Thread: 351 V6 swap to 478 V6
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Old December 20th, 2013, 07:34 PM
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Default Re: 351 V6 swap to 478 V6
5500 GMC:
Do you have the flywheel for the 478? That will be different from the 351. The 478 is externally balanced and the 351 is internally balanced.
regards,
Steve
New Orleans
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