Slow and Low (boost, unfortunately) - Saab Performance Bulletin Board - Saabnet.com
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In the course of a week, the boost in my 83 900T has gone from its usual 9.5+ tapering to 7, to 5 or so tapering down to 3, plus the bost, when getting up around 5 flutters .5 psi either way. Plus, the boost is taking forever to arrive; where it used to be pretty responsive, even around 2k, the car now wont really make much boost at all, unless I'm up near 3k. Oddly enough the car runs great, has no hesitation, missing, etc and has plenty of grunt off-boost. The car doesnt have any mods beyond a BTM, currently set at .8. This weekend, I put in new 6ES's gapped to .27, which made it start and idle better, but didnt help the boost issue. No tears or holes in intake boots, and the air and fuel filters are less than 3 weeks old. Whats going on here? WGA going wonky is my guess, but I dont wanna play diagnosis by credit card...
CW
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