C3 Tech/Performance - CorvetteForum - Chevrolet Corvette Forum Discussion

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Share Your C3 Upgraded Wheel/Tire Combo's

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TedH on Jan 5, 2014

Jun 5, 2026 05:15 AM
by blueL48

1,698

1,260,497

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C3 - Holley Sniper for Dummies - Level 2

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1 2 3 ... Last Page)

Halfnium on Jun 12, 2023

Apr 17, 2026 08:51 AM
by theandies

461

96,754

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Aluminum radiators and related topics

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1 2 3 ... Last Page)

vettebuyer6369 on Aug 21, 2016

Feb 7, 2026 10:41 PM
by leigh1322

355

126,568

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Motor Oil "Wear Test" and "Lab Test" Data

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540 RAT on Jun 8, 2012

Feb 4, 2026 01:50 PM
by leigh1322

361

283,795

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✅SOLUTION‼️ Something new

eboggs_jkvl on Apr 6, 2022

Dec 21, 2025 09:18 PM
by TKX 5-SPEED C3

2

8,586

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1982 MY(Model Year) problems & possible solutions.

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74 LS4-454 on Mar 3, 2013

Sep 30, 2025 07:43 PM
by daleman

339

175,847

1973, 73, 75, 77, corvette, cylinder, fix, ignition, key, keys, lock, remove, replace, reverse, steering, stuck, telescopic

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Ignition switch tumbler doesn't rotate to all positions malfunction

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1 2 3)

Petes75Vette on Mar 5, 2011

May 21, 2025 11:41 AM
by Smokeylonesome

59

112,981

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Power steering needs some help???

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1 2 3)

hugie82 on Aug 9, 2011

Mar 13, 2025 01:03 PM
by leigh1322

47

76,260

2010, coil, corvette, dwell, ignition, pencil, plug, polarity, spark

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Ignition physics for regular guys like me.

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69427 on Jan 20, 2012

Oct 18, 2022 09:13 AM
by tommd

106

95,077

0w40, 1030, 5w40, acessesories, btwn, c3, corvette, legal, mobil1, not, oil, purple, racing, royal, shootout, specialty, street, truck, valvoline

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List of Flat-Tappet Oils

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billla on Dec 8, 2009

Feb 10, 2018 01:46 PM
by H P Bushrod

725

540,376

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[Updated 8/5/12] Consolidated FAQ, Tech Tips and what happened to my sticky thread***

pewter99 on Apr 24, 2011

Oct 27, 2011 05:44 PM
by mffi115

7

57,727

Normal Threads

grinding noise assistance

Silver78_Vette on Jun 14, 2026

Yesterday 11:43 PM
by loflite

8

263

Misfiring and shutting off after plug wire change

atrain68 on Yesterday

Yesterday 11:39 PM
by Piersonpie

2

65

Steering pump ?

redwingvette on Yesterday

Yesterday 10:29 PM
by barkingrats

4

109

1982 High Idle

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1 2)

markkrollc3 on Jun 10, 2026

Yesterday 10:19 PM
by markkrollc3

22

409

72 SB 20 years in storage, cannot get it to run

72and92 on Yesterday

Yesterday 09:59 PM
by leigh1322

11

242

Violent Shaking after hitting 2 bumps

vetteguy75 on Jun 14, 2026

Yesterday 09:45 PM
by leigh1322

12

350

My ights are popping upon their own while cruising and I need to clean up this engine

TommyFox on Jun 14, 2026

Yesterday 06:37 PM
by TommyFox

17

408

82 / 700R4 owners - Do you get overrun / engine braking in Drive?

RH93 on Yesterday

Yesterday 04:46 PM
by RH93

0

46

Starter Wire Bundle Sleeving

pl2000n on Jun 15, 2026

Yesterday 04:20 PM
by 71 Vert LS1

8

180

1972 Corvette adding Vintage Air 4th or 5th Generation Pros & Cons?

Michaels1stVette on Jun 12, 2025

Yesterday 03:21 PM
by Taijutsu

10

777

Dipstick tube solution

DorianC3 on Jun 11, 2026

Yesterday 12:10 PM
by sunflower 1972

12

469

Running 10.5:1 compression with cast iron heads

AZ73 on May 23, 2026

Yesterday 10:03 AM
by Gale Banks 80'

7

672

intake crossover

biackbenz on Jun 15, 2026

Yesterday 08:48 AM
by stingr69

4

181

What is the best 100 ish nitrous kit for a sec 4150 efi motor?

