Interesting read here
http://www.gtrlife.com/forums/topic/..._fromsearch__1
http://www.amsperformance.com/resour...a-t-bolt-clamp
Ams.. these guy are quite literally imo one of the very best shops out, Interesting that they use worm style clamps on their 40psi 1500whp GTRs ;-) take a read!! very interesting!!