Re: compressor surge butt bov opens a little
 

if your running low boost(8-10 psi or lower) you should take out the stiffer spring inside the bov and leave the softer longer one in that solved my problem and should work with yours

Re: compressor surge butt bov opens a little
 

leave it hooked up as-is but hook the bottom nipple upto a BOOST ONLY source. That bov will open faster than piss.

Re: compressor surge butt bov opens a little
 

if your fake type-S is actually working, try to loosen the adjuster out as much as possible