No subject

effecting the timing. It will add some lower end performance but your high
end performance will suffer. I also heard that the turbo will kick in
earlier as well.

Zsolt

----- Original Message -----
From: Ken Keith <auditude at neta.com>
To: <quattro at audifans.com>
Sent: Wednesday, February 28, 2001 5:06 PM
Subject: re: timing belt change - advance/or not


> It's my recollection from the very old Franco sprocket thread, that
> changing the cam timing will not adversely affect the ignition timing
> on turbo cars.  It was with an n/a car that you needed to somehow
> compensate for changed cam timing, since the mechanical
> distributor is driven off the cam.
>
> From my novice perspective, this would make sense, since the
> ignition timing is probably more related to the position of the piston
> in the cylinder, than the state of the intake/exhaust valves.
>
> My $0.02,
>
> Ken
>
> Beatty, Robert BeattyR at ummhc.org wrote:
> >
> > Wont this interfere with the ECU's correct control of the
> > mixture/spark timing?  This is on a 5ktq not on a N/A 5cyl car.
> >
> > Rob
> >
> > -----Original Message-----
> > From: GMBCHEF at aol.com [mailto:GMBCHEF at aol.com]
> >
> > Try 6-9 degrees first, then go down to 3 and try to find something in
> > between that works good for you. Remember your engine is an
> > interference engine, so you have to be careful of that. I have mine
> > set at 3-1/2 degrees retarded on
> >
> > my 4kq cause the head is shaved so much. Also, when you move cam
> > timing, your only moving the powerband, not increasing it. HTH Gary
>