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This is on an 86 4Runner with 31's. I was hoping it'd just increase braking power due to the larger piston. From memory, I thought I'd read that it'd be a help to any Toy with larger tires.


It's not that simple. Pedal travel and feel will change too.

As for bigger tires, I have the larger IFS 6 cyl calipers swapped in and larger drums in the rear (IFS rear axle swapped in) and 36" tires. The stock MC stops them just fine.

Just make sure your entire brakes system is in good order (pads/rotors/drums/shoes, no sticky or frozen pistons in calipers or rear wheel cylinders, and fresh fluid. Brake fluid goes bad after a few years, it absorbs moisture. A complete flush is a good idea every 3-4 years.

- seen in FOUR WHEELER mag July 2006 & OFF-ROAD mag Feb 2007 -
'84 4Runner ARBed 5.29s F&R,4.7 & 2.28 t-cases,hy-steer,BudBuilt skid,30spl Longs,36" TSLs,Chevys

'83 P/U, Buick 231 V6,Holley 4 bbl,Weiand intake,Downey headers,TH350 w/700R4 gearset