15. If you're looking to go the all-out ground-pounder route with your classic pickup you might wanna give the BluePrint BP3740CTC some consideration. This is just one of the company's carbureted LS-based engines built around a seasoned 6.0L iron six-crossbolt main blocks. They're assembled with the same high-quality components and precision assembly as their standard small-block Chevys, but with 440 hp and 415 lb-ft of torque. BluePrint also offers their LS-based engines in injected form as well.