Dart LS3 pro1 heads
#21
#24
Hard to believe that motor makes that power with those specs. Nascar boys did wonders on those heads to say the least.
#26
Wegner says that they make 620-625 hp and 510 tq on the ls2. They make 680 with the ls3 head on a 6.2 @ 11 to 1. These engines are nothing exotic just the right combination.