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Subject:   Crankshaft to Water Pump Drive Belt Failure Model and Year:   1966 - 1967 Corvettes with 427 CU. IN. Engine and Air Conditioning Source:  Chevrolet Service Technical Bulletin Bulletin No:  67-T-26 Section... Read More

Subject: Throttle Return Spring KitModel and Year: 1957 Chevrolet Corvette Fuel Injection 7014360Source: Rochester Products Field Service BulletinBulletin Number: B-F1-10Date: 3/6/57 APPLICATION: CHEVROLET CORVETTE FUEL INJECTION 7014360 SUBJECT:... Read More

From Jim Ingle, GM Powertrain Engineer:"The problem you're most likely experiencing is a noisy crankshaft pilot bushing. There is a later design released for service that tends to retain grease better than the one you have and therefore doesn't... Read More

Model Year: 1984 CorvetteSubject: Oil Dipstick Hitting Crankshaft on 5.7L L83 EngineSource: Chevrolet Dealer Service BulletinBulletin Number: 84-32, Section 6A (VI)Date: Dec., 1983TO: ALL CHEVROLET DEALERSCertain early production 1984 Corvettes have... Read More

Model Year: 1986-87 CAMARO, CORVETTE WITH PFI ENGINES (VIN CODES F AND 8) Source: Chevrolet Dealer Service Bulletin Bulletin Number: 87-99, Section 6E Date: April 1987 TO: ALL CHEVROLET DEALERS CONDITION: There have been reports of... Read More

Check Gages Light, Battery Voltage Low, Accessory Drive Belt Slipping or Missing (Install Crankshaft Balancer and Washer from WPC) Bulletin Number:  05-06-01-001B 2005 Chevrolet Corvette with 6.0L Engine (VIN U - RPO LS2) Built Prior to VIN... Read More

Big Block Chevrolet Crankshaft Specifications   Casting #EngineForged/CastStrokeRear Main SealNotes 6223 396 / 402 / 427 Forged 3.76" Stroke 2-piece 1053 steel 7115 396 / 402 / 427 Forged 3.76" Stroke 2-piece Nitrided, cross drilled, 5140... Read More

Small Block Chevrolet Crankshaft Specifications Casting #EngineForged/CastJournalStroke of crankRear main seal 1130 327 Forged Medium 3.25" 2-piece 1178 302 Forged Medium 3.25" 2-piece 1181 305/350 Cast Medium 3.48" 2-piece 1182 350 Forged... Read More

Subject:  Improved Harmonic Balancer AttachmentModel Year:  1962 High-Performance VehiclesSource: Chevrolet Service and Mechanical Department - Product Engineering Technical Information - 1962 Product Data BookDate:  April 9,... Read More

Source:   GM TechLink Date:   February 20, 2014 The 4.3L, 5.3L, and 6.2L (RPOs LV3, L83, L86 and LT1) direct injected (DI) engines (Fig. 14) available on some 2014-2015 Corvette, Silverado 1500, Suburban, Tahoe, Sierra 1500 and Yukon... Read More