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bore??

   
Old 01-17-2017, 05:29 PM
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bore??
my 413 is getting bored .030 over. so what would that make that motor? 426?
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Old 01-17-2017, 07:42 PM
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Old 01-18-2017, 08:39 AM
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You would need to increase your 413 bore of 4.18 + .070 to 4.25 for a 426.
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Old 01-18-2017, 08:52 AM
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One thing to remember is that 413s came with closed chamber head's so if you got stock replacement piston the 915 head is needed for compression.
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