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Old February 27th, 2004, 07:50 AM
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k8icu k8icu is offline
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The cummins diesel is a great motor. Not sure about the trans though. If you could make the cummins work go for it. I am not sure so don't hold me to this and I'm sure someone else will know better, but couldn't you mate a GM trans to the cummins? Wondering minds want to know...
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Old February 28th, 2004, 04:25 AM
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Barrman Barrman is offline
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On all 93 and newer Dodge Cummins mated to a 5-speed. The trans is a NV4500. The input shaft is different than the gas ones, but it is a NV4500.
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Old March 2nd, 2004, 05:45 PM
devildog devildog is offline
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The cummins b block 4 and 6 cylinder engines have an adapter plate that bolts to the back of the block. If your engine comes out of a Chevy chassis step van it will bolt to a Chevy trans. If you use a 700 r4 the bolt pattern on the flex plate is for the Chevy 400 auto torque converter so you will have to redrill for the 700 torque converter or use the 400 torque converter, either option is OK. If your engine is from a Dodge it will be the Dodge bolt parrern. I am sure Cummins also makes adapter plates for SAE bolt patterns and other bolt patterns also. It would be possible to take a Chevy 4b engine and change to a Dodge addapter and run a Dodge tranny or the other way around and run a Chevy tranny on the 6b Dodge engine or one of many other combos. The point is, running the combo you want is an easy change providing you can locate the adapter plate and flywheel/ flexplate you are looking for for a reasonable price. Try a schoolbus junk yard if you want a good strong non overdrive auto, alot of Allison transmissions available there, they are an SAE bolt pattern I believe

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Old March 3rd, 2004, 05:38 AM
Nuke_spicergear Nuke_spicergear is offline
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Yes, the Allisons have an SAE ring, I'm unsure of the # size though. Maybe #3.
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