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I just got my whole engine rebuilt from the mitsu dealer and since I have gotten my car back the boost won't go any higher than 6psi even with the boost controller. So I took the car back to the dealer and the dealer says the stock boost pressure is suppose to be around 2.9-8.7psi. Then I took it to the other dealer and they said the samething. Anyone know what I can do to boost up.
 

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Yes, they are absolutely right. This is stock boost ... without the stock boost solenoid ! Simply said :
a) boost controller hoses are connected wrong.
b) leak in the IC piping
c) never let the dealer do some tuning work.

Let someone check the hoses and everything around the IC iping.
 

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WHAT!?! Somethings hooked up wrong in your boost contol system. If you hook a boost source directly up to your wastegate actuators then you'll get roughly 6.3psi. Some things is not right...Stock boost should be like 9 psi on 91-93 and 12 on 94-99's...

Trev
 
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