C4 ZR-1 Discussion - CorvetteForum - Chevrolet Corvette Forum Discussion

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1, 1990, air, box, camshaft, corvette, diameters, l98, lt5, max, oil, optimum, plenum, psi, specs, stage

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Tech Info - LT5 Modifications/Rebuild Tricks (500+hp)

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1 2 3 ... Last Page)

Dynomite on Feb 20, 2012

May 18, 2026 01:04 PM
by Dynomite

341

540,573

1988, 1990, 1991, 71, chevrolet, corvette, prototype, richardson, sale, st, townsley, tyler, wa, zr, zr1

Sticky

The Official Chevrolet Corvette ZR-1 Picture Thread

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1 2 3 ... Last Page)

LowFlight on Aug 17, 2007

Apr 13, 2026 07:02 PM
by 81c3

348

198,722

Sticky

Secondary starter relay modification made easy.

Z51JEFF on Jul 15, 2015

Oct 10, 2024 05:21 PM
by SGCZR1

16

28,875

Normal Threads

Finally Got my Plates!!

81c3 on May 20, 2026

Yesterday 11:50 PM
by RocketRob

7

184

1995 ZR1 correct paint on front bumper

vetteracerx on Yesterday

Yesterday 09:22 PM
by FASTAZU

1

75

Header rubbing

zrracer on May 18, 2026

Yesterday 08:59 PM
by ghlkal

5

255

Need help with diagnosis AND suggested repairs.

DRM500RUBYZR-1 on May 16, 2026

Yesterday 12:33 PM
by Chevy Cust Svc

14

499

Looking for an original old school Flowmaster set-up for a ZR-1..

FASTAZU on May 9, 2026

May 20, 2026 05:25 PM
by FASTAZU

4

328

C4 mechanic in Dallas?

dc3843 on May 3, 2026

May 20, 2026 10:35 AM
by billschroeder5842

3

394

‘92 White/White on BAT (w/ issues)

wildanblue on May 9, 2026

May 18, 2026 05:52 PM
by TMStech

10

843

Ac compressor doesn’t come on

yzrider on May 9, 2026

May 12, 2026 07:12 PM
by mrlmd

6

343

WTB Rear License Plate Frame/Holder

81c3 on May 7, 2026

May 12, 2026 11:44 AM
by KOZ

3

304

What is everybody doing now that Michelin & Continental no longer make 315/35/17 tire

70T/A400 on Apr 30, 2026

May 10, 2026 10:37 AM
by 1993C4LT1

14

737

Help me choose tires for the ZR-1

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1 2)

1cuda on Mar 3, 2026

May 9, 2026 06:15 PM
by 1cuda

25

1,494

Anyone in SE PA That Knows of Car Gatherings on Sundays?

TBH94 on Apr 15, 2026

May 7, 2026 10:36 PM
by MikeFC

1

272

1990 ZR1 A/C System

tstrohl on Oct 25, 2018

May 6, 2026 04:37 PM
by 3R1$C

4

2,466

ZR-1 Rear License Plate Frame

FLORIDAC4 on Jan 18, 2020

May 6, 2026 09:23 AM
by 81c3

5

1,803

Belt tensioner

zrracer on May 5, 2026

May 5, 2026 05:52 PM
by zrracer

2

219

A question about wheels

Z51JEFF on May 3, 2026

May 4, 2026 06:06 AM
by HAWAIIZR-1

2

349

New owner. Engine noise

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1 2 3)

bigben2 on Jan 4, 2026

May 2, 2026 09:06 AM
by FASTAZU

58

3,087

FS Watson stainless steel headers

ml258 on Apr 30, 2026

May 1, 2026 06:40 PM
by ml258

1

300

New to me 1990 ZR1 Black ext and Grey Int

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1 2)

