How do you tune an ECU without knock control

[Bruce]

I guess some adults do believe in fairy tales.
Check out rod bearing wear, oil break down, and the like.
I put well over 200,000 miles on my LG4 Firebird, without a problem, and
that included hundreds of 600' and 1/4 mile passes, without so much as
taking a valve cover off (other then to install 1.6 rockers).  I did a
timing chain at 160K miles for grins.  I put 90K miles on a 1500cc 155HP
Fiat, and the bearings, rings pistons etc, were like new, reinstalled the
old rings, and new bearing and went another 90K miles.  I won't bore you
with all of my customers cars (when I used to do mechanical work).
Anyone that indorses running trace or tip in detonation, oh never mind.....
Bruce



----- Original Message -----
From: "Bernd Felsche" <bernie at innovative.iinet.net.au>
To: <diy_efi at diy-efi.org>
Sent: Wednesday, October 03, 2001 8:51 PM
Subject: Re: How do you tune an ECU without knock control


> Bruce tapped away at the keyboard with:
> > So they are writting fairy tales for adults now, how interesting. <g>
> > And to think some scoff at the little guys around here.
>
> Nothing wrong with "light-knock". My car's had it since new; now
> over 240,000km without any damage due to knock.
>
> These fairy tales are recognized Engineering practice. (At least
> according to a number of SAE papers.) Knock will start to do damage
> if it's severe enough to strip the boundary layer off the surface of
> the metal, allowing direct contact between the burning gas and the
> metal. The boundary layer usually insulates the surface from
> temperature and velocity extremes.
>
> > From: "Stephen Webb" <swebb at netlab.uky.edu>
> > > This is normal
> > > and actually enhances [economy/power]"  blah blah, your engine
> > > is designed to tolerate this for brief periods, blah blah.
>
> --
>  /"\  Bernd Felsche - Innovative Reckoning, Perth, Western Australia
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