Knock with SAAB APC
jeg1976 at yahoo.com
Fri Jan 9 11:34:57 EST 2004
--- Brett Dikeman <brett at cloud9.net> wrote:
> At 3:08 PM +0000 1/9/04, Alan Pritchard wrote:
> > plus these guys can probably tell/hear/predict
> knock with their
> >god-like abilities ;)
> God-like indeed, because knocking you'll never hear
> can cause engine
> damage. When you hear it, it's VERY bad.
> NEVER 'tune' by ear.
Never say Never. We are spoiled with these turbo
motors, they are so strong it's silly. Knock will get
to them eventually, but a few hit's here and there
durring the initial tune will not phase them. If you
tune till you can't hear it anymore, then back off the
base timing a few degree's you'll be just fine.
'89 80q ... slow
'89 90tq .................fast
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