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Old Aug 25, 2005 | 03:44 PM
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undertaker1979
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351m

Ok i have no idea about this but i have a 351M motor i am rebuilding it and i want it to become a 4 bolt main i know it has the extra space there but what main caps do i buy just the ones for a 351c or what. Thank you for your help
 

Last edited by Torque1st; Aug 25, 2005 at 03:47 PM.
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Old Aug 25, 2005 | 03:48 PM
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Torque1st
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Moved to proper forum.

Check with user TMI for 4-bolt caps. You would want to rebuild it as a 400 also for any kind of performance application. The 351M is all wrong internally for performance. The pistons are too heavy and the rods are long which limits RPMs. The 400 still has long rods but it uses them effectively for torque. If you want RPMs check out a 351W.
 

Last edited by Torque1st; Aug 25, 2005 at 03:53 PM.
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