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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

Bore & Stroke Chart Small Block Engine EngineYearsBore DiameterStrokeRod LengthMain Bearing DiameterRod Bearing DiameterMain CapsJournal SizeNotes 262 1975-76 3.671 3.10 5.7 2.45 2.10 2-bolt Medium   265 1955-56 3.75 3.00 5.7 2.30 2... Read More

Chevrolet Small Block Head Casting Numbers Casting #Combustion Chamber Size (CCs)Intake ValveExhaust ValveProduction YearsMisc.Engine Size (ci) 10033867 62cc 2.02 1.60   over the counter 23 degree, angle plug, 196cc intake runner, aluminum ... Read More

#16-NA-363: Brake Cooling Deflectors/Ducts for J56 and J57 Brakes (Track Use Only) - (Feb 26, 2018) Subject:  Brake Cooling Deflectors/Ducts for J56 and J57 Brakes (Track Use Only) Brand: Model: Model Year: VIN: Engine: ... Read More

Subject:   Anti-Diesel Relay Model and Year:   (1971) All Passenger Cars and Light Trucks with Air Conditioning Except Vega Source:  Chevrolet Dealer Service Technical Bulletin Bulletin No:   71-T-44 Section: ... Read More

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

It should be noted that if your Corvette still has this problem, this Bulletin offers the exact fix with related wiring diagrams.  This repair work is NOT for the average "do-it-yourselfer" and should only be conducted by qualified service... Read More

Subject: Shipping Block Removal - 1975 Corvettes Shipped Via Rail Model and Year: 1975 Corvette Source: Chevrolet Service News Page Number: NA Date: October 1974, Volume 46, Issue Number 10 In order to provide a means of protection... Read More

Submitted by:  Howard Wolf and Steve Demirjian, co-patent holder of the Darton MID Sleeve Kit What's meant when you refer to a dry sleeve? In a normal dry sleeve installation, the sleeve is pressed into the block using an interference fit.... Read More

Subject: Gear Block-Out and High Shifting EffortModel and Year: 1963 1000 Series and Corvette with Muncie 4-Speed TransmissionSource: Chevrolet Technical Service BulletinNumber: DR #611, Section VIIDate: August 7, 1963 TO:  ALL CHEVROLET DEALERS... Read More