I can't believe questions like this still get asked. Go on the dyno sticky and 1/4 mile thread and see what other guys have done. Now with cams out with full porting you don't have to spend a ton to play with the top rollers.
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Jay@Mace Engineering USA
Direct Email//Google Talk:
Velocityport410@gmail.com
Home of the 31hp/33tq 25mm insulator/stg-3 ported manifold.
Drives: 2013 5.0 GT MT82 DIBM. Premium package//Track App//Navigation with back up camera//JLT oil seperator//Ford Racing GT500 AB//Ford Racing Strut//Ford Racing Procal.
12.4@114! With 2.0 60ft on all season street tires only at 500 miles
easy 11's with drag and CAI! With full warranty intact. Gotta love it!