Re: AMM @ WOT?? - Saab Performance Bulletin Board - Saabnet.com
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Re: AMM @ WOT??
Posted by Hans (more from Hans) on Wed, 17 Nov 2010 17:14:35
In Reply to: AMM @ WOT??, DrewP, Wed, 17 Nov 2010 09:20:40
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Drew, if you search here for posts by Ragnar, you might turn up some more information on this. (He wrote the LH 2.2 Editor software that's floating around the 'net.) If memory serves, I believe Justin's correct: at WOT, Jetronic uses a one-dimensional RPM map only, with trim from the coolant temp sensor, but no O2 sensor input. My understanding of voltage clamps is that they were used to keep LH2.4-equipped cars from cutting fuel at 5V (as you know, LH2.2 cars used a pressure switch), but I don't think it's safe to automatically conclude that the signal was also used to determine injector pulsewidth at WOT.
BTW, if you want to look at Jetronic maps, go to the T5 Suite forum and check out the Jetronic section; shouldn't be too tough to scare up a couple.
posted by 24.17.5...
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