Thread: COPO ZL1 with the yenko performance pakage.
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Old 06-25-2014, 03:12 AM
Tracy Tracy is offline
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Default Re: COPO ZL1 with the yenko performance pakage.
I was under the impression that headers, high rise, carb and other high performance upgrades were involved in the YENKO performance upgrade for a zl1. maybe I'm chasing ghosts here but I really think this car exist.
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