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1966 Corvette: Engineering Service Letter: RPO K-66 Wiring Diagram for Breakerless Ignition System

This Chevrolet Engineering Service Letter contains important information for all owners of 1966 Corvettes that are equipped with the RPO K-66 transistorized ignition system. Original 1966 Corvette shop manuals do not have this information. Subject:... Read More

1968 Corvette: Features Sheet: Chevrolet L88 Engine Assembly Features

The following information lists the features of the over-the-counter, L88 Engine assembly that could be purchased in 1968: CHEVROLET L 88 ENGINE ASSEMBLY PART NO. 3919831 (427 CID) FEATURES Aluminum High Riser (Plenum Chamber Design) Intake... Read More

1973 - 1974 Corvette: Service Bulletin: Engine Overheat Due to Blocked Coolant Passage in the Cylinder Head

Subject:   Engine Overheat Due to Blocked Coolant Passage in the Cylinder Head Model and Year:   All Small Block V-8 Engines Source:  Chevrolet Dealer Service Technical Bulletin Bulletin No:   74-T-6 Section: ... Read More

1967 Corvette: Engineering Service Letter Note: Steering Shaft Upper Retaining Ring Removal on Telescoping Columns

Subject:    Steering Shaft Upper Retaining Ring Removal on Telescoping Columns (#608) (T.N.) Model and Year:  1967 Corvair, 1967 Corvette Source:  Chevrolet Engineering Service Letter Note Page Number:   NA ... Read More

1966 Corvette: Reliability Data Center Letter: Poor Release and High Pedal Effort - 1966 327 CID Corvette Engines

Recent investigation of poor release of clutch, high pedal effort and disc wear has isolated the condition to the clutch fork retainer tangs interfering with the clutch housing boss provided for the ball stud which causes a reduction in fork travel.... Read More

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