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1992 Corvette: Service Bulletin: Engine Ticking Noise - Check Exhaust Manifold Bolts

Subject: ENG. TICKING NOISE-CHK. TORQUE ON EXH. MAN HEAT SHIELD BOLTSModel and Year: 1992 CORVETTE W/ LT1 ENGINESource: Chevrolet Product Emission CampaignBulletin Number: 92-301-6A - (09/28/1992) CONDITION: Some owners of 1992 Corvettes with the LT1... Read More

1992 - 1996 Corvette: Tech Article: Quietly Powerful: How to Build a C4 LT1/4/5 Exhaust that Gains 28 hp and...is Quiet

Quietly Powerful: How to Build a C4 LT1/4/5 Exhaust that Gains 28 hp and...is Quiet Text and Images by Hib Halverson ©2003 Shark Communications No Use Without Permission   Click image for larger view A Flowmaster cat-back... Read More

1989 - 1991 Corvette: Service Bulletin: Proper Installation and Seating of the SIR Coil Assembly

Subject: PROPER INSTALLATION AND SEATING OF THE SIR COIL ASSEMBLY Model and Year: 1989-91 CAPRICE, CAMARO, CORVETTE, CORSICA AND BERETTA Source: Chevrolet Service Bulletin Bulletin Number: 91-204-3B - (01/23/1991) CONDITION: The lower... Read More

1990 - 1995 Corvette ZR-1: Wheel Well: Locating the panel that fits in the rear portion of the right front wheel well

You won't find that GM discontinued part (discontinued in 1999) unless it's from someone parting-out or willing to sell a part of an assembly.SECRET:Try a non-ZR1 panel and retrofit it by drilling holes to attach a ZR1's control modules/relays... Read More

1990 - 1992 Corvette ZR-1: Service Bulletin: No Start Condition (Replace Starter)

Subject: NO START CONDITION (STARTER CORROSION-REPLACE STARTER) Model and Year: 1990-1992 Corvette, Engine Code J (LT5) Source: Chevrolet Service Bulletin Bulletin Number: 92-307-6 - (09/21/1992) CONDITION: Some ZR1 Corvettes may exhibit... Read More

1990 - 1995 Corvette ZR-1: Technical Article: LT5 Secondary Port Operation & Vacuum Diagnosis

LT5 Secondary Port Operation & Vacuum Diagnosis by Robert Loszewski Copyright 2001 Before getting into diagnosing the LT5 engine's secondary port vacuum system, I thought it would be a good idea to take this opportunity to clear up a few... Read More

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