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Old 07-15-2012, 06:23 PM   eBay Motors  #1 (permalink)
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Chevy Cummins/Allison conversion

I got a few questions, I picked up a 94 chevy dually cheap no motor no trans, looking to do a cummins/allison conversion in it, wondering if anybody has had luck doing one with a allison with out spending an arm and leg getting the stand alone computer. The motor and trans is out of an old FEDEX truck and I do have access to the truck still. I realize I will need the computer out of the fedex truck and wiring to shift the trans. I am in the dark when it comes to wiring and the making the tranny work in the truck. Basically looking for any ideas and pointers before I start for that part of the job. Thanks for all advice and help. Ryan
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Old 07-15-2012, 06:41 PM   eBay Motors  #2 (permalink)
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Why you want to put a cummins in a Chevy?
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Old 07-15-2012, 06:50 PM   eBay Motors  #3 (permalink)
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because the allison I have has the cummins bellhousing and I can get a motor cheaper than I could buy a 454 for and a 6.5, well we won't even go there with them...
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Old 07-15-2012, 06:54 PM   eBay Motors  #4 (permalink)
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You should contact painless wiring harnesses they should be able to make you a custom harness to work in that truck with that motor and trans.I would put a d max in it but hey thats me and stumpman lol.J/K i know you have the cummins already
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11.64 @117
Originally Posted by hllbllylmsne
Sounds like you screwed up the seat to steering wheel linkage, no real fix for it, sorry
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Old 07-15-2012, 06:57 PM   eBay Motors  #5 (permalink)
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lol trust me I would love too but the funds just aren't there right now for it
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Old 07-16-2012, 10:17 AM   eBay Motors  #6 (permalink)
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This should help you out:

My build thread: Project Red Betty
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Definitely build the transmission. Going into limp mode while trying to outrun a tornado would be counter productive!!!!
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Old 07-16-2012, 03:13 PM   eBay Motors  #7 (permalink)
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Quote:
Originally Posted by stumpman750 View Post
Why you want to put a cummins in a Chevy?
did you read that the chevy in question is a 1994? Really, on the old body style GM trucks, its probably easier to put a mechanical cummins in than a duramax or something.
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Old 07-16-2012, 05:48 PM   eBay Motors  #8 (permalink)
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Quote:
Originally Posted by duratothemax View Post
did you read that the chevy in question is a 1994? Really, on the old body style GM trucks, its probably easier to put a mechanical cummins in than a duramax or something.
If you can put a d max in a Buick Grand national,you can put 1 in a 94 chevy alot easier.To each his own im a chevy dmax guy is all,i believe the same of stumpman.All in good fun no biggy.
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04 CCSB LB7 IIs483 over IIs366,carillos,cut and coated lb7 slugs,ported heads,RDL downpipe uppipes manifolds ,efi live with dsp5,Big Dipper stage 4,4 inch out the back, ram air keystone hood,US Speedoo fox racing shocks cluster,rolling on hummers,and wraped in silverbirch. And some wicked tunning from Bo-Bo (Bob Olson)
11.64 @117
Originally Posted by hllbllylmsne
Sounds like you screwed up the seat to steering wheel linkage, no real fix for it, sorry
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Old 07-16-2012, 06:39 PM   eBay Motors  #9 (permalink)
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We put a lly duramax in my 1997 Chevy, was a lot of headaches but definitely worth it
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Old 07-16-2012, 07:05 PM   eBay Motors  #10 (permalink)
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We put a lly duramax in my 1997 Chevy, was a lot of headaches but definitely worth it
Thatsa awesome do you have any photos or a build thread on it?
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04 CCSB LB7 IIs483 over IIs366,carillos,cut and coated lb7 slugs,ported heads,RDL downpipe uppipes manifolds ,efi live with dsp5,Big Dipper stage 4,4 inch out the back, ram air keystone hood,US Speedoo fox racing shocks cluster,rolling on hummers,and wraped in silverbirch. And some wicked tunning from Bo-Bo (Bob Olson)
11.64 @117
Originally Posted by hllbllylmsne
Sounds like you screwed up the seat to steering wheel linkage, no real fix for it, sorry
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