If you were less concerned about maximum power and more about having 450 hp with a dead-smooth idle and optimized drivability, the factory Gen 3 LQ4 camwould be the obvious choice. This was the ...

There it was, an honest-to-goodness, aluminum L92 engine. Don't get us wrong, we love every single junkyard 5.3L LM7, but they are usually ratty, greasy, and full of rodent droppings. Yes, you heard ...