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Corvette Glossary


A glo ssary is an alphabetical list of terms in a particular domain of knowledge with the definitions for those terms. Traditionally, a glossary appears at the end of a book and includes terms within that book which are either newly introduced or at least uncommon.

This is our online version of Corvette jargon, specific terms, lingo, and much more. This is the Vettester Glossary.  Login, or register and submit your term to share them with all of us.

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There are 11 entries in the glossary.
Pages: 1
Term Definition
Ram HornThe exhaust manifolds on Chevrolet small block engines in the 50s and '60s had a design that looked similar to a ram's horns, going up and over the spark plugs. This style continued into the '70s on Corvettes, even though standard Chevy SBC had a manifold that was below the plugs and cam up to each exhaust port. The Ram Horn manifold is one of the best flowing manifolds around for performance.
Ram JetThe Rochester mechanical fuel injection system used on 1957 to 1965 Corvettes and 1957 Chevrolets.
Rat MotorSlang term for "big block" Chevy engines.
RegistryThe organization of owners of a specific year, model or series of Corvettes for the purpose of registering and sharing information about their vehicles.
RestampTo take an engine and stamp either a new number and letter identifier in a blank pad or to deck an engine to remove the existing numbers and stamp in the numbers you desire. As simply grinding off old numbers is easily detected, the more sophisticated shops now cut the block deck such that the correct, factory style broach marks are left on the block to appear original...If this were money or artwork, it would be called counterfeiting. In Corvettes, it is normal business for restoration, although highly unethical.

Often refers to the restamped engine. A restamp will never be the original engine, no matter how much the owner tries to convince anyone. There is only one original engine. See Matching Numbers.
RestorationThe act of returning something to its original or previous state. In Corvettes, it means building the Corvette to the specifications of either NCRS or the Bloomington Gold committee. Most view it as returning a Corvette to the condition that it left the factory in, although often the restored car is in much better condition. Often used with Frame On Restoration and Frame Off Restoration to indicate the state of disassembly the Corvette went through to be restored. Regardless, a restored Corvette should be in near perfect condition, just like it sat on the showroom floor 20 or 30 years ago.

Restoration is a much abused term used by anyone who fixes a Corvette up and tries to sell it. The common belief by the buyer is the car is restored to a new condition in the same way it left the factory but many sellers are actually just doing some work, like painting, interior replacement, or component repair and not a complete restoration. Often these components are not to the specifications of the original car, such as using a Borg Warner T10 in a mid '60s car or a 350 engine in a '68 or older car. Like matching numbers, you should always check this thoroughly yourself and never rely on the seller's word. See Matching Numbers and Restamp.
RoadsterEnthusiast (not Chevrolet) term for 1953 through 1955 Corvette.
Rock CrusherHeavy-duty, close ratio 4-speed manual transmission (RPO M22) available between 1966 and 1971.
Roger PenskeFormer C2 driver - Roger Penske (born February 20, 1937 in Shaker Heights, Ohio) is the owner of the automobile racing team Penske Racing, the Penske Corporation, and other automotive related businesses.
Route 66U.S. Route 66 (also known as the Will Rogers Highway after the humorist, and colloquially known as the "Main Street of America" or the "Mother Road") was a highway in the U.S. Highway System. One of the original U.S. highways, Route 66, US Highway 66, was established on November 11, 1926. However, road signs did not go up until the following year. The famous highway originally ran from Chicago, Illinois, through Missouri, Kansas, Oklahoma, Texas, New Mexico, Arizona, and California, before ending at Los Angeles, encompassing a total of 2,448 miles (3,940 km)

A Regular Production Option (RPO) is a General Motors standard coding for vehicle configuration options. These codes are a combination of 3 alphanumeric characters and refer to a specific option or modification to the vehicle. These codes signify how the vehicle is built during production and thus the specific configuration of a vehicle as it exits the factory up to and including the paint color can be described by specifying the base model and the complete list of RPO codes used during production. Even a vehicle with no extra-cost options will have some RPOs, as information like the the engine type and exterior paint color are always specified.

Well known:  ZR1, Z06, B2K


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