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Old April 20th, 2020, 07:32 PM
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sclor sclor is offline
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Join Date: Jan 2013
Location: New Orleans, LA
Truck: 1966 GMC 1000 series fenderside
Posts: 202
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Default Re: Engine swap on 65 GMC 2500 305 V6

You are in luck. Everything other than pistons and crank should interchange. Your 351 should be the small port version, typically a 351c.
Regards
Steve
New Orleans
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