Time for the Shoehorn: It’s been a long time coming, but the 396ci LT1 is bolted into the B-body, wired for EFI, and strapped to the dyno I thought this day would never come. The joys of doing ...
Editor's Note: Way back in March of 1998, GMHTP ran "Opti-Spark" by Ray Bohacz, an engineering-level dissection of GM's Opti-Spark distributor. This evolutionary ignition component was a bridge ...
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