i have e boost controller....fucking brilliant... i can programme diffrent boost at diffrnt rpm, means i dont have to have it at full chat all the time, helps when wet....get 6 diffrent boost settings as well......
my bleed valve is infinitely adjustable,no just 6 settings.costs next to bugger all too!fucking brilliant.
i ran a jetted amal valve at over 400bhp on my old cossie engine too.worked very well.