May 1st, 2020, 08:56 PM
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Junior Member
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Join Date: Apr 2020
Location: Herrin IL
Truck: 1965 GMC 2500
Posts: 13
Rep Power: 29
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Re: Engine swap on 65 GMC 2500 305 V6
Here is a major difference in the block of the 305 and the 351. The 305 has a stud in the block on the right side near the timing cover that the motor mount bracket fastens to. The 351 has a pipe thread fitting in a hole in the same location.
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