhaust

BET VETTE on Mar 27, 2026

Mar 27, 2026 01:43 PM
by vader86

1

120

Rear window spoilers!!!

C4barnrescue on Mar 25, 2026

Mar 27, 2026 01:31 PM
by BET VETTE

7

433

My 2nd C4, from an 84 disaster- to a nice 85

EpicTech on Mar 27, 2026

Mar 27, 2026 11:32 AM
by EpicTech

0

181

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

C68 climate control running blower in defrost

PpStrangler on Mar 26, 2026

Mar 26, 2026 11:24 PM
by PpStrangler

2

127

Good PCM to buy

Jake06 on Mar 26, 2026

Mar 26, 2026 08:21 PM
by Jake06

0

135

How to make a regular 700r4 fit in a Corvette?

LovesJesus on Mar 23, 2026

Mar 26, 2026 12:11 PM
by arbee

7

386

Vats bypass

snackstick on Dec 30, 2025

Mar 26, 2026 09:22 AM
by snackstick

18

670

Power Effects Tunable Exhaust

MuttznMongrelz on Sep 8, 2018

Mar 26, 2026 08:15 AM
by BET VETTE

4

1,786

Power Effects tunable exhaust, any thoughts?

jordis on Feb 1, 2006

Mar 26, 2026 08:09 AM
by BET VETTE

13

2,224

1988 Stalling Issue

mlk1950 on Mar 25, 2026

Mar 26, 2026 08:05 AM
by AGENT 86

7

213

C4 coolant fan mumbo jumbo

leonel1005 on Mar 22, 2026

Mar 26, 2026 07:40 AM
by ex-x-fire

9

324

Will I have tire rubbing issues with new rims?

SpaceGrond on Mar 25, 2026

Mar 26, 2026 07:09 AM
by MatthewMiller

2

233

fitting a 4 point roll bar into a C4

blackozvet on Mar 22, 2026

Mar 25, 2026 11:19 PM
by blackozvet

8

345

Possible clutch hydraulic issues?

iatserules on Mar 25, 2026

Mar 25, 2026 02:00 PM
by iatserules

0

72

clutch problems

iatserules on Mar 25, 2026

Mar 25, 2026 01:46 PM
by iatserules

0

76

Edelbrock LT1/LT4 Gen 2 Air Gap Intake Manifold Flow Numbers?

Mr.Bear on Dec 27, 2024

Mar 25, 2026 11:47 AM
by 97CamaroSS

7

3,402

Brake problems.

leonel1005 on Mar 22, 2026

Mar 24, 2026 07:05 PM
by Whaleman

14

385

Really Stumped At This Problem. Could Sure Use Some Help!

Rogue One on Mar 21, 2026

Mar 24, 2026 06:07 PM
by IHBD

12

478

1984, 1990, c4, corvette, custom, effects, exhaust, lake, lawerence, mounted, pipes, power, side, sys, tunable

Power Effects exhaust

gene284 on Feb 15, 2009

Mar 24, 2026 05:28 PM
by BET VETTE

11

9,304

optispark

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1 2)

spluce on Dec 29, 2025

Mar 24, 2026 03:36 PM
by bajasam

23

902

Oil Drain Plug Gaskets

Mitragorz on Feb 22, 2026

Mar 24, 2026 02:27 PM
by colter

9

608

C6 wheels

Dashmitch on Mar 19, 2026

Mar 24, 2026 01:30 PM
by marshallnoise

7

393

C4 Slow cranking

greazymike on Mar 21, 2026

Mar 24, 2026 10:24 AM
by greazymike

5

245

Aaaand now the charcoal canister is shot

wolf_walker on Mar 20, 2026

Mar 24, 2026 09:28 AM
by wolf_walker

11

435

self aligning rockers on non self aligning type cylinder heads

Nilak on Mar 20, 2026

Mar 24, 2026 01:48 AM
by Nilak

7

333

87 cooling fan issues what else is new

leonel1005 on Mar 22, 2026

Mar 24, 2026 01:35 AM
by Steve Swan

7

200

1987 Corvette Speedometer not reading correctly

JNV on Mar 23, 2026

Mar 23, 2026 11:34 PM
by Dredgeguy

4

182

Source for ZF6 bolts?

spalmertree on Mar 13, 2026

Mar 23, 2026 09:15 PM
by Dredgeguy

16

490

Valve cover clearance issues.

Realfast86 on Mar 23, 2026

Mar 23, 2026 07:07 PM
by Realfast86

7

269

Bose deck always displays 1:00?

VetteMed on Jun 25, 2009

Mar 23, 2026 04:26 PM
by BET VETTE

8

1,275

C4 SuperPro Bushing Kit Contents

beagles89 on Mar 21, 2026

Mar 23, 2026 02:37 PM
by ramahon

4

341