Recent content by racer240sx

I am helping my brother build a ITB Honda. I am interested in the seat. In the GCR it stats it has to meet FIA specs. Does this not apply to all classes? I see GT cars down to IT cars with Kirky seats all the time. I don't see any FIA stickers on them. How do they meet spec? I just want to know...

I have a 93 240sx I am building and was wandering what spring rates I should start with? I plan on running at Atl. Nash, BIR, Sebring, VIR. and maybe a few other tracks. I have ran BP. & GT1 corvettes till now so these cars are new to me. I have Whiteline sway bars. I have 205/50/15 R6's but...