Boost

[Jeremy Gonyou]

Toyota would feed enough fuel through that unburned fuel would explode on 
the exhaust manifold.  Good for spoolin' the turbo - good for crackin' the 
manifold.

Jeremy


>The best way to reduce lag is to use rally car anti-lag which involves 
>using
>an air bypass valve to let air around the throttle butterfly, retard the
>timing heavily and inject lots of fuel.
>This has the effect of large backfires which spin the turbo even at very 
>low
>rpm when off the throttle.
>
>Phillip Martin
>
>----- Original Message -----
>From: "Bob Wooten" <r71chevy at earthlink.net>
>To: <gmecm at diy-efi.org>
>Sent: Sunday, December 03, 2000 7:11 AM
>Subject: Re: Boost
>
>
> > which is kind of my point.  sounds to me like this is something that is
> > mostly for a stick in either street or Auto X (or F1 or somewhere else
>that
> > they use turbos) applications where this is an issue & i would think not
> > for Drag @ all.
> >
> > thanks for the info gents, as usual very insightful.
> >
> > BW
> >
> >
> > > [Original Message]
> > > From: Bruce Plecan <nacelp at bright.net>
> > > To: <gmecm at diy-efi.org>
> > > Date: 12/2/00 8:23:07 PM
> > > Subject: Re: Boost
> > >
> > > Engine still changes rpm.
> > > At 100,000 rpm it doesn't change speed as fast as the engine.
> > > I power shift the GN all the time (It's an auto)
> > > Bruce
> > >
> > > > do you mean that w/no backpressure the turbo is spooling even though
>the
> > > > throttle is closed?  & then when the trottle is hammered back on & 
>the
> > > > clutch let out that it is still spooled up?  does no-one that drives 
>a
> > > > turbo power shift?
> > > >
> > > > BW
> > > >
> > > >
> > > > > [Original Message]
> > > > > From: Jeremy Gonyou <jgonyou at hotmail.com>
> > > > > To: <gmecm at diy-efi.org>
> > > > > Date: 12/2/00 2:44:43 PM
> > > > > Subject: Re: Boost
> > > > >
> > > > >
> > > > > >A blow off valve is to bleed air from the compressor spike when 
>you
> > > slam
> > > > > >the throttle body shut. It's supposed to stop you from damaging
>your
> > > > turbo.
> > > > > >However, in talking with people who build turbos and have been in
>the
> > > > > >industry for a very long time, it's their feelings that the blow
>off
> > > > valves
> > > > > >available to people like us don't really serve that purpose 
>because
> > > they
> > > > > >react too slow.
> > > > >
> > > > > I think that the real reason people want them is for the improved
> > > > throttle
> > > > > response between shifts.  The idea is that with a blow off valve
>your
> > > > turbo
> > > > > is free to spool with the throttle closed and you have your boost
> > > > availabe
> > > > > when you let out the clutch.  Kinda like toyota's cool bang-bang
> > system
> > > :)
> > > > >
> > > > > Jeremy
> > > > >
> > > >
> > >
> >
>____________________________________________________________________________
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> > 
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> > > >
> > > >
> > > >
> > > > --- Bob Wooten
> > > > --- r71chevy at earthlink.net
> > > > --- 71-91 Camaro
> > > >
> > > >
> > > >
> > 
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> >
> > --- Bob Wooten
> > --- r71chevy at earthlink.net
> > --- 71-91 Camaro
> >
> >
> > 
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