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Re: [turbobike] turbocharging a 1074 gsxr

Dave Morrill (david.p.morrill@fairchildsemi.com)
Mon, 12 Apr 1999 09:05:45 -0400

Rick,
    I'm curious, what's your compression ratio and how much boost can you run
on pump gas?

Dropping compression on my bike was a pain in the butt, but I wanted to use
pump gas.  I went from 12:1 to 7.9:1.

thanks,
    Dave.

Rick wrote:

> Hi George
>
> >
> > Hi my name is George and I live in montreal,Canada.
> > I have a nitrous injected 1100 gsxr in a 750 frame.The bike made
> > 137.5hp at the wheel and 190.2 with NOS.Quarter mile time was 10.16
> > @147mph.I know want to turbocharge but I need some info.I'm aiming at
> > 210-240hp with stock internals.What turbo can I use that I can scavenge
> > from a car?Can I use my stock 38mm carbs and do I have to modify
> > anything?My friend is a machinist and he owns a tig welder.We will
> > fabricate the headers and intake.Can a T-3 garrett be used?
>
> The T-3 will work
>
> > How do i get the oil to the turbo and back to the engine?
>
> Tap into the main oil gally plug on the right side below the ignition cover
> if you mount the turbo high enough you can drain into your clutch cover
> if you have to use a pump or use the suction from the engine oil pump
> to draw the oil out.
>
> Do I need an
> > oil pump?How can I lower the compression using stock pistons?
>
> leave the compression alone
> I run mine stock with 26PSI
>
> Turbo Rick
> 350HP Turbo GSXR1100 Street bike
> Web Site  http://www.ptw.com/~gsxr1100/
> Southern California Timing Association 1998 Fastest Bike of the year
> EL Mirage Land speed Record holder 204.626 MPH
> E-mail gsxr1100@ptw.com