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Turbos off road?



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Old 08-21-2012, 09:46 PM   #1
Rock Monkey
 
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Turbos off road?

I have a 85 Toyota 6.0L nv4500 d300 60 14 I've been thinking about a front mount turbo truthfully I don't really need it just want to do something different. I'm thinking a 70mm would be perfect for low end boost. I have a tuner that can handle the A/F the only thing I'm really worried about is oil not draining back from the turbo on side hills and blowing seals out anyone know if this will be an issue?
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Old 08-22-2012, 04:52 AM   #2
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Not if you install a pump in the return oil line. The 10.5 drag cars with rear mounted turbos have pumps in the return lines. I'll find you a article and post it. Turbos are fun but you may have better low end snap with a blower ? Correct me if I'm wrong guys.


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Old 08-22-2012, 05:45 AM   #3
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I'd go with a supercharger, personally. You wont have to build boost like you would with a turbo.......
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Old 08-22-2012, 09:52 AM   #4
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I have done three turbo gasser builds from the ground up. While they are cool as all get out and alot of fun when they work, I would steer clear. If you have a 6.0 I see no need at all for more power unless it is in a full blown hill racer. Turbo gas engines are finicky and are alot of work....alot.

First, you have too much compression to run much boost reliably. Second, you will rarely ever even use boost because the engine has to be loaded to use it so you really need to gear up to load the engine....again not making sense in a 6.0. In a 2.0, maybe so.

70mm what? That is a random number that could apply to many things. I will assume you are referring to a 70mm compressor inducer, which is big...not huge, but big. There is also alot more to sizing than just picking the compressor inlet. It could work perfect or not all all depending on everything else.

Lag can be all but completely tuned out of a properly sized and setup turbo engine, but you have to know what you are doing. It can be almost as responsive as a supercharger and will out power the supercharger.

If you decide to do it, I would be glad to help. I have helped many people start projects, after cautioning them, and I have yet to see anyone finish. I even had one guy pay me to help him plan it all out and then he just kindof stopped responding, so I assume it became too much work.
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