Toyota Celica Supra Forum banner
1 - 1 of 11 Posts

· Registered
975 Posts
LegendOPower said:
I know people are running boost without upgraded springs,
BUT if you plain on running some good boost I know there is a certin GM v8 valve springs that are a good upgrade (someone hop on and give which exact engine they are from!)
Small block Chevy
1 - 1 of 11 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.