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Discussion Starter · #1 ·
My 9000 Carlsson has been tweaked over the years but i have no specs as I just aquired the car!!!! I see it has a manual boost control valve like the one by Abbot Racing. At the moment the boost gauge goes off the scale when I accelerate and although this is fun I would like the car to last more than a week!
Do I have to tighten or loosen the valve to calm it down a bit. I spose I should just experiment but I'm lame and don't want to break it.

Thanks for the help

If anyone is interested I might sell the car
'89 175K Red
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