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

Today 05:15 AM
by blueL48

1,698

1,258,832

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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

95,475

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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

126,203

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

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1 2 3 ... Last Page)

540 RAT on Jun 8, 2012

Feb 4, 2026 01:50 PM
by leigh1322

361

283,474

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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

8,461

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1982 MY(Model Year) problems & possible solutions.

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1 2 3 ... Last Page)

74 LS4-454 on Mar 3, 2013

Sep 30, 2025 07:43 PM
by daleman

339

175,623

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

112,911

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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

76,143

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

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Ignition physics for regular guys like me.

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1 2 3 ... Last Page)

69427 on Jan 20, 2012

Oct 18, 2022 09:13 AM
by tommd

106

94,968

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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1 2 3 ... Last Page)

billla on Dec 8, 2009

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

725

539,843

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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

57,659

Normal Threads

Problem with Turn Signals

btwick on Today

Today 11:13 PM
by 4-vettes

4

84

Tri power outer carbs

Tiger Joe on Today

Today 11:02 PM
by leigh1322

6

110

Fan clutch

jlawn on Jun 3, 2026

Today 10:39 PM
by leigh1322

8

251

Buyer question - new to Corvettes

JustANewbie on Today

Today 08:36 PM
by JustANewbie

4

73

A-pillar seal - help needed

ETRADIO on Today

Today 08:14 PM
by ETRADIO

2

65

82 Engine Won't Shut Off

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1 2 3)

jthornton on May 12, 2026

Today 06:32 PM
by jthornton

51

1,269

power steering slave cylinder (ram)

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1 2)

joec on May 31, 2026

Today 06:10 PM
by MelWff

26

492

Fiber Optics - AND MORE, TOO!

The_JC_L46 on Nov 28, 2025

Today 04:14 PM
by The_JC_L46

10

626

69 Leaf Spring Bolts at Diff

mtcarl on Yesterday

Today 04:10 PM
by mtcarl

8

244

Can You add the OAS flapper valve to a non-A/C Car?

72and92 on Today

Today 12:57 PM
by 72and92

1

69

Shock valving selections for C3s, for newbies to experts

leigh1322 on Jun 2, 2026

Today 12:35 PM
by leigh1322

11

268

Radiator replacement

MH79 L-82 on Today

Today 11:31 AM
by Piersonpie

4

129

Almost done with my 76 restomod

Corvettedave02 on Jun 2, 2026

Today 10:36 AM
by Corvettedave02

14

424

Rag Joint Part?

1970LT1 on Yesterday

Today 10:18 AM
by augiedoggy

3

164

TKX Ques

jgill on May 24, 2026

Today 09:45 AM
by Corvettedave02

10

575

rocker arms

DingoDave on Jun 1, 2026

Today 09:16 AM
by 7t9l82

14

415

Composite spring weight lb recommend

funkygas17 on Jun 1, 2026

Today 08:41 AM
by augiedoggy

16

504

Advice from people who did the 4l80e swap for slip yoke.

stingraymax on May 31, 2026

Today 01:36 AM
by carriljc

1

156

Bumpsteer - Measuring it & Correcting it

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1 2 3 ... Last Page)

leigh1322 on Nov 20, 2025

Today 12:37 AM
by Silver 7T8

206

10,602

Are The Mounting Studs On The 77-82 Sport Mirrors Metric Thread?

OldCarBum on Jun 3, 2026

Yesterday 05:18 PM
by 4-vettes

6

212

What is this connector

mbuescher on Jun 2, 2026

Yesterday 05:08 PM
by mbuescher

4

272

Source for nuts n bolts?

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1 2)

Shunyun on Oct 20, 2023

Yesterday 04:29 PM
by tubman

20

1,060

Brake pedal goes to floor and never pumps up

C3Lover1978 on Jan 28, 2026

Yesterday 01:34 PM
by jthornton

18

733

Wiring question

C3-LT1 on Jun 1, 2026

Yesterday 10:13 AM
by Rebelyell

11

286

BB Water pump rebuild kits

rht69911s on May 25, 2026

Yesterday 09:54 AM
by leigh1322

5

236

71’ C3 TH400 to M20 swap

Gabriel Vianna on May 24, 2026

Yesterday 09:42 AM
by leigh1322

9

441

1973 Removable rear window template -

myoriginal77 on Yesterday

Yesterday 07:53 AM
by Alan 71

2

139

4 way flashers work, stop, turn signals don't

bmac57 on May 30, 2026

Yesterday 07:45 AM
by bmac57

10

332

Bad Fuel Gauge or Sending Unit?

durangochad on Jun 1, 2026

Yesterday 07:27 AM
by Alan 71

5

223

Valve Timing Question

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1 2)

C3Cruiser on May 24, 2026

Jun 3, 2026 10:37 PM
by leigh1322

36

1,131

Turbo C3 76 Corvette Project, LSx, 4l80E, 4 link, real street driver and strip car

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1 2 3 ... Last Page)

DblTrbl on Aug 10, 2016

Jun 3, 2026 09:59 PM
by DblTrbl

433

85,364

Corvette Alignment

cottoneg on May 30, 2026

Jun 3, 2026 09:42 PM
by augiedoggy

14

533

Holley Sniper EFI and intake manifold plenum modification.

DorianC3 on May 27, 2026

Jun 3, 2026 04:50 PM
by theandies

16

517

"Bolt in" Super 8.8 and suspension (new "affordable" driveline alternative)

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1 2 3 ... Last Page)

SkinnyPedalKicker on Aug 20, 2024

Jun 3, 2026 04:04 PM
by 78vette5.3

114

14,908

Tom's Differentials closing

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1 2)

GTR1999 on Aug 11, 2025

Jun 3, 2026 03:48 PM
by MelWff

32

4,494

Transmission question.

miked123 on Jun 1, 2026

Jun 3, 2026 02:54 PM
by 427Hotrod

4

239

Power Steering Pump Rebuild - What's Involved?

