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installing a turbo on a non-turbo motor

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Brad in WI

02-26-2006 22:17:57

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I am looking into installing a turbo on my MD. What will the effects of running a turbo on the engine that is not designed for one. The engine was overhauled about 8 years ago (200-250 hours) and it was a complete. And also could some of the guys who have them mounted try to post some pics of how it is plumbed in and how the oil lines (to and from) are tied into the system. Sorry for the long post just want to do it right if it will not cause dramatic problems to the motor.
Brad

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JSB

03-01-2006 13:05:50

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Re: installing a turbo on a non-turbo motor in reply to Brad in WI, 02-26-2006 22:17:57

I would look for a 400D-450D head.

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Jason Simmerman

02-27-2006 22:18:26

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Re: installing a turbo on a non-turbo motor in reply to Brad in WI, 02-26-2006 22:17:57

You really want to watch EGT's on that. The MD heads have enough of a problem with cracking as it is. Pushing the EGT's or (exhaust gas temperatures) even higher is asking for trouble. It can be done, and the limiting factor I don't think is going to be the bottom end of the motor, it's gonna be the head. Everything should be pretty straight forward. Also on the turbo oiling. Talk to the turbo manufacture before you just go off and try something. The oil line has to be a certain size for both drainback and input. I've seen a couple turbos have the bearings tore up from overheating.

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Blazing Bruck

02-27-2006 17:42:30

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Re: installing a turbo on a non-turbo motor in reply to Brad in WI, 02-26-2006 22:17:57

Adding a oil pressure feed to the turbo is the most important part of the installation. The oil does two jobs, the lesser of which is provide lubrication. MOST important is the removal of HEAT! A good rule of thumb is to make the oil return line twice the diameter of the oil supply line. This will allow for expansion of the oil do to the tremendous heat and allow for the quick removal of the heat- laden oil. The turbo shaft "floats" on a cushion of oil, so supply must be adequate. Always drop the return oil into the sump so as to dissipate heat quickly. Also, as you will be adding more air to the engine, recalibration of the injection pump usually is done to insure correct combustion temeratures at peak horsepower.

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superih

02-27-2006 14:34:35

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Re: installing a turbo on a non-turbo motor in reply to Brad in WI, 02-26-2006 22:17:57

My buddy turbocharged a 400D. I can get somemore details on how. I know that the compresses air side he did with PVC and custom made the exhaust side. It all fit under the hood looks really good. It made 10 psi boost max. We ran propane on it also that led to blowing the 50 year old head gasket. Made one helluva difference in power.

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Brad in WI

02-28-2006 02:03:01

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Re: installing a turbo on a non-turbo motor in reply to superih, 02-27-2006 14:34:35

If you could get some information on that it would really be great. Pictures would be even cooler. My email is open. Brad

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Steve in tex

02-27-2006 11:44:03

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Re: installing a turbo on a non-turbo motor in reply to Brad in WI, 02-26-2006 22:17:57

If you run oil from the press. guage to the oil filter there won't be enough pressure differential to get you any oil flow. Seems you would have to return the oil back to sump for good oil flow.

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Nat 2

02-27-2006 05:25:14

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Re: installing a turbo on a non-turbo motor in reply to Brad in WI, 02-26-2006 22:17:57

Everything's going to need to be custom-fabricated... You can't just go out and buy a manifold.

Has anyone ever turbocharged an MD? I'm not even sure if the engine could take the stresses of a lot of boost, and I'm not sure if it would be worth your while for a little boost.

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Brad in WI

02-27-2006 10:08:34

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Re: installing a turbo on a non-turbo motor in reply to Nat 2, 02-27-2006 05:25:14

I know that everything has to be fabricated. In my day job, I am a machinist so making parts is something that I can do myself. I was just wondering about th durability of the motor with the added boost.
Brad

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RustyFarmall

02-27-2006 05:34:00

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Re: installing a turbo on a non-turbo motor in reply to Nat 2, 02-27-2006 05:25:14

Somebody's done it, I've seen pictures of it posted here, I don't remember who though. Might do a search through the tractor pics. Will it work? Don't know why not, lots of diesel tractors from the late fifties and early sixties had turbos installed with a good rate of success, and none of these early diesels were designed to have turbos.

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evilboweviel

02-27-2006 07:35:29

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Re: installing a turbo on a non-turbo motor in reply to RustyFarmall, 02-27-2006 05:34:00

Larry806??
somebody posted a pic and I think it was him
Ron

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RustyFarmall

02-27-2006 09:03:18

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Re: installing a turbo on a non-turbo motor in reply to evilboweviel, 02-27-2006 07:35:29

You're right, it was Larry806

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Brad in WI

02-27-2006 10:11:38

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Re: installing a turbo on a non-turbo motor in reply to RustyFarmall, 02-27-2006 09:03:18

This is the picture that got me thinking about adding one. I have the tractor and the turbo just need to mate them together.
Brad

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RustyFarmall

02-27-2006 11:02:18

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Re: installing a turbo on a non-turbo motor in reply to Brad in WI, 02-27-2006 10:11:38

If you have the desire to do it, I'm sure you will find a way. I would like to see the results, hopefully a little nicer job than the one in the pic? I would much rather see some bubbles in the hood, rather than just cutting holes.

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Brad in WI

02-27-2006 11:15:16

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Re: installing a turbo on a non-turbo motor in reply to RustyFarmall, 02-27-2006 11:02:18

I am going to try to get by with only having to cut one more hole in the hood. For the air into manifold tube. I am thinking of running the oil lines from the oil pressure gauge to oil the turbo and return line into the oil filter. Not sure if that will work yet or not. Any input is appreciated.
Brad

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