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boost fluctuates
Posted by Robert (more from Robert) on Wed, 2 Jun 2010 15:42:50
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I just had my heads ported and polished on a 91 900 spg now my boost fluctuates. The APC gauge never gets all the way to red. its more orange red and then it pulses. A saab apc guage shows about 1 bar max and then drops to .8 back up to almost 1 then down to .8 or so then it keeps getting a little lower..maybe .9 then down to .75 or so. I used to be able to go all red and it was great, but now it is frustrating because it doesnt boost and build or hold. HELP please !! I adjusted the gate more open and then back but that didnt appear to help much... I alos had th etiming chain changed with the job and new silicon air hoses put on.. Most guys have said I didnt need to adjust the gate. I feel like there is a pressure leak but not sure...any help is appreciated..
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