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Stock 900 T3 uses a 40 trim compressor, as best I can figure based on a 1.48" inducer. This is rated at about 20 lb/min by Garrett, or using there 9 convers factor, 180 hp.
Fot the 40 map, high boost (1.6 pr, 24 psi at turbo, mabe 22 psi manifold)is fine for up to about 14 lb/min or 125 hp .... mabe 3500-4000 rpm.
But for max hp at high rpm, if you exceed 180 hp (20 lb/min), you are off the efficient range and rapidly falling.
Stock turbo is fine for high boost and midrange power, but pushing high boost and rpm does little but create huge amounts of heat, as I have said many times. If max hp is your goal, get a turbo upgrade. If you want to keep response up, a 50 trim is one option for the 210-230 hp range.
Posts in this Thread:
- how much boost can the stock turbo put out?, Jordan, Tue, 3 Oct 2000 23:02:34
- Re: how much boost can the stock turbo put out?, Seth Strait, Wed, 11 Oct 2000 21:23:29
- Anyone noticed the elimination of lag on 9000's..., cutic, Wed, 4 Oct 2000 20:30:48
- Max PSI isn't as important as tuned PSI----->>>, Physh, Wed, 4 Oct 2000 20:05:05
- You guys don't seem to understand..., Bond, Wed, 4 Oct 2000 14:57:59
- (Super Long), Jeff Cunningham\, Wed, 4 Oct 2000 10:20:20
- Re: how much boost can the stock turbo put out?, GM, Wed, 4 Oct 2000 00:32:04
- Re: how much boost can the stock turbo put out?, Kevin K , Wed, 4 Oct 2000 00:15:07
- You're Crazy, Kodiak, Tue, 3 Oct 2000 23:08:28
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