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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

From Jim Ingle, GM Powertrain Engineer (this question was asked in terms of adding Mobil 1 to a ZR-1 after engine break-in):"There is probably more misunderstanding of lubricants and "old wive's tales" about them than any other automotive issue. A... Read More

Description:An in-depth look at how Corvette performance numbers are generated by the Corvette Development team. This article was written by Jim Ingle who used to be a Corvette Powertrain Engineer.Excerpt:"This is another discussions best illustrated... Read More

Description:An excellent look at the differences between horsepower and torque and how each rating is achieved during engine development by Corvette Powertrain Engineer, Jim Ingle.Excerpt:"Two views of the same measurement are involved: power and... Read More

Best All-Round: We Test the Goodyear F1 GS-D3 It's one thing for an ultra-performance tire to work well when the road is dry. It's another for an ultra-performance tire to work well in both wet weather as well as in the dry. Relatively... Read More

Model Year: NASubject: Cleaning, Coating and Painting of Aluminum WheelsSource: Chevrolet Dealer Service Information BulletinNumber: 80-I-83, Section XDate: October, 1980To: All Chevrolet DealersAluminum wheels can be cleaned, coated and painted... Read More

Subject: Removal of Tight WheelsModel and Year: All Passenger CarsSource: Chevrolet Service BulletinBulletin Number: Number 85-28, Section 3E (X), Feb., 1985 TO:  ALL CHEVROLET DEALERS Sometimes wheels can be difficult to remove from the car due... Read More

By John Hinckley, Corvette Enthusiast MagazineUsed here with permission.Copyright John Hinckley, Corvette Enthusiast MagazineTHE OBJECTIVE of this article is to show you the “right” way to rebuild/re-arch Corvette leaf springs, and to... Read More

By John HinckleyUsed here with permission.Copyright John HinckleyIn this day and age, when modern automotive powertrains are computer-controlled and engines don’t even HAVE distributors any more, the knowledge of what distributors did and how... Read More

By John HinckleyUsed here with permission.Copyright John HinckleyThe objective of this article is to show how to verify the operation of these systems and make necessary corrections at home, using ordinary tools; there’s no need for a classic... Read More