Thread: S40 t4 2001
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Old Jan 9th, 2019, 21:12   #2
clarkey1984
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You can shorten the actuator arm between the turbo and the wastegate which will give you more boost, however I absolutely wouldn't do this until you have a boost gauge fitted so you can see where things are, standard is 14 psi, mines running 18 psi with a stainless system and no cat, running 99 octane fuel always, it is most definitely not slow, it is however also broken, unrelated to the boost I think (piston rings) but it does pay to be careful, not something to be done lightly.
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