[s-cars] 3071 turbo & Pastore RS2 code question

[Joe Pizzimenti]

Can you just install a manual boost controller in line with the N75 so that
it maintains the same boost curve, but doesn't allow it to reach 30psi?

On 3/21/06, Mark Strangways <Strangconst at rogers.com> wrote:
>
> to add..
>
> I can write a boost map that allows 30 psi starting at 1000 rpm and
> running
> to redline, but it will not do much good.
> What will happen (likely) is that the turbo will spool up, when it builds
> enough heat and pressure it will be at full speed and the wastegate will
> not
> pull it back fast enough.
>
> Mark
> ----- Original Message -----
> From: "Mark Strangways" <Strangconst at rogers.com>
> To: "chris chambers" <fastscirocco_2000 at yahoo.com>
> Cc: "Scar" <s-car-list at audifans.com>
> Sent: Tuesday, March 21, 2006 9:33 PM
> Subject: Re: [s-cars] 3071 turbo & Pastore RS2 code question
>
>
> > The answer is two fold,
> > If your problem is the not software based, i.e.. bad n75 (WGFV) then no
> > software will not help.
> > If your problem is the fact that the software allows the turbo to get up
> > to
> > the mapped boost level so fast that the n75 can not quash it fast enough
> > (hope quash is a valid word for that) then different software will help.
> > So
> > will a softer wastegate spring.
> >
> > But do you know what the boost level is ?
> > Do you know where the fuel - air ratio is ?
> > Do you know what the timing values are ?
> >
> > Mark
> > ----- Original Message -----
> > From: "chris chambers" <fastscirocco_2000 at yahoo.com>
> > To: "Mark Strangways" <Strangconst at rogers.com>; "Joe Pizzimenti"
> > <joe.pizzimenti at gmail.com>
> > Cc: "Scar" <s-car-list at audifans.com>
> > Sent: Monday, March 20, 2006 9:24 PM
> > Subject: Re: [s-cars] 3071 turbo & Pastore RS2 code question
> >
> >
> >> Would changing to a different chipset help?
> >>
> >>
> >>
> >> --- Mark Strangways <Strangconst at rogers.com> wrote:
> >>
> >>> I doubt that Bob's wares would allow it to boost past 30 psi.
> >>> That would kill a RS2 in short order.
> >>> The  3071 can make that boost level with out problems, but with out
> >>> good
> >>> FMIC or water injection or both there is little point in using that
> >>> much
> >>> boost as the timing just rolls back and back and back.
> >>>
> >>> Mark
> >>> ----- Original Message -----
> >>> From: "Joe Pizzimenti" <joe.pizzimenti at gmail.com>
> >>> To: "chris chambers" <fastscirocco_2000 at yahoo.com>
> >>> Cc: "Scar" <s-car-list at audifans.com>
> >>> Sent: Monday, March 20, 2006 9:15 PM
> >>> Subject: Re: [s-cars] 3071 turbo & Pastore RS2 code question
> >>>
> >>>
> >>> > Chris,
> >>> > Use a manual boost controller installed in line with the N75 to
> >>> turn boost
> >>> > down to about 24psi.
> >>> >
> >>> > It's going past 30?
> >>> >
> >>> > On 3/20/06, chris chambers <fastscirocco_2000 at yahoo.com> wrote:
> >>> >>
> >>> >> Gentz,
> >>> >>
> >>> >> Garret 3071 turbo install is complete, but alas the tech thinks it
> >>> is
> >>> >> overboosting, we'll know for sure tomorrow when a boost gauge gets
> >>> >> installed. I suppose it's a possibility there is a coil too weak
> >>> for
> >>> >> the new improved boost.
> >>> >>
> >>> >> Current tech specs of the patient:
> >>> >>
> >>> >> 93 S4, ~ 248,000 miles
> >>> >> RS2 injectors
> >>> >> RS2 MAF
> >>> >> RS2 Exhaust Manifold
> >>> >> Garret 3071 turbo with the 63 and javad's UrS4 lines/maf hose
> >>> >> 034motorsport's 1.9 bar wastegate spring
> >>> >> Pastore's RS2 code
> >>> >>
> >>> >> Information I am looking for is twofold:
> >>> >>
> >>> >> 1. What is the Pastore RS2 code supposed to allow the turbo to
> >>> boost
> >>> >> to?
> >>> >> 2. What is the preffered code for use with the 3071 turbo?
> >>> >> 3. Any suggested changes?
> >>> >>
> >>> >> I plan on taking the stock wastegate spring down to see if that
> >>> makes
> >>> >> a difference, might as well rule that out.
> >>> >>
> >>> >>
> >>> >> Thanks
> >>> >> Chris
> >>> >>
> >>> >> Make April 15th just another day http://www.fairtax.org
> >>> >>
> >>> >>
> >>> >> __________________________________________________
> >>> >> Do You Yahoo!?
> >>> >> Tired of spam?  Yahoo! Mail has the best spam protection around
> >>> >> http://mail.yahoo.com
> >>> >> _______________________________________________
> >>> >> S-CAR-List mailing list
> >>> >> S-CAR-List at audifans.com
> >>> >> http://www.audifans.com/mailman/listinfo/s-car-list
> >>> >>
> >>> > _______________________________________________
> >>> > S-CAR-List mailing list
> >>> > S-CAR-List at audifans.com
> >>> > http://www.audifans.com/mailman/listinfo/s-car-list
> >>> >
> >>>
> >>>
> >>
> >>
> >> Make April 15th just another day http://www.fairtax.org
> >>
> >>
> >> __________________________________________________
> >> Do You Yahoo!?
> >> Tired of spam?  Yahoo! Mail has the best spam protection around
> >> http://mail.yahoo.com
> >> _______________________________________________
> >> S-CAR-List mailing list
> >> S-CAR-List at audifans.com
> >> http://www.audifans.com/mailman/listinfo/s-car-list
> >>
> >
> > _______________________________________________
> > S-CAR-List mailing list
> > S-CAR-List at audifans.com
> > http://www.audifans.com/mailman/listinfo/s-car-list
> >
>
> _______________________________________________
> S-CAR-List mailing list
> S-CAR-List at audifans.com
> http://www.audifans.com/mailman/listinfo/s-car-list
>