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Old 11-04-2010, 04:16 PM   #9
m6z
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Join Date: Aug 2008
Location: Pittsburg, KS
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Re: How to tell the diffence in engine size????

Look at the flexplate/balancer. A 350 sbc is internal balance & 400 sbc is external balance. The 400 will have a counter weight on the balancer and flexplate.
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Last edited by m6z; 11-04-2010 at 04:17 PM.
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