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Old 08-14-2008, 05:54 PM
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diesel turbo on gas

hi everyone i was waundering if you could run a turbo of a diesel on a gas. i have a bunch of turbos off 5.9l cummins. building a v10

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Old 08-14-2008, 08:33 PM
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diesel turbo on gas

Quote:
Originally Posted by billlt583
hi everyone i was waundering if you could run a turbo of a diesel on a gas. i have a bunch of turbos off 5.9l cummins. building a v10
Don't see why not ,exhaust gas is exhaust gas ,don't matter if it's gas or diesel, turbo won't know the difference. The only thing that I can think of that could be a problem is the sizing of the turbo. I think I would do a little research on the sizing and go from there.
Good Luck

Kenny

Lost your job yet?
Keep buying foreign.
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Old 08-15-2008, 06:36 AM
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no

no ...well i gues you can but the turbos on cummins motors are very slow winding and are not made for the rpm's they will see gass engines typicaly run about 15% more rpms and they wind up and down more often point is you can it just wont last long and wont perform well ... get on ebay buy a cheap one and try it you can get them for under 250 new!!! even if you blow 2 or 3 you still dont spend what a good one would cost
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Old 08-15-2008, 03:42 PM
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I would not buy a Cheap Chineese Turbo, they last a few thousand miles at best, and generally are not worth rebuilding after.

The Cummings 5.9 would have a Holset HX 35, some of them have variable vane setups and will not work, but the others will work. however, the HX 35 will not be big enough for a V10, as a single anyway, as it's designed to be spooled by 2.5k RPM on a 5.9L V8, so it is undersized for a gas engine.. HX 35's are common to put on engines around 250-300 CI, so you could go up to 600 CI with 2 of them
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Old 08-15-2008, 03:48 PM
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Yes; turbos can be used on either fuel... but the chances that a turbo in hand are the right configuration for your setup are slim to nil. Its kinda like just putting in an unknown cam into an engine. Without knowing its specs, you might find out you just spent a few thousand in custom plumbing and oil lines only to find out its way off for your application.
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Old 08-15-2008, 04:07 PM
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well, it's a Holset HX 35 anyway. by itself it is too small for a gas engine over 300 CI.. but here is the compressor map for it. it is the pink line. http://www.turbobygarrett.com/turbob...mapCummins.pdf
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Old 08-15-2008, 09:43 PM
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I'm running an HX-35 on my 302 in my Ranger. It makes 15psi and spools almost instantly. I had two on my 327 in my Chevelle. They were a little slow to spool. They're now on a 454 in the Chevelle. I haven't started it yet. I have a single HX-55 on my 350 in my Jag. It's a little slow to spool and is a little overkill, but it drops jaws when I open the hood. It doesn't match the map listed above, but according to Holset the 35 flows 60.72 lbs/min at 3:1. The 35's are quite a bit larger than a t-4. At least the one I have. I'm no expert, but I would start with a smaller turbo and upgrade if it's not big enough.

Kevin

Last edited by KA67_72; 08-15-2008 at 09:49 PM.
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