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nonstop · 03-17-2017, 12:07 AM

Could it be a GMC 637? That was a V8 offering in the 60's and 70's. What year is the truck?

03-17-2017, 12:07 AM	#10
nonstop Registered User Join Date: Dec 2014 Location: Northern California Posts: 422	Re: 632 engine Could it be a GMC 637? That was a V8 offering in the 60's and 70's. What year is the truck?