Here's a real build that runs 10.50's at 3300 in a ladder bar Duster.
360, KB107's, stock rods, ported w2, 12:1, Isky solid cam 250/258 at .050 .545/.547, MP roller rockers, Victor manifold, 950hp, spacer, MSD dist & digital 6, tti headers. Made right at 540hp.
Got run to 7500 on occasion, with 1.40 flat 60's
Engine was updated with a different cam and some other work. Now makes in the 580hp area. It's currently for sale at $4500.