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| | | | Joined: Feb 2015 Posts: 273 Shop Shark | | Shop Shark Joined: Feb 2015 Posts: 273 | Hey guys,
53 3800 1 ton DRW.
The truck will end up with a 250 engine
SM420 Trans
8R-19.5's
14 bolt rearend
Question:
Is 4.11 gonna be the desired ratio or will something numerically lower be better or OK. I.E 3.73 or even a 3.42 that I have already.
Probably see more back roads than highways and it will pull a trailer at some point. (3000 lb tractor on the trailer).
Thanks,
Larry W.
1953 3800 Dually Flatbed
| | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy Mrf1002u, with your tire choice and probable work load I would stay with the 4.11 ratio. | | | | | Joined: Jan 2008 Posts: 4,961 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,961 | I wouldn't go any faster than 4.11 or you will wind up with a gutless dog. | | | | | Joined: Jul 2015 Posts: 203 'Bolter | | 'Bolter Joined: Jul 2015 Posts: 203 | I'd do 4.11s. Actually with tall tires my 5.13s did better at 50-55 mph on my truck. And in your case trailer brakes
1953 GMC 1-Ton Pickup with 350 and 700R4
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