Corvettedave02 on Jun 13, 2026

Yesterday 08:44 AM
by Corvettedave02

1

166

Top end rebuild

motionfan on Jun 15, 2026

Yesterday 08:04 AM
by ctmccloskey

5

164

My DIY Alignment method

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1 2)

cagotzmann on Apr 5, 2020

Yesterday 06:28 AM
by Escue

21

18,819

Aftermarket Fuel Injection to Replace Crossfire?

corvetteronw on May 12, 2025

Jun 15, 2026 11:38 PM
by Bikespace

10

1,127

1 wire alternator and stock 69 Ammeter

69ttop502 on Mar 21, 2018

Jun 15, 2026 11:04 PM
by mbuescher

10

2,543

1977 Headlight Dimmer/turn signal lever diagram?

Way2FandS on Jun 7, 2026

Jun 15, 2026 10:30 PM
by Way2FandS

6

367

1978 Corvette - Picture attached ??

vtech on Jun 14, 2026

Jun 15, 2026 07:36 PM
by vtech

8

306

Cranking to clicking 1976

Kylechantry on Jun 8, 2026

Jun 15, 2026 06:00 PM
by carriljc

7

312

The Force Awakens...

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1 2 3 ... Last Page)

DorianC3 on Nov 28, 2017

Jun 15, 2026 05:51 PM
by Rebelyell

908

98,927

Shock valving selections for C3s, for newbies to experts

leigh1322 on Jun 2, 2026

Jun 15, 2026 04:33 PM
by leigh1322

17

712

AFR 195 head question

JohnnyStingray on Jun 13, 2026

Jun 15, 2026 03:30 PM
by stingr69

12

319

Big block performance issues/expectations

miwitte on Jun 15, 2026

Jun 15, 2026 01:13 PM
by miwitte

0

142

Tri power outer carbs

Tiger Joe on Jun 5, 2026

Jun 15, 2026 01:04 PM
by Tiger Joe

13

551

76 Tilt-Tele Ignition Switch (maybe) diagnosis

CHASHR on Jun 13, 2026

Jun 15, 2026 11:09 AM
by kansas123

5

166

Dash Light Holders

jthornton on Jun 6, 2026

Jun 15, 2026 10:41 AM
by jthornton

5

365

Wilwood brakes woes

Primoz on Jun 14, 2026

Jun 15, 2026 10:26 AM
by barkingrats

5

258

1981 computer system

freestyleaudio1 on Feb 15, 2009

Jun 15, 2026 10:23 AM
by Fly skids up!

17

1,228

ACES KILLSHOT EFI install

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1 2)

Ethan_Hensley on Feb 23, 2025

Jun 15, 2026 08:35 AM
by augiedoggy

22

5,367

Computer in 81?

Jasonty on Nov 4, 2003

Jun 15, 2026 06:16 AM
by bonesbrakr

15

1,445

Please decode my Vin

ssplit63 on Jun 14, 2026

Jun 15, 2026 04:57 AM
by 4-vettes

2

179

This hole supposed to be there?

78-Silver Bullet on Jun 13, 2026

Jun 15, 2026 04:51 AM
by 4-vettes

11

425

C3 - Tremec T-56 Magnum 6 Speed Install (Silver Sport Transmission)

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Halfnium on Nov 4, 2019

Jun 14, 2026 11:15 PM
by Cktopher

81

21,075

Pinion seal issues

LittleYellowCorvette on Jan 11, 2026

Jun 14, 2026 09:42 PM
by LittleYellowCorvette

5

393

T-TOP SEALS!!! Help!!

ETRADIO on Jun 6, 2026

Jun 14, 2026 09:39 PM
by vtech

5

402

MAC ET985 Cylinder Balance Analyzer

Agaon on Sep 30, 2021

Jun 14, 2026 08:42 PM
by vetteman061

3

2,612

Trailing Arm Shims

Escue on Jun 14, 2026

Jun 14, 2026 08:29 PM
by cagotzmann

4

232

Power steering jerking

Kevin LD on Apr 10, 2026

Jun 14, 2026 02:18 PM
by joepcad

10

459

C3 cooling system

garv1rod on Jun 12, 2026

Jun 14, 2026 12:38 PM
by Piersonpie

14

417

Manifold Intereference With Aluminum Heads

J-Vette1 on Jun 12, 2026

Jun 14, 2026 12:05 PM
by J-Vette1

3

293

Will these headers work for my LS swap?

rabinaba on Jan 2, 2025

Jun 14, 2026 10:43 AM
by 78vette5.3

7

864

Front caliper removal

ClarkTime on Jun 13, 2026

Jun 14, 2026 09:37 AM
by ClarkTime

3

244

Blueprint engines oil pan and problems with steering cylinder.

