If you are not going to put a power adder on it, then get the shortblock form Ford Racing. If you want to keep the power under 800 then go for the sportsman block, it is a lot cheaper then the 4 bolt main R block.
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-1993 Mustang, 900rwhp 03-04 cobra based 4v swap, full Griggs setup, project underway
-1994 Ranger w/ 427cid windsor (daily beater)
check it out!
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