Hey everyone,

This is a definite noob question that there is probably plenty of answers to out there, but I did some searching around the forums here and couldn't find what I was looking for, so I'm hoping someone can help me out.

I just picked up an EVO VIII turbo to use on a setup I'm putting together for my Honda Civic, and it comes with the stock wastegate. It's my understanding this is set at about 11-12 PSI. Is it possible to buy different springs and just pop them in to set it at different boost levels? I might want to 'break it in' on like 6 PSI, and then eventually end up at no more than 15 PSI.

So is this something that's easily doable, or should I shell out for an external wastegate? Thanks in advance for any help.

 

not easily doable.... They are sealed units clamped together units and the only way of getting to the spring is to cut it open.

You should just weld the flapper shut and use an external wastegate.

 

Hm, OK, thanks for the help! Can anyone confirm the stock wastegate is like 11-12 PSI?

I've also seen people saying something about twisting the rod in to tighten the spring a bit. Is this a viable option for loading it up for a couple pounds more boost? And if you can turn it one way to up the boost a tad, can it be turned the other way to lower the boost a bit? Sorry for all the noob questions!

 

The stock wastgate cracks anywhere between 12-15PSI. You may get it down a tad by backing it out but itll be nowhere near 6psi.

 

Just use a little self control, observe your boost gauge, and stay off the loud pedal. There is no need to go welding things shut or to purchase expensive remote gates either. If you were to weld it shut, then you would need to "unweld" it after breakin.