WG spring vs psi??
 

if my tial wastegate comes with a 5psi spring...all i do is buy a manual boost comtroler to put it up to what ever psi i want??
no need to buy another spring is it?

Re: WG spring vs psi??
 

yes, unless u buy the spring with the desired amount of psi

Re: WG spring vs psi??
 

if your running a MBC run a lower spring such as 5-6 psi then you can up the boost past 5-6psi but u cant drop it past that pressure