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Old 05-12-2014, 07:48 PM   #18
Dieselwrencher
6>8 Plugless........
 
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Join Date: Sep 2007
Location: Prairie City, Ia
Posts: 17,138
Re: Best auto trans for Cummins?

Quote:
Originally Posted by clinebarger View Post
Ford 5R110, I have a few customers running around at 500 hp with NO mods other than a good torque converter.

Allison 1000 6 speed, They do very well at 350/650.

47RE/48RE...Last a long time at stock power levels, The easiest & most cost effective solution.

4L80E's are not suitable for diesel applications, Even behind 6.5L's they seem to fail often, The Duramax in fullsize vans.....Though detuned still tears them up.
The only down fall of the 5r is tuning to suit the user. Using a PCS isn't a great choisce by the end driver, but using the ford PCM and sniper or SCT for tuning is a lot better and you can keep tow haul mode.
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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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