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I got this '88 running without the FV. After I rebuilt the fuel head I checked the pressures. System was 6.0 B, CCP was 2.7 at 25C, WCP was 4.0. I shimmed the system reg. spring to get 7 B, adjusted the WCP to 3.65 (Leask WUR). It would sputter and smoke with some pedal and run like crap, this is with the car sitting. I finally disconnected the power to the WUR so it sees CCP all the time. Voila, it runs and sounds great. I do not have my AEM WB installed so don't really know what the AFR is but all I want to do is drive it about 30 miles from storage to my shop. I will stay out of the boost.
What doesn't make sense to me is why it was running so rich with the WUR powered, it should run leaner with the higher CP. But that is not what I'm seeing just looking at the exhaust. Crazy. Anyway it's getting a rebuild with SC cams etc. so not going to worry about it now.
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