Quote:
Originally Posted by JeremyDuncan
As delivered..........
1969 COPO 427 ZL1 Camaro's were 12 second cars as delivered......
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The ZL1 was not "dragstrip ready" as delivered. Do those modifications and it ran A LOT better. Add 50+ years of rule changes and it's rated only 15 HP above the factory rating. Do you have dyno numbers that you can share on that combination? It was competitive in 1969 with very few modifications and I believe it's still competitive at it's current rating?