hi everyone. i have a crazy problem. my wastegate seem to open real early in 1st and 2nd gear. in 3th and 4th gear i can get up to 20 psi. i am useing a eo-1 boost controller. my spring is set at 15 psi. it would never get that high if i am launching it at the line. i am running a super t70 turbo with sschrome manifold. 3in exhust from top to bottom. thank for any help.
87t
binh
87t
binh