Related Photo Galleries
Livernois Motorsports sells this hot rotating assembly that fits a 4.6 engine. Livernois is currently experimenting with a 3.70-inch big-bore aluminum block with a 5.4 crankshaft destroked to .400 inch. That equals about 344 ci. Dan Millen tells us that the combination will be naturally-aspirated and race only--we can't wait to see it run.