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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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L
There are 12 entries in the glossary.
Pages: 1
Term Definition
L-engines
L36 390 hp version of 427, used 1966 - 1969
L46 350 hp version of the 327 from 1965-1968.
L48 Base engine in Corvettes from 1972-1979. While most feel it is a dog, it had average performance and was still a basic small block Chevy, so much could be done to enhance its performance. Basically, it was a standard 350, 8.5:1 compression, dished pistons, low performance cam, low performance heads.
L68 400 hp version of 427 in Corvettes from 1967 to 1969. This was basically the 390 hp 427 with a Tri Power on top.
L71 435 hp version of 427 from 1967-1969. The L71 used three 2 bbl Holley carbs on a low rise (almost flat) manifold with a triangular shaped air cleaner.
L72 425 hp version of 427 in 1966. This was originally rated at 460 early in the year and changed to 425 hp.
L75 300 hp version of 327 in 1963 to 1965 with a hydraulic cam.
L76 340 hp version of 327 in 1963, 365 hp version in 1964 and 1965. These had solid lifter cams.
L78 425 hp version of the 396 used in 1965 Corvettes.
L79 350 hp version of the 327 from 1965 to 1968 with a hydraulic cam.
L81 190 hp version of the 350 in 1981.
L82 The performance 350" motor used in the 70s until '81. Iron heads, various HP ranges up to 235hp, good cam (even by aftermarket standards). The L82 had a 4-bolt main block, forged flat top pistons, a good cam, and wide power range from about 2000 rpm to 5500 rpm. (bj)
L83 The L83 is the base, and only engine, in the '82 and '84 Corvettes.
L84 The fuel injection engine in the Sting Ray.
L88 Listed as a 430 hp 427, this was the factory race engine from 1967-1969. It featured aluminum heads, 12.5:1 compression, a single Holley on a high rise manifold, a special hood required to clear the additional height, and a list of required options. The 430 hp rating as at 4000 rpm so as to appease the insurance companies and to steer clear those customers who simply bought the highest horsepower without any knowledge of what the engine or car was. This was intended strictly for competition and was derated to avoid problems with pseudo racers of the street. With this option, the radio and heater were deleted.
L89 An aluminum head option on the L71 435 hp engine from 1967-1969. Correctly, it is the L71-L89 engine as stated on the order booklets.
L98 engine used from 86 until the LT-1 came out (about '91?). This is the "old" small block design (first gen) with some mods (such as the one piece rear main seal). L98 also refers to the Corvette aluminum cylinder heads. This engine used electronic Tuned Port Injection.
 
Larry ShinodaLawrence Kiyoshi (Larry) Shinoda (March 25, 1930November 13, 1997) was a noted automotive designer who was best known for his work on the Chevrolet Corvette and Ford Mustang.
 
liquid crystal displays

The Corvette C4 came standard with an electronic dashboard with digital liquid crystal displays for the speedometer and tachometer.

 

A liquid crystal display (LCD) is a thin, flat panel used for electronically displaying information such as text, images, and moving pictures. Its uses include monitors for computers, televisions, instrument panels, and other devices ranging from aircraft cockpit displays, to every-day consumer devices such as video players, gaming devices, clocks, watches, calculators, and telephones.

 
LS1350 in the C5 Corvettes. It is a new design, different from the old small blocks of 1955 to 1991.
 
LS4454 in passenger cars. This engine had oval port iron heads, iron intake, Quadrajet carb, hydraulic lifter cam, and low compression. It made a lot of torque.
 
LS5454 in 1970-1972 Corvettes, rated at 390 hp in gross hp in 1970, 365 hp in '71, and 270 hp SAE Net in '72. This engine had oval port iron heads, Quadrajet carb, hydraulic lifter cam, and low compression. It made a lot of torque.
 
LS6This is a big block motor with tons of power. Also used in Chevelles and other muscle cars. This 454 was only available in '71 in Corvettes as a 425 hp version with aluminum heads. (bj) The engine had rectangular port aluminum heads, aluminum intake, Holley carb, solid lifter cam, and high compression.
 
LS7454 crate motor that was never released in a production car. It was on the option list of 1970 as a 460 hp 454. The engine had rectangular port aluminum heads, aluminum intake, Holley carb, solid lifter cam, and high compression.
 
LT-1

Commonly called second-generation small block Chevrolet V8. (Reality is that several design generations of SBC existed prior to the LT-1.) To add to the confusion, the LT1 designation was also used in '70 on a motor. It features a new block design with 350 cu.in., overhead valve motor (i.e. cam in block, pushrods, etc.), reverse-flow coolant design (coolant to heads first), improved water pump design, improved ignition system, other small improvements as well. Obviously it bears little in common with the first LT1 motor (first gen block, iron heads). This LT1 was also a monster motor in its day! The second generation LT-1 was the standard engine in 1992 to 1995 Corvettes and the engine for automatic transmission cars in 1996.

 

 
LT-4The successor to the LT-1. Not sure of all the improvements, but hp is 340hp (LT-1 in Corvette trim is 300hp, 275hp in Camaros). Only available with the 6 speed in the '96 Corvette.
 
LT-5The ZR-1 motor, built by Mercury Marine. 350 cubic inches, 4 cams, 4 valves per cylinder, etc. Originally 375hp, moved to 405 in 92
 
LT1

The first generation LT1 was the 370 hp small block of 1970, featuring a high rise aluminum intake, a Holley carb, high lift camshaft, special heads, and high compression.

 

The second generation LT1 was the standard engine in 1992 to 1995 Corvettes and the engine for automatic transmission cars in 1996. 

 


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