Originally Posted by
Raj_FRST
you can manually test the strength of the spring but if you dont have an idea of how string it should be then its point less, CR turbos are the best people for advice on this, they should tell you over the phone what to do

thanks alot- advise much appreciated i'll have to give them a bell thanks for the number

any suggestions on an alternative to an electronic boost controller for a tighter budget? or are some bleed valves maybe better than others?
mine is just an old brass jobby