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Reply to "engine number on ID tag"

...My opinion on 4 Bolt Versus 2 Bolt Main Caps, Is: Do You really believe Ford would spend Millions of Extra Dollars to drill and Tap 10 Mores holes in the Block, if 'IT' made NO difference?? Yes! The 4 Bolts ARE Stronger, More Rigid, Period! I put in My Machinist Reputation to Back that Up! If You are like some of those so-called 'engine builders', who will put thousands of Dollars into a 2 Bolt Block; then 'Have at It!'. My Opinion is You will finish with a 'Second Level' Engine. By the way My '74L #5723 came, Originally, with a 4 Bolt Main, Engine. And I recommend using ARP Main Cap Studs...
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