Classic Mustangs (Tech)Technical discussions about the Mustangs of yester-year.
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use the 289 rotating assembly in the 302 block, thats the best combination as the cylinder walls go down a little further in a 302 than in the 289's which equals better piston stability. plus, the 302's are a dime a dozen.
also, PLEASE upgrade your rods bolts. i cannot stress how important it is to recondition your rods and upgrade the bolts to some 5/16 arp's (drilling out for 3/8 is a bad deal). also spend the 20 bucks on a arp oil pump driveshaft.
other than that i think you'll have a great running motor as long as those heads dont fall apart on ya
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