When our ’04 4Runner’s rear axle was upgraded to a Currie F9, we knew it was the perfect time to change the ring-and-pinion ratio to something that better matched the ’Runner’s oversized rubber. With the F9 installed out back, the next step was to swap the front gears to match.?>
We’ve also discovered a slick way to make your wheels much, much stronger than stock while sidestepping the hassles associated with beadlocks.
Good stuff. Read on.