[bigjacsoc]

Originally Posted by Z33dori

you need the 11 psi spring

if you go on Tial's site, they give you a chart for selecting the correct spring for your engine, not your boost.

generally sr's run 18-21in/Hg (vaccum) so Tial recommends their 11psi spring.

http://www.tialmedia.com/documents/w3_tial_bov50_sp.pdf

Idk if it makes a difference but I have an S14 Kouki SR with T28. What's the vacuum on it or can you direct me to a site with it?