chrisbz28ss

i have just rebuilt my lt1 added lt4 heads ,cam,roller rockers,throttle body,intake. ect and a lot of $$$$$. i need to know what kind of wrench is needed to get this optispark open so we can rebuild it.i ran out of money on this project.i was going to get a dyna spark for it but just don't have the founds now.after payoing for the heads being ported and the intake,studs,pistons,rods,&gaskets an six months with out my ride. any help would be app. thanks alot

shoebox

E4 torx socket or you can "make a socket" by removing one of the torx screws from the throttle body top plate and hold the non-threaded portion of it with some vice grips.

25thBird

hope this helps: http://www.streetillusionsracing.com.../opti/opti.htm