[200q20v] Boost? .... was: ECU upgrade question
vegener at post7.tele.dk
Thu Oct 25 14:10:33 EDT 2001
When the needle is fluctuating expect to find
a leak at the pressure side.
I at the moment use IA V, but with a spring and no
WG-control - and my original kkk24.
Max boost set by spring to 1.4 Bar = 20.5 PSI
and this is falling to 16 PSI at 3. gear WOT @7000 rpm.
I think, the kkk24 is not able to suspend more than 300 HP.
But my back pressure from cat's and exhaust is raising to 2 PSI,
so that's half of the culprit.
----- Original Message -----
From: "Gene Caldwell" <gene.ghc at verizon.net>
To: "200q20V mailing list" <200q20v at audifans.com>
Sent: Thursday, October 25, 2001 9:41 AM
Subject: Re: [200q20v] Boost? .... was: ECU upgrade question
> CL Wong wrote:
> > This brings up a question I had.
> > What kind of boost readings are folks getting with
> > analog gauges and chips (hoppen/ia rated at 270-280
> > hp)?
> > I've done the 3rd gear test and see the needle
> > vibration between 15 and 20 psi.
> With Lehmann 1(Hoppen) I see 16-17psi, needle mostly steady.
> With IA 3+, under good conditions, about 21psi, vigorous fluttering, and
> lots of vehicular forward motion.
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