Here at the shop we also Dyno test engines we did not build. Reasons why to have an engine tested.

1. You purchased a new or used engine without seeing it run.
2. Finding issues before install.
3. Receiving a performance print out so you know what you have.

This 6.0 LS was brought in for testing with a build sheet.

Parts include: Rectangle Port LS Heads, BTR Turbo Cam, H Beam Connecting Rods, Mahle Dish Pistons.

This LS made 470 HP & 430 TQ.