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Old 02-16-2010, 07:34 AM   eBay Motors  #1 (permalink)
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gas to diesel conversion information

I kinda in the research process and testing the water on this idea. I'm wanted info on a gas to duramax diesel conversion. Whats the process of this besides swapping the engine and trany? What about the truck frame for the weight of the diesel engine? Its a 90 C2500 chevy 8 lug 2wd 8600 gross weight.
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Old 02-16-2010, 07:48 AM   eBay Motors  #2 (permalink)
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It would probably cost more for the swap than it would to just go out and buy a used duramax.
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Old 02-16-2010, 07:51 AM   eBay Motors  #3 (permalink)
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Even if the duramax engine and trany needed rebuilt before the swap and I did the rebuild work myself?
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Old 02-16-2010, 07:56 AM   eBay Motors  #4 (permalink)
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A full rebuild costs almost 4 grand for the engine alone. Trans is another 3K. Then you need the rear end, dash cluster, ecm, tcm, bcm, driveshaft, wiring harnesses, and other misc items. Royal PITA if you ask me.
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Old 02-16-2010, 08:34 AM   eBay Motors  #5 (permalink)
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Best route would be a 12 valve cummins swap. Takes like what 3 wires to make it run? and all of the parts needed for a swap are readily available in the aftermarket community. It would be a much easier swap, and it's very common in that generation of chevy's. I've got a 95 3/4ton 2wd just begging for one
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Old 02-16-2010, 09:55 AM   eBay Motors  #6 (permalink)
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Whats involved in the v8 cummins swap then?
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Old 02-16-2010, 05:41 PM   eBay Motors  #7 (permalink)
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It's not a v8, the engine you'd want is an inline 6 cylinder. One of the best diesel engines out there. There's a couple different forums dedicated to just cummins swaps into other vehicles. The one I know of is called 4btswaps.com there should be tons of info out there in that site alone. Plus links to vendors who carry all the parts necessary to make it work.
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Old 02-16-2010, 05:55 PM   eBay Motors  #8 (permalink)
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so the 5.9 is a inline 6?

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Old 02-17-2010, 06:49 AM   eBay Motors  #9 (permalink)
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Yes. The motor you would want is a 12 valve Cummins from the mid 90's. They are extremely simple and have no computer controls. Like Jesse said, it takes very little to get one to run in any vehicle. Much easier and less $ than a Dmax swap.
We're not trying to say it cant be done or discourage you in any way. But in reality putting a Dmax in anything other than a GM pickup is a little hairy and not very easy.
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Old 02-17-2010, 06:52 AM   eBay Motors  #10 (permalink)
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my vote is a 12 valve, but you will have about 5 grand in the coversion.... ask me how i know
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