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Alabamarama
Aug 22, 2013
It's probably worth fixing/replacing the idle valve on the 3B, but fwiw I have had excellent results using the "cracked open throttle body with adjustment screw" trick using megasquirt.

Keep up the good work. As a fellow 20v audi owner I love to see this thread progress.

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Alabamarama
Aug 22, 2013
Is it anything like the one on the AAN? I'll have a look a d see if I have a spare if you still haven't figured it out by next week (I'm out of town at the moment)

I set the butterfly valve on my car running megasquirt so that it idled at 900rpm at ~60°F. When it was ~30°F it would idle at roughly 1000rpm and when it was ~90°F it would idle at roughly 800rpm. I may have those backwards but point is it worked great.

Alabamarama
Aug 22, 2013
Just in case you were thinking of buying one...

I recently had my fancy Tommis billet adjustable cam gear throw a bolt, which then lodged between the crank timing gear and the oil pump housing. Carnage ensued.

If you want to adjust cam timing, I would probably go for the adjustable gears that the little chain rides on. I haven't been impressed by the fit of Tommis billet products. Doesn't clear the upper timing cover either.

So far my mileage record between breakdowns stands at 917 miles. It's such a nice car when it works though.

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