Not enough boost.
Hi guys,posted this problem before with no reply's so thought i'd try again.
The problem is that my car MY94 wrx sti version 1 (import) is only producing 0.5 bar (7 psi) of boost. It originally came with a blitz 2-stage boost controller although the electronic controller is missing,the under bonnet unit (black box with 2 pipes feeding into it!) is still there. So i decided to remove this box and re-connect the boost pipes back to the wastegate controller. Now am i right in saying that the boost pipe (coming from the turbo) connects to the bottom of the controller and the pipe from the actuator connects to middle of the controller,top pipe vents into the air flow pipe. Ive reset the ecu (2black + 2green) and the ecu reports no faults but iam still only producing 7psi of boost. Hope all that makes sense!!! |
So have you connected the pipes to a boost solonoed that isn't being controlled by anything. Is the solonoed you are conecting to, the oem three port jobbie?
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Originally Posted by DaveC1
So have you connected the pipes to a boost solonoed that isn't being controlled by anything. Is the solonoed you are conecting to, the oem three port jobbie?
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Think your pipes are wrong. Found this;
3 port Top - compressor/turbo Middle - actuator Bottom - Air Inlet from manifold I'm just quoting from another thread. So get sombody to confirm. Hope it helps |
confirmed...
Wrong way round fella Dave has it right. Andy |
Will swap them around and i'll let you know later - fingers crossed!!!
Thanks for help too :notworthy :notworthy :notworthy |
Cheers guys, that has made a huge difference to the performance of me car.
running at 1.2 bar with the odd flame out in second gear :norty: Many Thanks guys!!!! :notworthy :notworthy |
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