Originally Posted by m4a1mustang

It's not a big deal for an LSX because those engines are huge, old school pushrod designs. They can make a lot of N/A power with head/cam upgrades.

To pull 507 whp on a Dyno Dynamics ("heartbreaker") machine from a naturally aspirated OHC 5L V8 is a pretty big deal, IMO.

Anyone with any knowledge whatsoever understands that our OHC engines favor boost. So any time you can lay down some nice numbers N/A it's always a big deal. These aren't LSXs!