hessm70 on Apr 6, 2026

Apr 27, 2026 01:12 PM
by hessm70

21

1,033

LED Head Lights Installed

81c3 on Apr 24, 2026

Apr 26, 2026 09:12 AM
by 81c3

2

436

FS: NOS 1990-1991 Chevrolet Corvette ZR-1 LT5 power key

bowtiguy on Apr 25, 2026

Apr 25, 2026 11:53 AM
by bowtiguy

0

234

Serpentine Belt and Tensioner Pulley

81c3 on Apr 22, 2026

Apr 24, 2026 09:35 PM
by ghlkal

3

413

Another fairly rare ZR-1 on BAT

Subfixer on Apr 20, 2026

Apr 22, 2026 05:11 PM
by Subfixer

6

615

License Plate

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1 2 3)

9157 on Dec 6, 2019

Apr 22, 2026 04:37 PM
by ramahon

50

8,162

FS: OBX Headers - NEW, Box unopened

DRM500RUBYZR-1 on Apr 16, 2026

Apr 21, 2026 07:50 AM
by DRM500RUBYZR-1

11

609

Possible Starter Issues

KJL on Mar 19, 2026

Apr 20, 2026 05:49 PM
by KJL

12

711

Frame Brace which one?

ZR-1King on Apr 13, 2026

Apr 19, 2026 12:24 PM
by G8nightman

14

644

Possible Solution for Shift Plate Space

81c3 on Apr 16, 2026

Apr 18, 2026 11:31 PM
by Z51JEFF

5

331

New Member, Hello !

Alex1600 on Apr 17, 2026

Apr 18, 2026 07:27 AM
by 1bdvet

7

406

Help: Need to confirm Brake Master Cylinder part number

DRM500RUBYZR-1 on Apr 14, 2026

Apr 17, 2026 09:36 PM
by fxkenny

6

469

New (to me) Wheels are On!!!

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1 2)

81c3 on Apr 12, 2026

Apr 16, 2026 11:05 PM
by 81c3

21

849

ZR-1 NOS tires, rims and oil filters

Sixties on Sep 11, 2025

Apr 16, 2026 07:48 PM
by Alex1600

11

1,334

C4 Differential drain plug kit..

ZR-1King on Apr 13, 2026

Apr 16, 2026 03:40 PM
by Dynomite

3

421

Black 90 ZR1 Denver CO

mbco on Apr 15, 2026

Apr 15, 2026 10:53 PM
by ghlkal

2

353

Differential Question

ZR-1King on Apr 15, 2026

Apr 15, 2026 09:51 PM
by gerardvg

2

247

Tools for header install

ml258 on Apr 6, 2026

Apr 14, 2026 11:40 PM
by TxHobbes

5

549

HOTB Anthony Young Book

81c3 on Mar 27, 2026

Apr 14, 2026 08:55 PM
by 81c3

6

452

1989 ZR-1 on BaT

BoeingDriver on Apr 5, 2026

Apr 14, 2026 09:15 AM
by DRM500RUBYZR-1

12

869

TPMS Sensors

81c3 on Apr 6, 2026

Apr 13, 2026 06:52 AM
by 81c3

11

472

Oil Thread

bluestreak63 on Mar 23, 2026

Apr 11, 2026 10:28 PM
by bluestreak63

18

820

Lgaff

81c3 on Apr 10, 2026

Apr 10, 2026 03:29 PM
by 81c3

3

405

Found My Next One

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1 2)

81c3 on Mar 20, 2026

Apr 9, 2026 11:27 PM
by ZR-71

22

1,299

Quick-Jack use on ZR-1

ZR-1King on Apr 4, 2026

Apr 9, 2026 02:51 PM
by Z51JEFF

2

421

C8 Z vs C4 Z

ghlkal on Apr 7, 2026

Apr 8, 2026 09:56 AM
by JT ZR-Won

1

384

Ecm 1990

RossGN on Apr 5, 2026

Apr 5, 2026 07:11 PM
by RossGN

0

255

93 Zr1 fuel pump

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1 2)

