Thread: 637 ci
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Old May 2nd, 2020, 01:37 AM
2-Ton 2-Ton is offline
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Join Date: Feb 2013
Location: Mokane, Mo.
Truck: 1967 GMC 9500 COE Ladder/Pumper with the 637 gas V-8
Age: 68
Posts: 47
Rep Power: 81
2-Ton is on a distinguished road
Default Re: 637 ci
Started my 637 today. It's in a 1967 GMC ladder truck.
The 637 came out in 1966, it replaced the V-12 twin six.
Some on here don't like posts about the 637. They feel it does not fit in with the 60-66 group. I may have a shop manual on it though. Join "Stovebolt.Com", They will help you out a lot more!
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