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Re: LARGER BRAKES FOR 17 WHEELS
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Originally Posted by carringb
Quote:
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Originally Posted by BajaSportsmobile
One thing that I have thought about is upgrading to the larger rear brakes on the rear axle of a late model van that still fit in a 16 inch wheel.
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I thought about this too. The caliper pistons are actually smaller. The larger rotors no doubt shed heat better the the larger calipers are stiffer for better feel. But I don't know that absolute stopping force is necessarily much better. OTOH E450 rear brakes get both the larger rotors (the same ones) but also larger caliper pistons, and still fit 16" wheels. At least steelies. I doubt aluminum 16" would fit the E450 calipers. |
The 2013 E250 we are working with right now has bigger rotors and calipers and fit a 16" wheel.
The real advantage is that the larger diameter of the rotor produces more brake torque. Another way to look at is that for every revolution of the axle/wheel/tire and rotor, the larger diameter rotor with a greater circumference has more surface contact with the pad per revolution. Same concept and using a longer lever...
When we upgrade race trucks from 12.2" to 14" rotors without changing anything else; the brakes are significantly better.
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Four time Baja 1000 winner, four time Baja 500 winner. Solo'ed the Baja 1000 to LaPaz/Cabo twice.
4-Wheeling since 1972, Desert Racing since 1989.
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