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Opti Spark ?

Joined
Feb 25, 2003
Messages
887
Location
Clarksville, Tennessee
Corvette
1979 Bright Red L-82
What does the opti spark do ? What year Vetts did they come out on?:confused
 

wx briefer

Well-known member
Joined
Dec 24, 2002
Messages
225
Location
Athens, Alabama
Corvette
LT4 - Cam, exhaust,intake / '03 Z06 caged/ '19 ZR1
The opti spark is the 'distributor' on the LT1/4 engines. It sits perpendicular to the engine front cover. It resides below the water pump and is driven off of the cam shaft. It is a bear to change and is usually changed during the installation of a new water pump that usually happens around 50 to 70k miles.
 

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