Pros and cons to aftermarket wastegate on CT20 Options

[3WayStunna]

Would love some advice or just you guys imput on the the above topic. Some more info for you guys though. I plan on doing a forged rebuild of my engine. Yadda yadda ya and i have basically everything covered in terms of how i want my setup to be. Forged engine, aftermarket ECU, 550cc injectors. One thing on my mind that i always found a flaw with the CT20 though was with the wastegate. And yes, i want to keep the stock CT20. With that being said we all know the wastegate has its drawbacks.

And so much so, that their was a guide on here a while back with some method of making it work better. Cant find it as of right now though, but has anyone ever tried replacing the entire wastegate itself with one of these?



http://www.ebay.com/itm/Kinugawa-Adjustabl...fe2&vxp=mtr

Yes this is an aftermarket wastegate for internal wastegated turbos. The one listed is for a .5 bar version but they come in 1.2 and 1.5 variations. Will this have any sort of improvement in performance? Perhaps limit/lower boost creep at high RPM's? Or is it just an unncessary bit. Oh and one more thing, im not out for a specific horsepower number as measuring that is moot at my current location. I just want to be able to boost 1.5 bar without loosing power in high RPM's with the stock (steel wheeled) turbo.

This post has been edited by 3WayStunna: Sep 5, 2014 - 8:03 AM

[jbod]

For me the ct20 creeps once you start to make power with say an aftermarket ecu. Even after porting the wastegate path out as the angle the exhaust gases goes towards the actuator is almost a solid 90degree abrupt turn, and shaping the wastegate ports, i still get creep from 1bar to 1.07. There are many factors this could be however, method of boost control/bleeding air, choice of downpipe.. I think an external would solve this hiwever not something i personally want.. Too
Much of a pain