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| Another 4door Cummins candidate.. http://machopowerwagon.com/phpBB3/viewtopic.php?f=27&t=1463 |
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| Author: | jimbob [ Sun Jun 26, 2011 4:20 pm ] | |||
| Post subject: | Another 4door Cummins candidate.. | |||
Found another nice '78 Crew cab 2wd, originally 6cyl, 4speed 4.10 truck, now a 383 4bbl, A833 4speed truck. Have a '93 cummins donor truck with a 5speed, have either a Dana70 3.07 gear or Dana 80 dually 3.55 gear. What do 250 crew cabs come with, dana60 rear? What to do? -J
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| Author: | palomino [ Sun Jun 26, 2011 11:13 pm ] |
| Post subject: | Re: Another 4door Cummins candidate.. |
yes, it would have a dana 60 rear in it.... if it were me....I would go with the 3.07 rear end...have awesome fuel mileage, and pull in 4th gear....have 5th for going home... |
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| Author: | jimbob [ Mon Jun 27, 2011 2:18 pm ] |
| Post subject: | Re: Another 4door Cummins candidate.. |
What's the gear ratio on the 5speed OD? Is it higher than the auto? I know the OD auto A518 is like .69? Could a guy get 22-25mpg with a 3.07? I think adding a dually would only add weight, and decrease mpg eh? |
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| Author: | palomino [ Mon Jun 27, 2011 7:50 pm ] |
| Post subject: | Re: Another 4door Cummins candidate.. |
the auto o/d ratio is better, if you can get a good converter.... yes, 22+ is not out of the question... |
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| Author: | jimbob [ Tue Jun 28, 2011 9:23 pm ] |
| Post subject: | Re: Another 4door Cummins candidate.. |
Thanks Sam, I think I'll do that 3.07 gear. My '92 cummins auto 4x4 is a great for the winter and pulling trucks off the hillside but man it's a rough ride, the 2wd trucks ride so much nicer for highway driving... Those autos must have pretty loose torque converters, they're kinda of a dog but they always pull just can't be in a hurry.. -J |
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