Here is my engine , built by Scot Brown.

http://www.buyracingparts.com/dyno-ehead496.html

just had it freshened up after 800 runs and about 2000 street miles. 3600# with driver It went 10.18 131 mph 1.42 60 foot , that run was in mineshaft air -382 feet. usually goes 10.41

New best 10.18 , 1.40 60 ft 496 Scott Brown built, street driven 3600 lbs,654 hp , 653 ft tq