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Old 03-30-2020, 03:21 AM   #2
raylube
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Join Date: Jan 2012
Location: Preston Idaho
Posts: 277
Re: 305V6 differences

I never done it before but pretty sure it can be done. On the block in front of the right side head will identify the cubic inches and whether it's a A,B,C D,E engine. Give that to the folks on the 6066 gmc forum. They should be able to help.
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