Stephen Irons on Jun 2, 2026

Jun 3, 2026 09:57 AM
by interpon

8

241

water pump vs. heater hose ques.

jgill on Jun 3, 2026

Jun 3, 2026 08:32 AM
by jgill

0

135

1971 350/270 Vacuum Advance Tube Install Config

C8H18 on Jun 1, 2026

Jun 3, 2026 12:07 AM
by C8H18

5

244

Re-Gluing Detached Side Marker Lens

C8H18 on Jun 2, 2026

Jun 2, 2026 11:52 PM
by C8H18

2

180

Advise for a new bee '74 swap

Grateful Dad on Jun 2, 2026

Jun 2, 2026 11:40 PM
by carriljc

1

144

rear seal and oil pan

JRS 94 on May 26, 2026

Jun 2, 2026 10:39 PM
by JRS 94

17

562

posi clutch type

GTR1999 on Jun 2, 2026

Jun 2, 2026 09:23 PM
by GTR1999

0

154

C3 Headlight Assembly alignment issue

robertea on Jun 1, 2026

Jun 2, 2026 01:16 PM
by Alan 71

6

202

Blueprint engines oil pan and problems with steering cylinder.

stingraymax on Jun 2, 2026

Jun 2, 2026 10:16 AM
by jthornton

5

220

LuK clutch with composit TO bearing

Golfobsessed on May 30, 2026

Jun 2, 2026 08:08 AM
by Tiger Joe

8

269

Sport Mirror Installation, Before Or After Window Installation??.

(

1 2)

OldCarBum on May 31, 2026

Jun 2, 2026 06:18 AM
by 4-vettes

20

401

C3 Front Frame Repair 69 Corvette

74L82AirRoadster on May 25, 2026

Jun 1, 2026 10:08 PM
by standardbyke22

3

437

Front Sway Bar Bushings Help

78-Silver Bullet on May 31, 2026

Jun 1, 2026 06:33 PM
by 78-Silver Bullet

5

271

shocks

vince vette 2 on May 31, 2026

Jun 1, 2026 05:35 PM
by vince vette 2

8

304

Headers on a 1974

virago99A on Jun 1, 2026

Jun 1, 2026 05:06 PM
by Fly skids up!

2

196

A/C sealing rings (O-rings) dimension

Daliboy on May 31, 2026

Jun 1, 2026 03:25 PM
by sunflower 1972

4

180

Best way to remove Super T10 rear seal?

sleepchamber on May 17, 2026

Jun 1, 2026 12:57 PM
by sleepchamber

6

409

positraction and tire size

Floydy on Jun 1, 2026

Jun 1, 2026 09:31 AM
by GTR1999

2

222

72 power brake booster input shaft length?

72and92 on May 30, 2026

Jun 1, 2026 08:53 AM
by 72and92

2

181

Looking for Multi Pin Connector for Center Console Circuit Board

Jim E Devine on May 28, 2026

Jun 1, 2026 08:04 AM
by Jim E Devine

6

272

115, 118611, 119651, 121, 355, cam, cams, camshaft, comp, compression, crane, hyd, race, roller, run, sbc

Need a new cam for my motor (355 sbc 12:1)

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1 2)

Yellow73SB on Nov 26, 2006

Jun 1, 2026 05:29 AM
by Grumpy

30

10,077

Viking coil over kit

(

1 2)

White 68 on Jul 10, 2020

May 31, 2026 10:42 PM
by augiedoggy

25

4,763

1980-82 Front Bumper Support Structure on '76?

Marc Anderson on May 31, 2026

May 31, 2026 10:40 PM
by Marc Anderson

0

103

427 Crank and water pulleys touching?

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1 2)

TeamTruett on Nov 22, 2024

May 31, 2026 02:35 PM
by leigh1322

28

2,263

Fuel Line Flush on '82 C3

AZPlatinum on May 30, 2026

May 31, 2026 01:40 PM
by jthornton

4

215

Idle quality question - too much rumble ?

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1 2 3 ... Last Page)

DorianC3 on Apr 11, 2026

May 31, 2026 12:50 PM
by OMF

82

3,319

68 Big Block Vin Stamp Part II

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1 2)

aardude on May 28, 2026

May 31, 2026 10:49 AM
by barkingrats

24

637

Seal/gasket between front hub and spindle support? '73

AZDoug on May 30, 2026

May 31, 2026 09:50 AM
by GTR1999

6

302

1971 LS5 Valve cover gaskets

Stallzer on May 30, 2026

May 31, 2026 07:33 AM
by zwede

4

200

Convert Analog oil pressure gauge to electric on 72?

72and92 on May 22, 2026

May 31, 2026 05:34 AM
by 4-vettes

15

623

How Do You Remove The Window Rollers From The Upper Channel?

OldCarBum on May 29, 2026

May 30, 2026 10:14 PM
by OldCarBum

5

299

Engine alined bored now starter issues to flexplate

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1 2)

Pat71vette on May 21, 2026

May 30, 2026 05:11 PM
by QIK59

20

823

Smog removal

Air_drewdy on Dec 11, 2023

May 30, 2026 03:36 PM
by C3Cruiser

18

1,436

Upgraded AC?

Taijutsu on May 29, 2026

May 30, 2026 02:21 PM
by Taijutsu

5

319