lol

 

I was thinking about this. How reliable is your bike even at 5 to 6 psi? Do you have to decrease compression ratio b4 you turbo?

 

Mine have now 108 rwhp 5-6 psi add 35-45 hp..
I have consultating with Dan at A&A perf. ,and it say for this boost
You cant change the original compression ration..of course if you change
It,its better(better change save your engine )
Forexample if you take a double head gasket,your compression ration go down