Hi guys, just bought a Spec 1 R33 that has a manual boost controller in the engine bay (basically a sprung loaded thumb screw).
Question is:- is it clockwise to turn up boost, or anti?
It depends what type of device it is. If it's a ball and spring affair, you will wind it out to lower boost and in to raise it, if it's a bleed valve it'll be the opposite
Either way, wouldn't suggest raising boost without an aftermarket gauge
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