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Re: Audi WUR Posted by 99Super [Email] (#2837) [Profile/Gallery] (more from 99Super) on Sun, 8 Oct 2006 20:46:31 In Reply to: Audi WUR, JesseP, Sat, 7 Oct 2006 16:41:38 Members do not see ads below this line. - Help Keep This Site Online - Signup |
There is an issue w/ using the Audi WUR, and that's an imperfect warm-up curve, but I can live w/ that.
One of my manuals shows 2 types of enrichment that the Europeans got on their 99T's.
This one uses a WUR w/ a backplate that allows the WUR to dop ~1 bar under vacuum. Since the 99T needs the enrichment under boost, you have to get vacuum from a bottle, isolated by a check valve and activated by a small solenoid valve that runs from a switch on the throttle body at WOT.
In conjunction w/ the Lambda enrichment, and the late 900 FD, it has plenty of fuel at full boost. I also have the system pressure bumped up to 6 bar.
All this and it remains very street driveable.
john
posted by 4.253.96...
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