Damn, what to do! I cant decide between the 4.10's and the 4.30's. I know at 60mph, there would be about 140rpm between the two. Would the 4.30's really be that much more of an advantage over the 4.10's?


1969 Nova
454/M21/3.31
Mild mid-11 second weekend cruiser

1994 F150 XLT Super Cab 2WD
5.0/4R70W/3.55
(Daily driver)