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Re: Best auto trans for Cummins?
It depends how much money you want to spend and how you want it to drive. Buying an adapter and trans controller for the 4L80E will run from $2000-$2500 depending who you get it from. The trans will need a heavier torque converter, and at least a good rebuild minimu. You can use a dodge 47rh and the over drive and lock up can be controlled by a dodge pcm, toggle switches, or pressure switches. You can use the dodge engine adapter and flex plate so cost there is less. The trans will need a heavier duty torque converter as well, and a rebuild. You'd need a tcase with a 23 spline input to work with the dodge trans as well. So, it really just depends on what you want to spend and such.
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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
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