Quote:
Originally Posted by marting
Hi Dougal. The 2H will go up to 4000 rpm. But in normal driving I very rearly venture beyond the 3000 rpm mark. I never cruise at over 2500.
I'm not looking for high end power. If it "dies" a little over say 3200 rpm then that is ok.
The manifold have some sort of flange on wich the exhaust is mounted. I will have to make an adapter anyway. This has been done many times so I'm not really worried about that.
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I run a Garrett T25 on my 3.9L Isuzu, but it is governed to 3600rpm and rarely ever sees 3000.
I'm running 20psi boost which is outside what the turbo makers ever intended.
One of these will work for a 2H, but I'd be inclined to go a little larger. A T25 with 0.64 A/R exhaust would work if you're looking for used turbos.
If you want a new one then the smallest you would want is the Garrett GT2252
TurboByGarrett.com - Catalog
The Garrett GT2560R would be my pick. These are the old Garrett T28, slightly smaller than the famous disco-potato but the same family.
TurboByGarrett.com - Catalog
I know someone fitting one of these to a 3.9L Isuzu like mine, we'll let you know how he likes it.