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Re: Cummins swap, I know there is a search button but the info is burried in many thr
Quote:
Originally Posted by randy500
I’m not going to be able to measure the rear end today but found in pirate 4x that it should be about 69.5 wide which would make it about the same width as the front, might be usable, 4.1gesrs puts 65 mph rpm at 1850 rpm or so, I guess that would be ok, not ideal tho
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You'd have to have 35s to get the RPMs down to 1850 at 65mph with 4.10s with a NV4500.
I saw in your thread that you have 33s. The NV4500 has an OD ratio of .73. So with 4.10s and 33s you're looking at 1981rpm@65mph. 2133@70, and 2286@75. Not horrible. Better than with 235s for sure. Haha
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Ryan
1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread
1972 GMC Sierra Grande Longhorn 4x4
1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed
1972 C10 Suburban Custom Deluxe
1969 Chevy milk truck
1971 Camaro RS 5.3 BTR STG3 Cam Super T10
1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project
Tired of spark plugs? Check this out.
Last edited by Dieselwrencher; 12-07-2017 at 06:49 PM.
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