Without putting anyting on the Dyno. Compare the weight of old cars vs new. Simple reasoning shows those old heavy Mustangs faster,running lower ET's. And with less Horspower? A "full house" 289 in 1966 pushed 400 Hp. and could be had as an option. Ford did choke the Boss 429 with a lousy cam. It would still run with the 428 though. Im not slaming anyone but to much data to support more Hp.
[This message has been edited by mustangII460 (edited 05-27-2000).]
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