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1 2)

stingraymax on Jun 2, 2026

Jun 14, 2026 07:27 AM
by Rebelyell

20

778

Strange L-48 stumbling

Strokemyaxe on Feb 20, 2015

Jun 14, 2026 01:53 AM
by RustyDuster

8

767

Buyer question - new to Corvettes

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1 2)

JustANewbie on Jun 5, 2026

Jun 13, 2026 11:20 PM
by JustANewbie

20

835

Removing engine and transmission as one...

stingraymax on Jun 12, 2026

Jun 13, 2026 10:53 PM
by Bikespace

13

506

Composite spring weight lb recommend

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1 2)

funkygas17 on Jun 1, 2026

Jun 13, 2026 03:44 PM
by Corvettedave02

26

1,084

Sanden compressor question.

7t9l82 on Jun 11, 2026

Jun 13, 2026 12:48 PM
by wolfk

7

355

Can't Find My Timing Issue

Drawmain on May 26, 2026

Jun 13, 2026 11:25 AM
by leigh1322

14

786

Question for engine gurus

20mercury on Jun 8, 2026

Jun 12, 2026 09:50 PM
by leigh1322

4

526

Anyone use one of these San their carb

RockyL32 on Jun 11, 2026

Jun 12, 2026 09:26 PM
by leigh1322

4

484

Source for nuts n bolts?

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1 2)

Shunyun on Oct 20, 2023

Jun 12, 2026 12:58 PM
by alt66

21

1,321

72 No fuel at pump, but...

72and92 on Jun 11, 2026

Jun 12, 2026 09:36 AM
by 72and92

13

367

Mixed up screws engine bay and front. 1981 C3 Corvette

RosietheVette81’ on Jun 11, 2026

Jun 11, 2026 11:03 PM
by Bikespace

8

262

Flood after sitting 5 hours

Radovette on May 12, 2026

Jun 11, 2026 07:11 PM
by Radovette

11

773

82 Engine Won't Shut Off

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1 2 3)

jthornton on May 12, 2026

Jun 11, 2026 06:03 PM
by jthornton

58

1,689

1973 Removable rear window template -

myoriginal77 on Jun 4, 2026

Jun 11, 2026 04:23 PM
by 633BR

5

380

´81 - ´82 rear window defroster switch help

RH93 on Jun 10, 2026

Jun 11, 2026 04:16 PM
by RH93

1

211

Idle quality question - too much rumble ?

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1 2 3 ... Last Page)

DorianC3 on Apr 11, 2026

Jun 11, 2026 03:24 PM
by stingr69

88

3,808

positraction and tire size

Floydy on Jun 1, 2026

Jun 11, 2026 02:57 PM
by JavaJolt78

14

786

Bad Fuel Gauge or Sending Unit?

durangochad on Jun 1, 2026

Jun 11, 2026 01:04 AM
by 80/4sp

6

472

Passenger side exhaust heat riser and gasket

RickDett on Jun 10, 2026

Jun 10, 2026 10:22 PM
by RickDett

7

325

1979 400 ci Engine Questions

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1 2 3)

C3Cruiser on Apr 13, 2026

Jun 10, 2026 10:00 PM
by 4-vettes

40

1,653

81 vette starting issue

81redc3 on May 28, 2026

Jun 10, 2026 02:10 PM
by 81redc3

9

381

82 Remove Instrument Panel

jthornton on Jun 8, 2026

Jun 10, 2026 05:46 AM
by jthornton

2

279

Fuel Line Leak developed....3/8" braided SS

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1 2)

carriljc on May 9, 2026

Jun 10, 2026 02:08 AM
by carriljc

30

1,206

Headers on a 1974

virago99A on Jun 1, 2026

Jun 10, 2026 01:53 AM
by OldCarBum

7

550

power steering slave cylinder (ram)

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1 2)

joec on May 31, 2026

Jun 9, 2026 09:35 PM
by MelWff

35

1,058