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Boost issue. Any help?


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Fitted my new WEPR kit today. All nice and easy to do etc. Then started it up and sounded lovely. Idles as it should etc. I fitted the white and the green spring in my Tial MV-S which is supposed to be 0.8bar and reset my HKS EVC so that I can set it to wastegate pressure. It says to do a run and then it should match the wastegate pressure. Well, let's just say it went to about 1.4-1.5 bar before I backed off and it felt like it was going to go some more...

Any ideas?..

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Wrong Springs....

Try experimenting with springs but i wouldn't go over 1bar even for a few seconds if i was you, serious DET!

I want 0.8 dude.. Both Tial and Mike said it is the white and green springs which are in. I'm going to remove the springs and put a single black one in which should be 0.6 bar. When it's mapped again I'll run 0.6/0.8 spring and use the EBC to hit 1bar

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Wastegate could be plumbed in wrong.

I would triple check that.

I remember once not plumbing a CT9 in and it went boost crazy, scary stuff watching the boost gauge go places it shouldn't be!

Hmm I'll have a look tomorrow. All seemed fine. Top port is to my EBC, bottom is to to a t-piece to the turbo and then off to the EBC. Water lines are left open and the other two air lines are blocked off.

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hey matt, just plug in a vacum source to the bottom (side) port...if you've chosen 0.8 spring pressure..then hooking up the vacum up this way should give you that. at least this will help identify that the tial is working properly.


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