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Old 07-11-2013, 11:05 PM   #3
Toby
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Join Date: Aug 2012
Age: 36
Posts: 459
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I would go the 351 route since the factory block is stronger. Assuming you are not going to buy a dart block. But if you are then hands down go with a 347 ci 3.25 stroke 4.125 bore.
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