Vintage Mustang Forums - View Single Post - Lost, Confused, Frustrated New member...70 Mach 1
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post #11 of (permalink) Old 07-04-2019, 01:08 AM
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Join Date: Nov 2009
Location: Frum Hear Two Their Eventually
Posts: 10,755
Originally Posted by awhtx View Post
Post some photos of the front part of the block and we can tell you if it's a Windsor or Cleveland.

Since you don't have the original engine this won't be a "concours level" car. If I were in the market for a non-concours '70 Mach 1 I would prefer a well built engine with adjustable rockers and pushrod guideplates exactly as the heads you bought have been set up.

A 351C 4V will blow through 300 hp on the dyno without even breaking a sweat.
A 351C 4V in my 66 mustang.
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