Differences in Front Brake Rotors (Single Rear Wheel trucks vs Dual Rear Wheel Trucks)

[UNIMOG-GUY]

Hey guys looking for some help/advice….

I did multiple searches with different key words and phrases and didn‘t find what I was looking for...

Does anyone know if there is any additional braking performance advantage in using:

https://www.autozone.com/brakes-and...or/p/duralast-disc-brake-rotor-5564/48875_0_0
This part is for a K30 w/ dual rear wheels.

VS

Duralast Disc Brake Rotor 5563

Shop for Duralast Disc Brake Rotor 5563 with confidence at AutoZone.com. Parts are just part of what we do. Get yours online today and pick up in store.

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This part is for a K30 w/ single rear wheels

I have a 1986 M1028A2 w/ single rear wheels.

My question is does anyone know if the part# 5564 for the dual rear wheel trucks will fit the single rear wheel truck?

It‘s dimensions are larger which I would think would help with braking performance due it‘s larger size and additional heat distribution of brake cooling on a larger surface.

 

[UNIMOG-GUY]

Do I have to have this type of rim to clear the larger rotors?

 

[gringeltaube]

It‘s dimensions are larger which I would think would help with braking performance due it‘s larger size and additional heat distribution of brake cooling on a larger surface.

The OD is exactly the same for both (12-7/8"), so the actual contact surface would be identical, too. Only thing different (as if 0.4 mm made any difference....?) is the total "height": 77.8 mm vs. 78.2mm.