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Old 12-14-2007, 01:29 PM   #1
reddd02kg
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Chapter/Region: SWIC
Location: Reno, NV
Default Just put in My Boost gauge

I just got an autometer boost guage and pyrometer. I haven't hooked up the pyrometer yet and would appreciate any advice on tapping the manifold.

The boost guage peaks at 14 and then drops down to a steady 12. Is the spike just build up or am I actually hitting 14 psi? Pretty much Im asking if boost will build up and peak to give me a false reading. I taped into the line coming out of the top of the stock bypass valve for the T fitting on the guage.

I have not tuned my car yet, bad I know, and these are my upgrades that matter:
TXS Upipe
TXS TBE
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Old 12-14-2007, 02:07 PM   #2
iri_tuan
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its just your boost tapering down a bit.

next step, get some type of EM asap!
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Old 12-14-2007, 02:24 PM   #3
4ST-AIR
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Quote:
Originally Posted by iri_tuan View Post
its just your boost tapering down a bit.

next step, get some type of EM asap!
Without a doubt I would have got a tune before buying the gauge JMO. All those mods and not even an OTS map is just asking for trouble.
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Old 12-14-2007, 02:42 PM   #4
WRXislander
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Quote:
Originally Posted by 4ST-AIR View Post
Without a doubt I would have got a tune before buying the gauge JMO. All those mods and not even an OTS map is just asking for trouble.
Remember, he has an '02.
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Old 12-14-2007, 03:55 PM   #5
WRXGus
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Quote:
Originally Posted by WRXislander View Post
Remember, he has an '02.

Yea what he said. With the '02 WRX's you dont need EM for a TBE, but it always helps.
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Old 12-14-2007, 04:00 PM   #6
Mayor McCheese
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Old 12-16-2007, 12:58 PM   #7
reddd02kg
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I got the gauges so I could tune myself with some sort of open source tuning program. Any other option was way more money than the gauges.
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Old 12-16-2007, 01:11 PM   #8
CynicX
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Its normal for then engine to suck the life out of a small turbo. I used to peak the TD04 around 17.5-18 psi and see around 10ish psi by redline. A larger turbo and tuning will hold boost better until redline....

What I'm saying is you most likely are hitting 14 psi and its dropping to 12....and that is normal....
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