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Old July 17th, 2018, 05:56 AM
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TJ's GMC TJ's GMC is offline
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Join Date: Mar 2015
Location: Cave Junction, Oregon
Truck: 1964 GMC 1500 LWB Wideside 305E V6.
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Default Re: Towing capability

It'll tow it, won't do it fast but it will. Have towed 10k with my 64 3/4 ton and getting up to 55 was no problem. Took time but on level ground it did it. Pulling a hill downshifting to 3rd at full throttle is Not uncommon....but even on a 95 degree day the motor hardly warmed up. Stopping is the biggest concern.....even 10k coming to a stop takes effort and requires scheduling ahead of time.

Unfortunately alot of these bigger v6's are going for outrageous prices so I'd consider a gear splitter.....don't see those every day and road ranger makes one for the sm420's.

Most of the loads I hauled or more like this. She still does it with ease.
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"Excuse the rust I use my truck"
1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust.
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1964 Chevy C20 292/SM420
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