Verify your base boost - Saab 900 Bulletin Board - Saabnet.com
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Verify your base boost
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Posted by AaronG (more from AaronG) on Tue, 13 Jul 2010 09:09:19 Share Post by Email
In Reply to: sweedish dynamics APC, Ed N, Tue, 13 Jul 2010 07:47:53
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Setting the base boost to the factory 6 or so PSI will make a world of difference in how quickly the car spools up. To set the base boost, unplug your APC box, and drive the car. The boost guage should go a little over halfway through the yellow. If its less than that, wait until the car cools down, and shorten the wastegate rod. Every turn is about .5 PSI. There is a strange pin that holds it on the wastegate rod. If you break it, just use a cotter pin in its place.

Your 88 9000 also had a garrett turbo, so there is really no reason why your 900 shouldn't have similar performance.

I have a group 6 APC box as well as the actual SAAB red one. The saab red one sucks. It is hard to tell any difference from stock. The group 6 one is a monster. I believe that it makes 30-40 extra hp. Both require your base boost to be set correctly for them to function as designed.

posted by 71.225.109...

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