Car Craft Magazine Homepage Car Craft

P122524 Image Large

P122524 Image Large

EFI’ng Great: TPIS ZZ 450
This prototype assembly used 0.030-over Ross forged pistons, moly rings, heavy-duty bearings, and ZZ4 powdered-metal (PM) rods. GM says the PM forging is superior to the old “pink” rods. View Related Article
P122510 Image Large P122511 Image Large P122512 Image Large P122513 Image Large P122514 Image Large P122517 Image Large P122522 Image Large
P122523 Image Large P122524 Image Large P122525 Image Large P122526 Image Large P122527 Image Large P122528 Image Large P122529 Image Large
P122530 Image Large P122531 Image Large

 

 

Get Adobe Flash player

Car Research Guide