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Old Sep 26, 2006 | 09:47 AM
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Stock Turbo
i have a stock 2003 evo 8.. how much psi i can i run off the stock turbo without having any problems?
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Old Sep 26, 2006 | 09:49 AM
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with a tune and 93 octane, about 22psi or 1.5 bar, with no tune 19psi
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Old Sep 26, 2006 | 09:51 AM
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19psi is stock...so basically i am SOL
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Old Sep 26, 2006 | 10:10 AM
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Originally Posted by boostinjuice
19psi is stock...so basically i am SOL
no 19 spike drops to 15-16. get a boost controler and set it at 19psi and it will hold. a big difference
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Old Sep 26, 2006 | 10:40 AM
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Ok.so by the time redline hits it drops to 16psi. I knew that. But if I get a MBC and set it to 19 it will stay 19 all the way to redline?
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Old Sep 26, 2006 | 12:13 PM
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Old Sep 27, 2006 | 03:40 AM
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Originally Posted by boostinjuice
Ok.so by the time redline hits it drops to 16psi. I knew that. But if I get a MBC and set it to 19 it will stay 19 all the way to redline?
Nope.Stock turbo run out of breath at 7000rpm.
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Old Sep 27, 2006 | 01:26 PM
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Originally Posted by deadbeatrec
no 19 spike drops to 15-16. get a boost controler and set it at 19psi and it will hold. a big difference
well then what does this mean? if you say it doesnt?
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Old Sep 27, 2006 | 01:48 PM
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an mbc will get rid of the taper.....
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Old Sep 27, 2006 | 01:51 PM
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Originally Posted by travman
an mbc will get rid of the taper.....
+1. Had a friend that was running around 30psi on the stock turbo. That was with methanol, cams and other bolt ons and tuned. Turbo acutally held up find it was the block that gave out
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Old Sep 27, 2006 | 05:41 PM
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Originally Posted by Ang Wen Yan
Nope.Stock turbo run out of breath at 7000rpm.

so is this statement wrong?
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Old Sep 27, 2006 | 08:19 PM
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Originally Posted by boostinjuice
so is this statement wrong?
No

A MBC will get rid of some of the taper, not all. The turbo runs out of breath and theres nothing you can do.
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