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Steak truck conversion project

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Old Mar 31, 2010 | 08:06 PM
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Steak truck conversion project

Im looking at possibly swapping my 1994 7.3 turbo diesel engine into a 1978 gmc 7000 steak truck with a 427 gas engine. I am looking for opinions and advice before I go ahead with this project to make sure its worth while. I will be pulling a fair bit of weight most likely max of 30 000lbs. combined truck and trailer. Looking at transmission options, differential gearing, etc. What do you guys think?
 
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Old Mar 31, 2010 | 08:09 PM
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well why don't you get something like a dt466 or something like that because you can get a little better options in the tranny dept etc
 
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Old Mar 31, 2010 | 08:21 PM
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I want to get rid of the gas engine because of emission standards here in Ontario and my truck is rotted out and I would like to make use of the engine. The engine is where if put a lot if time and money in upgrades so I don't plan on getting rid of it anytime soon.
 
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Old Mar 31, 2010 | 08:29 PM
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well , tell me your specs than.... tranny with the 7.3l....
 
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Old Mar 31, 2010 | 08:34 PM
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the 7.3 has the e4od behind it right now, I was thinking maybe an allison 545?
 
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Old Mar 31, 2010 | 08:37 PM
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I would definitely go with something upgraded... you could always get a 6spd to go with this... I would also beef up the motor slightly... I know your going to have to do alot of fabbing for these to fit but if your up to the task than God-speed
 
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Old Mar 31, 2010 | 09:02 PM
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You do mean STAKE truck don't you? or are you really hauling cows?
 
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Old Mar 31, 2010 | 10:07 PM
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that's a lot of weight.
make sure you have a CDL.
dunno about the trans,but id run the snot out of the E40D since you have it.when she blows,then swap in a 5 speed,or heck just get another one.
run something like 4.80 - 5.30 or something for gears.that truck probably already has some steep gears anyway.she'll haul her.
 
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Old Mar 31, 2010 | 10:13 PM
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If your gonna go auto, I would go with the 545 or heavier. Yhese motors were in international medium duty rigs, so I am sure the bell adapter can be changed and some heavy trannys can be used.
 
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