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Chevy engines: Opti-spark distributor…

July 23rd, 2009
The Opti-spark distributor is positioned on the front of the engine underneath the water pump, and works well in its designed environment, when it works. It isn’t a matter of if your Opti-spark will give you problems, it’s more a matter of when. When the Opti-spark first came out in 1992, it was part of [...]