C3 Tech/Performance - CorvetteForum - Chevrolet Corvette Forum Discussion

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C3 - Holley Sniper for Dummies - Level 2

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Halfnium on Jun 12, 2023

Yesterday 01:56 PM
by azhodge

449

87,117

Sticky

Share Your C3 Upgraded Wheel/Tire Combo's

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TedH on Jan 5, 2014

Mar 19, 2026 07:38 PM
by TACatfish#64

1,673

1,244,060

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Aluminum radiators and related topics

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vettebuyer6369 on Aug 21, 2016

Feb 7, 2026 10:41 PM
by leigh1322

355

124,796

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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

281,299

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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

7,928

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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

174,179

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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Petes75Vette on Mar 5, 2011

May 21, 2025 11:41 AM
by Smokeylonesome

59

112,367

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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

75,422

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

94,235

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

536,011

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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

57,392

Normal Threads

Help with a Tilt Tele Column

shark70 on Today

Today 11:08 PM
by C8H18

3

35

Harmonic Balancer Needs Replaced: new or rebuild?

78-Silver Bullet on Today

Today 10:44 PM
by Bikespace

5

154

Do Transmission Gasket Sets Include Shifter Shaft Seals (for side cover)?

C8H18 on Today

Today 10:17 PM
by C8H18

3

55

VIN Says 1972

Shark72 on Yesterday

Today 09:12 PM
by barkingrats

14

377

I am going to try to rebuild my leaking brakes.

Way on Mar 27, 2026

Today 09:06 PM
by barkingrats

18

393

Best shifter kits? Transgo vs B&M.

Novusuhu on Yesterday

Today 06:48 PM
by Novusuhu

9

260

Does diff get removed to replace pinion seal on a 1980?

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1 2)

TommyFox on Mar 15, 2026

Today 06:42 PM
by TommyFox

22

785

T Top leak cause identified..at last

Haggisbash on Mar 28, 2026

Today 06:38 PM
by TommyFox

14

351

Custom AutoSound Mfg - Undercover II Speakers

Floydy on Mar 29, 2026

Today 06:15 PM
by Floydy

7

185

1970-71 LT1 engines

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1 2)

riverracer au on Jul 25, 2012

Today 06:07 PM
by 1-8-4-3-6-5-7-2

35

7,473

Poly Bushings in the front, Rubber in the Trailing Arms...any issues

Ronniewo on Today

Today 05:49 PM
by 4-vettes

2

89

Lokar Engine Oil Dipsticks, Any Good?

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1 2)

OldCarBum on Mar 25, 2026

Today 05:14 PM
by JakeLucas

22

571

1970 radio wiring

bill69 on Yesterday

Today 03:14 PM
by bill69

3

120

J56 Components - Road Racing

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1 2)

Acco Motors on Mar 29, 2026

Today 11:25 AM
by gg521

21

500

Excessive play in steering column

Primoz on Mar 29, 2026

Today 11:11 AM
by 69ttop502

13

318

15 x10 rims.

7t9l82 on Mar 19, 2026

Today 10:57 AM
by Burnt C6

11

585

Headlight support mystery bracket

Zivaldo03 on Yesterday

Today 07:48 AM
by BKarol

1

158

Installing a New Long Block in the 82

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jthornton on Mar 17, 2026

Today 07:28 AM
by jthornton

62

1,570

Broken Main Bearing Cap

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1 2)

78-Silver Bullet on Mar 28, 2026

Today 12:50 AM
by Gale Banks 80'

31

879

Sound deadening "Maybe a tad too much."

rmrtrex on Mar 29, 2026

Today 12:28 AM
by Haggisbash

6

349

DIY PWM variable fans with soft start

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DblTrbl on Jul 8, 2019

Yesterday 10:41 PM
by DblTrbl

114

35,484

82 Exhaust Manifold Issues

jthornton on Mar 29, 2026

Yesterday 08:22 PM
by jthornton

8

199

Engine specs for 72 LT-1

Lloyd Raymond on Jan 28, 2018

Yesterday 02:25 PM
by 1-8-4-3-6-5-7-2

9

2,730

My DIY Alignment method

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1 2)

cagotzmann on Apr 5, 2020

Yesterday 12:07 PM
by Spot Rot

20

17,740

Another ZZ4 and carb thread

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1 2)

Redhook98 on Mar 22, 2026

Yesterday 06:08 AM
by gdh

33

828

Vapor locking I think?

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1 2)

Bill218 on Mar 22, 2026

Mar 29, 2026 10:45 PM
by Bill218

38

987

Rear spring sag on my '79 vs my '73

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1 2)

Mickeymoe on Mar 24, 2026

Mar 29, 2026 03:55 PM
by Way

26

812

water pump lubricant?

pigfarmer on Mar 27, 2026

Mar 29, 2026 11:37 AM
by peters220

10

344

Offset upper control arm shafts

bschuus on Feb 26, 2026

Mar 29, 2026 10:15 AM
by Bikespace

16

720

Carb almost immediately flooding

jlawn on Mar 28, 2026

Mar 29, 2026 07:53 AM
by jlawn

17

458

New exhaust woes

AllCarFan on Mar 29, 2026

Mar 29, 2026 07:39 AM
by AllCarFan

5

237

77 Corvette Speedo problem

Terry Painter on Mar 25, 2026

Mar 28, 2026 11:53 PM
by Rebelyell

8

253

Issues with aftermarket alarm

Z51JEFF on Mar 28, 2026

Mar 28, 2026 10:36 PM
by 4-vettes

4

131

355 build: fasteners, cam button, dist. gear, fuel pushrod, ...

