Here's my brother's '69 GTO on the Goodguys Autocross in Columbus, OH.
505 C.I., dynoed at 606 hp and 640 tq
310 cfm Edelbrock heads, 1.5 rockers
Comp hyd. roller 252/262 magnum lobes 110 LSA
Victor and 1050 Pro Systems Dominator
1 7/8 Dougs Headers w/3" exhaust and Super 44 mufflers
TH-400 w/Gear Vendors
3.73 geared 12 bolt
Air Ride suspension
18" wheels w/Nitto 555's
http://www.youtube.com/watch?v=cdHxRogsqsk