Okay, i own a 2004 turbo with stage 4 evo with the upgraded inter coolers and silicone hose kit and the upgraded wast gates. I was boosting 1.2 bars to 1.4 bars and it ran like an animal but evertime i would throw 4th at about 4500 rpm it would cut my 1.4 down to .7 bar . so now thet reistalled the stock wast gates and i lost that 1.3 and 1.4 bar now i only get 1.1 bar and the car feels alot slower. is their a way to increase the boost with the stock wast gate or should i try to find a difrent wast gate up grade from some one els and if so what company should i try????

 

The problem is you with have a trottle body shut-down around 1.3...you went into limp mode!...so what you need to do is back off the wastegates...this must be done with caution as both wastegates must be adjusted the same.

 

thanks

 

Sounds a bit like defusing a bomb. Careful.