[s-cars] "Negative Boost", Oh yes Martha its that dreaded subject once again

Robert Myers bob at chips-ur-s.com
Tue Oct 5 11:39:02 PDT 2010


*This message was transferred with a trial version of CommuniGate(r) Pro*

Who are you?  Joe Namath using a pseudonym?  :-D

Bob

At 02:35 PM 10/5/2010, Jared Robinson wrote:
>*This message was transferred with a trial version of CommuniGate(r) Pro*
>teastrainer and panty hose... always worked for me ;)
>
>On Tue, Oct 5, 2010 at 12:03 PM, Hap Maguire <captmagu at gmail.com> wrote:
>
> > Cody
> >
> > That's exactly what I'm now running. It should be noted that Tufty wanted
> > to install the BMC CDA airbox filter and I rejected this. Foolish on my
> > part. Oh well. The reason for this post is so we can all learn from success
> > as well as failure. In this case, rather dramatic failure.
> >
> > Hap. wit dakine admission not from Evahboost, Maguire
> > On Oct 5, 2010, at 8:59 AM, John Cody Forbes wrote:
> >
> > > HKS Super Mega Flow Reloaded. Yeah, a stupid name, but a great filter.
> > 034 dyno tested one to something like 600whp with minimal vacuum 
> between the
> > turbo and filter.
> > >
> > > Cone filters, indeed all K&N style filters, take huge amounts of surface
> > area to flow properly. On K&N's website you'll find a filter area 
> calculator
> > which will show you that that tiny filter you were running is good for like
> > 300bhp.
> > >
> > > -Cody (mobile)
> > >
> > > On Oct 5, 2010, at 8:23 AM, Joe Pizzimenti <joe.pizzimenti at gmail.com>
> > wrote:
> > >
> > >> Have you tried a K&N?
> > >>
> > >> Or chicken wire, for that matter?  :)
> > >>
> > >> On Mon, Oct 4, 2010 at 9:30 PM, Hap Maguire <captmagu at gmail.com> wrote:
> > >>
> > >>> S-Heads
> > >>>
> > >>> A sporadic boost issue has been driving Tufty Jones, Brendan Rudak and
> > >>> yours truly very crazy for the last several months. Last week Brendan
> > and I
> > >>> set about logging runs on da computer to see if there was a software
> > issue
> > >>> and everything checked out perfectly. We even tried swapping out the
> > Tial
> > >>> 44mm wastegate for a plug and play Turbosmart WG with a minor change
> > >>> invloving a slightly laggier but still inconsistent boost between 10-15
> > lbs
> > >>> due to a 7 lb vs 1 bar spring in the Turbosmart WG. Tufty and I finally
> > >>> decided to do an intake tract leak check even though we knew it
> > couldn't be
> > >>> that as this car has basically a full hard pipe tract with the only
> > silicon
> > >>> pieces at the joints for engine flex. This would also eliminate the BOV
> > as a
> > >>> potential source. Well as the pressure built upwards of 30 lbs the only
> > leak
> > >>> we found was from the test valve. The intake was solid. To do the test
> > >>> though, we had to remove the 4" elbow that runs from the air cleaner to
> > the
> > >>> turbo inlet. As Tufty was scratching his head yet again he took a good
> > look
> > >>> at the cleaner and Voila, we had found our "Negative Boostie".
> > >>>
> > >>> As you can see from this inside view, the plastic frame has broken
> > down.
> > >>> This allowed the cleaner to shrink in on itself as Da BEEG Comp turbo
> > >>> literally sucked the life from its veins. You can also see the crease
> > lines
> > >>> on the outside of the cleaner and visualize what was going on.
> > >>>
> > >>> http://i935.photobucket.com/albums/ad199/hapster47/a-1-3.jpg
> > >>>
> > >>> http://i935.photobucket.com/albums/ad199/hapster47/a-3-1.jpg
> > >>>
> > >>> This air cleaner was mounted to a 4" aluminum pipe that had a 90 degree
> > >>> bend and the cleaner just hung from the pipe without touching anything
> > else.
> > >>> You can just see the pipe here in this shot.
> > >>>
> > >>> http://i935.photobucket.com/albums/ad199/hapster47/dm-63.jpg
> > >>>
> > >>> Well mucho thanks to Tufty and Brendan for their continuing help in
> > >>> perfecting this beast. Something tells me this is gonna be a long
> > story.
> > >>> Throughout this all, the car still ran beautifully if somewhat muffled
> > >>> because of the cleaner. I gotta see if I can get a refund or do you
> > think
> > >>> AEM will just laugh???
> > >>>
> > >>> Hap, wit dakine "Negative Boost" nomoh not(and yes Mr Baloney that's 3
> > >>> negatives) from Evahboost, Maguire
> > >>> _______________________________________________
> > >>> S-CAR-List mailing list
> > >>> http://audifans.com/mailman/listinfo/s-car-list
> > >>> http://www.audifans.com/kb/List_information
> > >>>
> > >> _______________________________________________
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> >
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> >
>
>
>
>--
>Jared Robinson
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