jlsilli on Apr 2, 2026

Apr 5, 2026 07:54 AM
by 1993C4LT1

20

850

Fuel Pump Replacement

Wine&Roses on Apr 4, 2026

Apr 4, 2026 02:17 PM
by WVZR-1

3

258

1990 Low coolant warning light

gravelgrinder on Mar 27, 2026

Apr 3, 2026 02:40 PM
by gravelgrinder

5

431

1992 zero 20.000 miles worth

signify on Mar 30, 2026

Apr 1, 2026 10:00 PM
by bluestreak63

5

476

95 dark purple zr1

TOM65 L76 96 LT1 on Mar 21, 2026

Mar 31, 2026 02:05 AM
by ZR-1King

10

937

Salvage zr1 in quasar blue for sale

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1 2 3)

Squiggajoe on Jul 10, 2022

Mar 29, 2026 07:27 AM
by 1993C4LT1

49

10,194

1990 ZR1 needs brake booster

Andysherman on Mar 11, 2026

Mar 28, 2026 10:00 AM
by HAWAIIZR-1

14

666

Possible clutch hydraulic issues?

iatserules on Mar 25, 2026

Mar 26, 2026 09:25 PM
by ghlkal

2

309

My new 95 ZR-1

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1 2)

goldi on Mar 13, 2026

Mar 25, 2026 02:39 PM
by Tokuzumi

21

1,387

Reading codes, 1992

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1 2)

1993C4LT1 on Mar 10, 2026

Mar 25, 2026 02:33 PM
by 1993C4LT1

29

1,052

new lt5 ducal mas flywheel 4 zr1 ecu

Drbobzr1 on Mar 25, 2026

Mar 25, 2026 08:46 AM
by Drbobzr1

0

246

My 405HP/4bolt main headed to auction

Mint 66 on Feb 26, 2026

Mar 24, 2026 09:55 PM
by Mint 66

11

1,045

DeWitt's radiator with/out engine oil cooler

synthwave91 on Mar 16, 2026

Mar 24, 2026 12:17 PM
by glass slipper

9

727

Moved

New Member

tlandrum on Mar 20, 2026

-

ZR-1 repair shop in SEPA (Philly Burbs)

TJsBeer on Aug 18, 2025

Mar 20, 2026 01:40 PM
by MikeFC

11

863

415 ZR-1 at full throttle

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1 2)

4cefed on Dec 26, 2025

Mar 20, 2026 10:49 AM
by ZR1Bob

21

1,618

1996 headlight

artee on Mar 15, 2026

Mar 17, 2026 08:18 PM
by Z51JEFF

1

302

New to the club

WRC7732 on Mar 10, 2026

Mar 16, 2026 04:13 AM
by HAWAIIZR-1

10

476

FS rear license plate holder

AAFC on Mar 15, 2026

Mar 15, 2026 09:13 PM
by AAFC

0

262

Tachometer Disconnected on 1990 ZR1

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1 2)

Dynomite on Mar 3, 2026

Mar 14, 2026 09:58 PM
by gerardvg

27

1,701

90 zr1 #354 for sale in Wisconsin

TOM65 L76 96 LT1 on Mar 14, 2026

Mar 14, 2026 04:14 PM
by TOM65 L76 96 LT1

2

464

Off To See The Wizard

BoeingDriver on Feb 19, 2026

Mar 12, 2026 08:09 PM
by BoeingDriver

15

921

AIR pump intake silencer

fxkenny on Mar 6, 2026

Mar 12, 2026 04:27 PM
by fxkenny

8

600

ZR-1 Net Registry AKA Losers Club

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1 2 3 ... Last Page)

DRM500RUBYZR-1 on Nov 24, 2025

Mar 10, 2026 10:51 AM
by synthwave91

72

6,189

3D printing?

FASTAZU on Mar 7, 2026

Mar 10, 2026 06:40 AM
by Z51JEFF

9

732