Re: 6.2 diesel into 1971 350 1/2 ton
I got the th400 torque converter bolted up, 350 trans installed and motor mounts all bolted in. I now have to make mounts for alternator, power steering p/p, all from 350 motor and hook up aftermarket 5 micron diesel fuel filter, return line to fuel tank, and vented cap, then fire it up. Then i can enjoy the fuel economy of the diesel, hoping to get 24 mpg (canadian gallon). This truck is swb with 3.73 rear end, th 350 trans, th400 torque converter and 6.2 diesel military n/a, it should run about 2200 rpm at 55 mph. These motors seem to get best mpg at around 1600-1800 rpm and I will eventually install 700r4 trans to get 1600 rpm when th350 gives out to get motor at this low of rpm and get 28 mpg, or go with just a 3.08 rear end to run 1800 rpm. I can also now run farm fuel with is 30 % cheaper than gas per gallon, this would be like getting 32 mpg without even changing the rear end or th 350 transmission.
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Last edited by chevy88; 03-25-2013 at 06:34 AM.
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