vipvegas

iTrader: (13)

Im running whatever came as the stock spring with the sts kit. But now have a 383 stroker with TC78. Im running the sts dual boost controller. Do I need to switch springs to achieve 10-12 pounds on the low side and 15-16 on high side mode? I believe with my old 67 in place I was hitting like 6-8 on low mode and at switch 12.

code4

iTrader: (30)

I had to put 2 springs in to hit 15#'s of boost. Exhaust pressure was opening the gate regardless of what my boost controller was set at.

vipvegas

iTrader: (13)

maybe tial would have some incite. Just curious Im going to be driving six hours for a tune I want to make sure it will be able to get into that much boost.

vipvegas

iTrader: (13)

is there some sort of theory or calculation to find out this.. Anybody who could shed light would be great..

dudeman

iTrader: (43)

what color spring is in the wastegate?

vipvegas

iTrader: (13)

I believe it is yellow? whatever comes with the stock sts kit.. I was going to grab the spring one size bigger and carry with me incase I need it once I get there for the tune.

dudeman

iTrader: (43)

is it a tial waste gate? what size? this tells you the spring pressure the springs is rated at.

http://www.tialmedia.com/documents/w3_tial_44_sp.pdf

vipvegas

iTrader: (13)

It is a tial 38mm supplied by sts. Guess I will remove spring tommorrow and see whats in there. I know when I had the car running with a T67 in place I was holding and running 7-8 psi max on the low setting/on spring. And 12 with the high ending setting/ running through sts dual controller. So I want to hit like 10 on the low setting so Im thinking I got to up the spring. Maybe to the Large red. So I get a little more boost on the low setting and will be capable of more on the high setting.