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Old 04-28-2002, 05:53 PM   #1
AK_2002_WRX
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Question boost gauge

how high does everyones boost go up to on their gauges?
mines only going up to 8 PSI max. any ideas on what is causing it to not go any higher, or is that all my car is putting out?
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Old 04-28-2002, 08:39 PM   #2
RawCode
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Maybe leaking boost? The WRX are tuned to run 14 to 16... but I think it would be rather noticeable if you were...

RawCode
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Old 04-29-2002, 04:04 AM   #3
WRXnFX
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I've seen my boost run as high as 15psi depending on the gear. You were suppposed to call. What happened?

Winslow
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Old 04-29-2002, 05:32 AM   #4
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Do you have the boost gauge installed right? Check the wiring.

Winslow-

My Check engine Light turned off just a few days after the meet. But I would still like to look at the History to find out what it was. Can your OBDII computer read the history?
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Old 04-29-2002, 07:08 AM   #5
Code-7
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Quote:
Originally posted by BlackNight
Do you have the boost gauge installed right? Check the wiring.

Winslow-

My Check engine Light turned off just a few days after the meet. But I would still like to look at the History to find out what it was. Can your OBDII computer read the history?
Maybe it was your P-Flo again. Or gas cap, bad gas, etc.
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Old 04-30-2002, 12:44 AM   #6
AK_2002_WRX
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Question

would the gauge be more accurate if it were teed into the wastegate line?
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Old 04-30-2002, 12:41 PM   #7
nano
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YOur boost gauge should be Teed between your manifold and BOV. If you did it between the wastegate and boost controller you would get a different signal since the boost controller reduces the amount of preasure going to the wastegate.
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Old 04-30-2002, 03:17 PM   #8
WRXnFX
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The OEM Subaru boost gauge tees off the BOV.

Winslow

Last edited by WRXnFX; 04-30-2002 at 03:25 PM.
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Old 04-30-2002, 03:42 PM   #9
nano
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I've seen up to 28psi from my gauge before!!! That's with my wastegate unpluged!! Don't try this at home... It can easily blow a head gasket..
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Old 04-30-2002, 11:06 PM   #10
AK_2002_WRX
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yeah, i've read about people unplugging their wastegate line, very very dangerous

I got the boost gauge to go up to 10 PSI, then it leveled back down to 8. maybe my car doesn't put out as much boost as everyone elses but its still fast
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Old 05-01-2002, 12:31 AM   #11
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My Blitz dual turbo timer records the max boost. I've got as high as 1.26 bar. I don't know what thisis in psi. Anyone know the conversion?
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Old 05-01-2002, 12:35 AM   #12
AK_2002_WRX
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i think thats somwhere around 17.40 PSI, maybe a little more.
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Old 05-01-2002, 12:37 AM   #13
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Wow, and I have no boost control mods.
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Old 05-01-2002, 01:46 AM   #14
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Uh.....No way!
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Old 05-01-2002, 02:05 AM   #15
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Quote:
Originally posted by KapaFool
Uh.....No way!
i'll have to call b/s on this one too!
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Old 05-01-2002, 03:04 AM   #16
WRXnFX
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Quote:
i think thats somwhere around 17.40 PSI, maybe a little more.
Look at this guy. Where did you get your conversion? Depending on your conversion of 14.5 or 14.7, that number is over 18.

When I hit the peak hold button on my gauge, I see the max boost at 18-19. I've never seen the gauge above 15psi, though.

Mike, did you try removing the restrictor and watching for an increase in boost?

Winslow
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Old 05-01-2002, 12:21 PM   #17
nano
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Well I'm sure the stock boost control isn't that steady and probably spikes to 17psi a lot. It did on my car at least. I've seen stock wrxs that spike a lot with a mbc. But the ones with a cold air intake seem to be a lot more steady. This obviously shows how much harder the turbo has to work to suck air with the stock air box. Even with my EBC, bigger turbo and bigger intake mine spikes about 1.5psi sometimes. It just happens with turbo cars. But dosen't mean you're running that much boost across the band.
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Old 05-01-2002, 02:40 PM   #18
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Yall should come over to the Vortex and read some of the "new" N75 vavle threads. Some people are spiking at 1.75bar, but then again it is sending them in to what we call "Limp Mode". I should have the vavle today. But these findings of people going into "Limp Mode" happend after I ordered it. So I am going to wait for awhile before I put it on and see if someone comes out with a "fix" or somthing.
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Old 05-01-2002, 04:11 PM   #19
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Winslows right

A boost of 1.26 bar is 18.3 psi

1 bar = 14.5 psi
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Old 05-01-2002, 09:25 PM   #20
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I've seen 12 psi at WOT and then starts to bleed down. I am stock everything.
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Old 05-03-2002, 01:52 AM   #21
AK_2002_WRX
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Quote:
Look at this guy. Where did you get your conversion?
I got it from some conversion table i searched for

Quote:
Mike, did you try removing the restrictor and watching for an increase in boost?
Thanks for reminding me about that, forgot i had the extra one. i'm going to do it tonite
did you try it yet?
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Old 05-03-2002, 01:54 AM   #22
AK_2002_WRX
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oh yeah, i think i've got a leak somewhere with my windows down i can hear a shhhhhhhhh noise that i've never heard before. i am goin to check all the connections tonite.
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Old 05-03-2002, 05:07 AM   #23
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You were supposed to come over tonight. If you want stop by tomorrow and we'll take a look. I'd take a look at all the connections that we oosened up and check the hoses that you messed with. No, I haven't tried the mod yet, because I'm thinking about waiting and doing it all when I order a bunch of BOOSTMONKEYS. Anybody want one?

Winslow
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Old 05-03-2002, 01:46 PM   #24
AK_2002_WRX
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Exclamation

i did the restrictor mod.

the boost builds much faster. it spiked up to 15 and leveled out to about 8psi.
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Old 05-03-2002, 06:07 PM   #25
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I don't see a difference in boost after the restrictor mod. Just order the BoostMonkey already.
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