Originally Posted by JTECHSAFF
its normally the jets that are re-sized/removed to aid the bleed off of boosted air ,
not the valve internals
let me guess your problem was you couldnt get the boost high enough?
mm i see where you goin my mate is a old lancia techi he used to put a jet in the pipe from the valve in his grailie to get it to produce and hold more boost but never took the internals out