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Old Sep 29, 2005, 03:14 PM
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Evo Boost

Please any one can tell me the stock boost for Evo 8 2005 model ?
THANKX
Old Sep 29, 2005, 03:17 PM
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19psi dropping to 16psi
Old Sep 29, 2005, 03:19 PM
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My 05 goes from 23 to about 18.


Ain't complaining, just sayin'. Anyone else's stock Evo do this?
Old Sep 29, 2005, 03:23 PM
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that seams really high^^^ you might want to get another boost gauge
Old Sep 29, 2005, 03:29 PM
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Originally Posted by djmikeymike
19psi dropping to 16psi
~21psi dropping to 17psi on the 05s ...

19psi -16psi is on the older models ...
Old Sep 29, 2005, 03:32 PM
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The original poster is in Kuwait, might be different over there.
Old Sep 29, 2005, 04:26 PM
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Originally Posted by djmikeymike
that seams really high^^^ you might want to get another boost gauge
It jumps up there and drops down real quick. A minor spike
Old Sep 29, 2005, 04:26 PM
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20.31psi@ 3500rpms
17.40PSI@ 6500rpms

This is Straight out of the USDM book, could be different in other countries because of emissions crap we have here. And every car is different so these numbers are just a base line. They all should be relatively close to this number, one would hope anyway
Old Oct 1, 2005, 02:30 PM
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mine stock hit about 24psi for a second or 2 in 3rd gear and dropped to about 16-17psi and i had the stock BOV on also.
Old Oct 1, 2005, 03:05 PM
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Mine stock spiked like 23-34 PSI sometimes, but dropped down to like 17 or so. I have the Hallman MBC now, so It pretty much holds 20 all the way now.... tapers off just a tad at redline....
Old Oct 1, 2005, 10:27 PM
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it seems like the 05's stock boost might almost be better than holding at 20psi with a MBC. I wonder what would have a better 1/4 mile time, a stock 05 spiking to 24 then dropping down to 17 or a evo holding 20-21 and dropping to 19 with a MBC.
Old Oct 1, 2005, 10:32 PM
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21psi dropping to 18psi on my 05
Old Oct 1, 2005, 10:57 PM
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Same here! 21psi dropping to 18psi on my 05




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