1lb more boost per month
11-18-2003, 04:32 AM
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1lb more boost per month
I've had my setup running for a couple of months now. Initially I got 9psi off the wastegate. Then I hollowed my cat and tightened down my bov, up to 10psi. Now I'm getting 11psi. This isn't creep where it falls off, just rock solid 11psi. I don't mind, the car is tuned to over a bar, just wondering why.
Does cold air mean I get more boost? Is there some relationship between not only the psi but the air density that would affect a wastegate opening? I was a cpe not a me in school...
Does cold air mean I get more boost? Is there some relationship between not only the psi but the air density that would affect a wastegate opening? I was a cpe not a me in school...
11-18-2003, 10:09 AM
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Re: 1lb more boost per month (99lspwr)
LOL when I read this I thought you were planning on upping the boost one pound per month from now on. I was going to say, that sounds like lots of fun 
11-18-2003, 10:39 AM
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Re: 1lb more boost per month (Johnyquest)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Johnyquest »</TD></TR><TR><TD CLASS="quote">LOL when I read this I thought you were planning on upping the boost one pound per month from now on. I was going to say, that sounds like lots of fun </TD></TR></TABLE>
lol thats exactly what i thought too. like a personal goal or new years resolution.
</TD></TR></TABLE>lol thats exactly what i thought too. like a personal goal or new years resolution.
11-18-2003, 11:57 AM
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Re: 1lb more boost per month (keebler65)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by keebler65 »</TD></TR><TR><TD CLASS="quote">
lol thats exactly what i thought too. like a personal goal or new years resolution.</TD></TR></TABLE>
Heheh, I thought the same.
Yes, colder air = more air.
lol thats exactly what i thought too. like a personal goal or new years resolution.</TD></TR></TABLE>
Heheh, I thought the same.
Yes, colder air = more air.
11-18-2003, 12:01 PM
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Re: 1lb more boost per month (keebler65)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by keebler65 »</TD></TR><TR><TD CLASS="quote">
lol thats exactly what i thought too. like a personal goal or new years resolution.</TD></TR></TABLE>
HAHA me too.
lol thats exactly what i thought too. like a personal goal or new years resolution.</TD></TR></TABLE>
HAHA me too.
11-18-2003, 04:55 PM
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Re: 1lb more boost per month (trbob16a)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by trbob16a »</TD></TR><TR><TD CLASS="quote">This isn't creep where it falls off</TD></TR></TABLE>
Creep is not where it falls off, creep is when it "creeps" up at higher RPM's due to insufficienct wastegate flow.
http://users.wpi.edu/~ktarry/spikevscreep.html
You changed some stuff, and the boost went up. Wouldn't you figure it went up because of the stuff you changed?
A good setup will always have the same boost in different temperatures.
Creep is not where it falls off, creep is when it "creeps" up at higher RPM's due to insufficienct wastegate flow.
http://users.wpi.edu/~ktarry/spikevscreep.html
You changed some stuff, and the boost went up. Wouldn't you figure it went up because of the stuff you changed?
A good setup will always have the same boost in different temperatures.
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