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    Running rich in the midrange - not sure how to adjust

    "Hi Folks, I went to dyno today and had a few suprises. The first was the wideband Air Fuel measured on the car was off the charts rich (below 10 which is not measured) from approx 3000 to 4000 rpm then it straightened out in higher rpm. Also, my idle was way rich. The second one was...
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    Can't build boost and new noise

    Hello, I just purchased an 87 GN and added some modifications. Unfortunately, I did them all at once so it will be harder to troubleshoot and now can't build boost past 11psi according to factory boost gauge. Before changes the guage showed about 17psi. I added new TT chip, RJC Power...
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