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A4 with STS build

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Old Oct 24, 2011 | 08:53 PM
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Default A4 with STS build

hey guys its been a long while since i been on here.... i sold my 94 LT1 and not too long ago bought a 2002 A4 Z28... the car has 111k miles on it and shorty headers and 3.73s out back.... i hve an sts used turbo kit with intercooler that i am gonna put on.. i did a search but i'm not really finding what i'm looking for i keep getting cars that are forged and not stock bottom end.... my questions are what could i expect from the car on 8 lbs of boost if i have no stall on the car on a drag radial... the car is my DD driver and sees the track quite a bit... the car did a 13.50@ 103.9 and 2.0 60 ft... the d/a here sucks it was almost at 5000 thanks in advance guys
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Old Oct 24, 2011 | 10:16 PM
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No one?? Come on guys I just really wanna know what I can expect from this??
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Old Oct 25, 2011 | 08:23 AM
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My guess would be about 12.5 if you hook but for a DD I wouldn't take it to the tack without the proper provisions like a better rear and perhaps a stall but I'm a worry wart.
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Old Oct 25, 2011 | 10:11 AM
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im doing the same thing w/o the intercooler and going to be on 5 psi until i get it tuned...i should have it done by the end of this week, ill keep you posted
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Old Oct 25, 2011 | 10:48 AM
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Originally Posted by jak2908
im doing the same thing w/o the intercooler and going to be on 5 psi until i get it tuned...i should have it done by the end of this week, ill keep you posted
i would NOT be in ANY boost without a tune...
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Old Oct 25, 2011 | 11:04 AM
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Originally Posted by JAX04
i would NOT be in ANY boost without a tune...
I am with JAX here, do not boost without a tune.
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Old Oct 25, 2011 | 12:59 PM
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can i send the ecu to anyone and have them do it? or do i have to have it dynoed and such
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Old Oct 25, 2011 | 02:35 PM
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Originally Posted by jak2908
can i send the ecu to anyone and have them do it? or do i have to have it dynoed and such
http://www.tunedbyfrost.com/
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Old Oct 25, 2011 | 03:13 PM
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i take it that he is pretty reputable? i dont know any info about the turbo i have...it was in the sts kit i bought used..
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Old Oct 25, 2011 | 03:16 PM
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whats the worst that could happen if i dont get it tuned right away?
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Old Oct 25, 2011 | 04:31 PM
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Originally Posted by jak2908
whats the worst that could happen if i dont get it tuned right away?
The motor blows up...

You can drive it around for a short amount of time before you get it tuned but you need to keep it out of boost.

Without a tune once it gets into boost it will go lean/be over timed and it will detonate.
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Old Oct 25, 2011 | 04:36 PM
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gotchya....i could go with frosty or i have a somewhat local tuner and he also does dyno pulls for 400 bucks..
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Old Oct 25, 2011 | 04:45 PM
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Originally Posted by 2002kirk
My guess would be about 12.5 if you hook but for a DD I wouldn't take it to the tack without the proper provisions like a better rear and perhaps a stall but I'm a worry wart.


so about a full second increase? how much better with a stall converter? and say up the boost to about 10lbs if it wasn't my DD?
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Old Oct 26, 2011 | 12:42 AM
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Drive it with the intake hose disconnected, that way you will see no boost.
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Old Oct 26, 2011 | 12:55 AM
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the more boost, the more weak links you will find......(rearend and trans seem to be the weaker links in the f-body drivetrain)
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Old Oct 26, 2011 | 01:03 AM
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I personally would copy "Zombies" setup as close as possible.. You can search for a 100% detailed setup from him.

Converter is a must for even a stock auto, they are dogs other wise.
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Old Oct 1, 2012 | 10:26 PM
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Bringing this back up for you. Any updates?
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