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  #1  
Old April 14th, 2009, 03:31 PM
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Air Research M-11 (Garrett)

I was wondering if anyone knows if this Turbo would work on a 200tdi?
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Old April 14th, 2009, 04:09 PM
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There's a lot more to the actual turbo than the M-11, that's just a casting # the way I understand it. There are trim Spec's and A/R values, flange dimensions etc.

Maybe this http://www.turbomaster.info/eng/appl...assenger_cars/ can help.
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Old April 14th, 2009, 04:15 PM
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If you are changing turbo, get a VNT..... Makes it much nicer to drive. The engines can't handle a lot more boost anyway, so a larger turbo does not accomplish much.
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Old April 14th, 2009, 04:45 PM
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HMMMM VVT's (or VGT, or VNT) nice..

My new manifold is designed and I'm awaiting the steel to build it..

GT2253V the Turbo is one of a 3.0L Diesel Nissan Pathfinder or Navara depending on where you live. Many of them are water cooled which adds to the complexity, some say leave the water lines disconnected. I haven't decided.
Check the year and get good pic's to compare.
The ones I have are 2006 and 2007, both are water cooled. Both are in top shape and I have under $400 into the pair shipped from .... Dare I say it?
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Old April 14th, 2009, 05:18 PM
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Thanks,
The guy doing my truck has a friend with the m11, hes going to bring it in so we can take a look at it, but i was wondering if anyone had heard of, or used one before?
whats a VNT and how does it make the truck better to drive?
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Old April 14th, 2009, 05:27 PM
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Firstly, in order to properly choose a turbo, you need to get its performance map and work out how it matches your engine and desired boost levels. You need to have some technical knowledge to do this. Sizing the correct turbine and compressor is not a simple matter.

A VNT has adjustable vanes at the inlet to the turbine. This allows the turbo to produce boost at much lower flowrates. Peak boost will happen at much lower engine speed (say 1400 rpm versus 2000 rpm). You end up with a much wider power band and more peak torque. Pretty much all modern TDI engines use VNT turbo. Gasoline engines usually do not, because it is more difficult to control the boost spikes.
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Old April 14th, 2009, 06:37 PM
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those sound pricey!
but they do seem the way to go
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Old April 14th, 2009, 07:19 PM
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GT2253V the Turbo is one of a 3.0L Diesel Nissan Pathfinder or Navara depending on where you live. Many of them are water cooled which adds to the complexity, some say leave the water lines disconnected. I haven't decided.
Check the year and get good pic's to compare.
The ones I have are 2006 and 2007, both are water cooled. Both are in top shape and I have under $400 into the pair shipped from .... Dare I say it?

They can be had in other countries for reasonable $$$
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Old April 15th, 2009, 04:58 AM
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If you have a water cooled bearing housing I'd hook up the lines. Water cooling contributes significantly to the life of the turbo, preventing it from getting coked up. Unless they've changed from when I used to rebuild turbos, they are also designed with water cooling in mind, meaning you actually need it for proper cooling.
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Old April 15th, 2009, 09:17 AM
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Quote:
Originally Posted by Antichrist
If you have a water cooled bearing housing I'd hook up the lines. Water cooling contributes significantly to the life of the turbo, preventing it from getting coked up. Unless they've changed from when I used to rebuild turbos, they are also designed with water cooling in mind, meaning you actually need it for proper cooling.
Yeah I know... I'm just talking myself into being to be lazy...
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Old April 15th, 2009, 03:51 PM
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Quote:
Originally Posted by revor
Yeah I know... I'm just talking myself into being to be lazy...
I know how that goes, beleive me.
But...FWIW, I saw a lot of dead turbos from people being lazy. And after inspecting the turbo had no desire to see what the engine looked like, merely because the turbo failed.
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