Thread: 1966 GMC 305 V6 Service
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Old 04-15-2013, 01:33 AM   #9
Rufton
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Join Date: Apr 2013
Location: Knoxville TN
Posts: 1,170
Re: 1966 GMC 305 V6 Service
Crankshaft is huge and weighs a ton.
Bore starts at 4.25"
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