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daves71k5 · 06-17-2010, 11:51 PM

Just wondering, how does one know the difference between the 305 and 351? I have one in a 67 GMC and would like to know how to tell what I have. Thanks for any information anyone may have. Dave

06-17-2010, 11:51 PM	#6
daves71k5 Registered User Join Date: Jan 2002 Location: American Falls, Idaho-USA Posts: 318	Re: 1968 gmc v6 Just wondering, how does one know the difference between the 305 and 351? I have one in a 67 GMC and would like to know how to tell what I have. Thanks for any information anyone may have. Dave