Post by Caddylack on Mar 4, 2022 16:52:31 GMT -6
This pamphlet gives you a basic rundown of how the Optispark ignition system works.
This is a unique ignition system that is used on both 5.7L LT1 and 4.3L L99 engines.
This is a MUST READ for anybody who plans to work on one of these engines.
Optispark Operation and Diagnostics.pdf (759.41 KB)
This is a unique ignition system that is used on both 5.7L LT1 and 4.3L L99 engines.
This is a MUST READ for anybody who plans to work on one of these engines.
Optispark Operation and Diagnostics.pdf (759.41 KB)