Novusuhu on Mar 26, 2026

Mar 28, 2026 09:54 PM
by leigh1322

6

322

Radiator Foam Seals

The_JC_L46 on Oct 28, 2025

Mar 28, 2026 05:09 PM
by The_JC_L46

9

512

Trailing Arms & Compatibility

The_JC_L46 on Mar 28, 2026

Mar 28, 2026 04:30 PM
by The_JC_L46

3

205

Muncie speedometer question

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1 2)

Giddy-up Go on Mar 26, 2026

Mar 28, 2026 03:25 PM
by drwet

23

481

1968 -1971

Dano1969 on Mar 27, 2026

Mar 28, 2026 03:19 PM
by 69L88

5

309

Single belt, water pump tension

Ronniewo on Mar 23, 2026

Mar 28, 2026 01:39 PM
by The_JC_L46

6

280

Borgeson Box Seal leaking: Change seal in care or need to remove box?

Cool bean on Oct 3, 2023

Mar 28, 2026 01:25 PM
by Dale Scribner

7

1,491

Torque Spec Typo in Shop Manual?

78-Silver Bullet on Mar 27, 2026

Mar 28, 2026 12:21 PM
by barkingrats

8

260

Spring bolt adjustments not similar

sleepchamber on Mar 15, 2026

Mar 28, 2026 10:39 AM
by KENS80V

19

709

Quadrajet troubles

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1 2)

jsbowman6 on Mar 20, 2026

Mar 28, 2026 08:22 AM
by jsbowman6

21

1,023

A/C controls dysfunction.

Valdean on Mar 23, 2026

Mar 27, 2026 11:13 PM
by Valdean

2

235

?? Spacers for Composite Rear Spring ??

60 SHARK on Sep 22, 2021

Mar 27, 2026 06:10 PM
by mpoetzsc

13

2,214

1978 Corvette Steering Issues

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1 2)

TimC69@ on Dec 14, 2025

Mar 27, 2026 04:20 PM
by MelWff

20

683

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

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DblTrbl on Aug 10, 2016

Mar 27, 2026 12:11 PM
by jasper711

429

84,091

Vitour tires, glad I’ve listened

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1 2)

CubeBrick on May 31, 2023

Mar 27, 2026 08:42 AM
by WESCH

30

9,940

19x10.5 wheels

smallblockrodknock on Mar 26, 2026

Mar 27, 2026 08:39 AM
by wheresmyhorsepower

4

290

Fuel Separator valve/ Charcoal Canister for 1980

rmrtrex on Mar 16, 2026

Mar 27, 2026 12:54 AM
by rmrtrex

10

357

Speedo cable 200-4R

gjohnson on Mar 25, 2026

Mar 26, 2026 09:45 PM
by carriljc

8

240

Trailing arm shims with new trailing arms

redwingvette on Mar 21, 2026

Mar 26, 2026 05:55 PM
by stingr69

12

435

New "old" heads 3947041

JRS 94 on Mar 21, 2026

Mar 26, 2026 05:48 PM
by stingr69

9

451

No Power to Fuel Pump 82CE

OzyMark on Nov 23, 2024

Mar 26, 2026 05:20 PM
by Fly skids up!

8

1,069

Valve wobble at speed

barkingrats on Mar 25, 2026

Mar 26, 2026 04:07 PM
by Rebelyell

4

275

Instrument Lighting LED & Incandescent Fun Fact

bmotojoe on Mar 21, 2026

Mar 26, 2026 02:24 PM
by Dave's82C3CE

3

390

A stereo question about an 81

Z51JEFF on Mar 25, 2026

Mar 26, 2026 01:44 PM
by Z51JEFF

4

296

Strut rod replace

alt66 on Mar 26, 2026

Mar 26, 2026 01:40 PM
by alt66

0

201

Radiator/Shroud seals...

CecilVette on Mar 23, 2026

Mar 26, 2026 07:56 AM
by ctmccloskey

7

358

Making choices 355: Pistons, camshaft + lifters & rocker arms.

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1 2)

Novusuhu on Mar 11, 2026

Mar 26, 2026 05:43 AM
by Novusuhu

22

942

steering rack and power steering leak in my 76’

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FariZ on Mar 15, 2026

Mar 25, 2026 08:20 PM
by FariZ

63

1,647

Big block headers "direct fit" cast iron manifold replacements - anyone tried these?

71 454 Stingray on Mar 24, 2026

Mar 25, 2026 11:52 AM
by Tiger Joe

8

355

I am updating all my brake hoses. Who provides the best kit?

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1 2)

Alwyn678 on Feb 17, 2024

Mar 25, 2026 09:12 AM
by Rebelyell

22

3,729

Temperature gauge

Golferdad on Mar 10, 2026

Mar 25, 2026 02:15 AM
by 4-vettes

12

559

I ordered McJacks Shorty Headers for my 454

Jetglow on Feb 3, 2021

Mar 25, 2026 12:25 AM
by 71 454 Stingray

19

2,303

high rpm miss

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1 2)

sanjuanbum on Mar 21, 2026

Mar 24, 2026 10:13 PM
by leigh1322

20

613

Fender louvers on a 68 Stingray

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1 2)

faninc on Jan 15, 2012

Mar 24, 2026 07:40 PM
by 69L88

22

8,532

Next job is Rear main seal replacement, does pan come off easy?

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1 2)

TommyFox on Jan 10, 2026

Mar 24, 2026 06:20 PM
by TommyFox

23

1,222

Designing a C3 Suspension Setup

leigh1322 on Mar 17, 2026

Mar 24, 2026 01:37 PM
by leigh1322

19

802

Bumpsteer - Measuring it & Correcting it

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leigh1322 on Nov 20, 2025

Mar 24, 2026 01:32 PM
by mfain

200

8,995