Here's a little write up on the process to get the fbody slave to fit the GTO's. I've noticed a ton of people asking about this, and, since I send the fbody slave with my Premium Monster Clutch kits I figured this would be a good time to break it down for you guys.
Here's the two slave...
A bunch of links to info about blowers that mount on top of the engine.
Stock Bottom End & Boost - Reliability List (Blowers Rape Your Cranks!)
Maggie Pulley Size info repository
TVS 19/2300 Info thread