Engine - Drivetrain

Description:This article was written by Mike Chaney who is a contributor to the F-body Listserv. He has done an excellent dissection of an Optispark distributor which appeared on 1992 - 1996 LT1 Corvettes. Below, he describes the replacement of an... Read More

LT1 Reverse Flow Cooling SystemBy Scott Mueller. One of the greatest features of the '92 and up Chevrolet LT1 engine is the reverse flow cooling system. In fact it is reverse flow cooling that is truly the key to the incredible performance of the... Read More

Source: Chevrolet Dealer Service BulletinSubject: Oil Leaks Between Intake Manifold and Engine BlockModel and Year: 1992-96 Chevrolet CorvetteBulletin Number: 77-61-17Date: 06-Oct-1997CONDITION: Oil leaks at mating surfaces between the intake... Read More

Subject: NOISY/FRAYING ACCESSORY DRIVE BELT (INST. SINGLE-SIDED BELT) Model and Year: 1992-93 CORVETTE WITH 5.7L (LT1) ENGINE Source: Chevrolet Service Bulletin Bulletin Number: 93-273-6A THIS BULLETIN IS BEING RE-PUBLISHED TO ADD THE... Read More

Subject: FUEL PUMP DRIVEABILITY ISSUE DIAGNOSTIC INFORMATION Model and Year: 1991-92 CAMARO, CAVALIER, CORSICA, BERETTA, LUMINA AND CORVETTE 1992 C1, K1, L/M AND S/T TRUCKS 1992 LUMINA APV Source: Chevrolet Service Bulletin Bulletin... Read More

Subject: SERV MANUAL UPDATE-SEC.6E3 DRIVEABILITY AND EMISSIONS Model and Year: 1990 CORVETTE WITH 5.7L L98 (VIN CODE 8) ENGINE Source: Chevrolet Service Bulletin Bulletin Number: 90-350-6E - (09/13/1990) The attached Code 34 diagnostic... Read More

Overview: The 1990 to 1996 Corvettes are equipped with an Engine Oil Life Monitor.  The Central Control Module (CCM) calculates the lifespan of the engine oil by measuring engine rpm, and oil temperature over time.  Regardless of... Read More

Subject: OIL PRESSURE GAUGE FLUTTERS OR MAY READ HIGH Model and Year:1990 CELEBRITY1990-91 CAPRICE, CAMARO, CAVALIER, CORSICA, BERETTA, LUMINA AND CORVETTE1990-91 LUMINA (APV) 1990-91 C/K, R/V, S/T, G, M/L, PSource: Chevrolet Service BulletinBulletin... Read More

Subject: COOLANT USAGE RECOMMENDATION SERVICE INFORMATION Model and Year:ALL 1988-91 PASSENGER CARS AND TRUCKSSource: Chevrolet Service BulletinBulletin Number: 91-62-6B - (08/21/1990) TO: ALL CHEVROLET DEALERS THIS INFORMATION SUPERSEDES INFORMATION... Read More

Subject: INTERMITTENT NO START/CRANKS REPLACE MASS AIR FLOW RELAYS Model and Year: 1988-89 CHEVROLET CORVETTESource: Chevrolet Service BulletinBulletin Number: 89-327-6D - (07/10/1991) Condition: On the 1988 - 89 Y Car, the engine may have... Read More