In the modern hot rodding and racing world it sometimes seems like the only thing that anyone wants to power their machines with is an LS, and for good reason. I mean these engines have great cylinder heads from the factory, and are capable of supporting big power in relatively stock form. The wonders of modern technology and years of engine development have really done something for all of us horsepower junkies. But technology also came to the forefront of Big Block Chevrolet technology and that means the last 454 Gen VI big blocks make some real steam as well. So if you are looking to make real power, in a junkyard based combo, which of these two is the one to choose?

Richard has done a ton of testing on both combos, in a variety of naturally aspirated and boosted combos, so he’s got the data and that’s what this most recent live video is about. Check the info out and lets see what choice you make for yourself.

Video Description:

DYNO RESULTS-COMPARISON. IF YOU ARE LOOKING FOR A “NEW” JUNKYARD MOTOR FOR YOUR PROJECT CAR, WOULD YOU PICK A GEN 6 BBC OR A 5.3L LS? WHICH ONE MAKES MORE POWER? LET’S TALK TECH