•The firing order on all LS engines is 1-8-7-2-6-5-4-3; on Gen I/II it’s 1-8-4-3-6-5-7-2.•Bank offset was changed to .9488 in. from the previous .8800 in.•Gen III/IV engines are approximately 100lbs. lighter than Gen Is.•Connecting rods are shorter (6.098...
The AFM cylinders are opposite of one another in the firing order. In four-cylinder mode, they act like air springs and allow for smooth operation. As engine load increases: The computer sends a signal to the LOMA. The LOMA solenoids close. Oil bleeds off the lifters. The lifter...