Boost Spiking...

[BE6027]

hey guys, got a s1 stagea gt35r turbp front mount haltech comp full exhaust injectors, pretty much the lot, also have a turbosmart 2 stage bosst controller, it is turned all the way down on both, but the car seems to run max boost, then boost cut stops it, its really frustrating me, an it only be a whole in a vac line? can there by any other ways boost can spike? shed some light on my situation, cheers...

[R31Nismoid]

First of all i'd turf the turbosmart item to be dreadfully honest.

Turbosmart make some good gear, but thier dual stages are nothing but trouble most of the time.

Especially considering your running a 650-700hp turbo, you really need good boost control, its very critical.

I'd look at using a different type of controller, on the cheap - turbotech ones or whatever, or a decent EBC.

Your also running an external gate i take it?

Or not? Thats a key part aswell.

[BE6027]

HAD A GOOD LOOK, VAC HOSE TO EXTERNAL GATE HAD GOT A HOLE IN IT, THOUGHT IT WOOD ONLY BE A LITTLE PROB, YEH LOOKIN INTO A ELEC BOOST CONT. CHEERS FOR YA HELP EH