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Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

How much PSI?

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Old Dec 23, 2003 | 04:12 AM
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jhong567
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How much PSI?
Right now i am about to install a perrin uppipe and helix down pipe how many psi do you recommend i set my mbc at? Also what is the conversion of your recommendation into bars?
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Old Dec 23, 2003 | 05:18 AM
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I suggest you set it at .10mp-.11mp ( factory gauge) which is about 15pounds.
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Old Dec 23, 2003 | 12:59 PM
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No more than 16psi.
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Old Dec 23, 2003 | 11:16 PM
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WindingRoad
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Car Info: 2004 White GDB
watch out for that boost spike.
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Old Dec 24, 2003 | 12:06 AM
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international B
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Originally posted by Uncle Scotty
No more than 16psi.
yup, no more then 16, and make sure that its not spiking too high. could cause severe damage.
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Old Dec 25, 2003 | 02:26 PM
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From: at the track
15.7 psi
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Old Dec 25, 2003 | 06:51 PM
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827 torr
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Old Dec 25, 2003 | 10:05 PM
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remember to set it in 3rd gear! (or higher)



NOT 1st or 2nd... you WILL over boost when you get to 3rd gear.

-Gagan
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Old Dec 26, 2003 | 01:11 AM
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^^^ Gagan speaks the truth
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Old Dec 26, 2003 | 03:24 AM
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haha for an rs owner he has the wrx down better then most wrx owners. haha good looking out gagan
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Old Dec 26, 2003 | 06:18 AM
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I was just about to right the same thing, so there. :banana:
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