That is incorrect, the B body 12" rotor uses the same brake pad as the F body 11" rotor. The 12" rotor has more rotating mass weight than the 11" rotor and that weight on the 12" rotor has more leverage.
B body spindles
- Thread starter L67ss
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That is incorrect, the B body 12" rotor uses the same brake pad as the F body 11" rotor. The 12" rotor has more rotating mass weight than the 11" rotor and that weight on the 12" rotor has more leverage.
Bigger brakes work because of leverage. It doesn't have anything to do with brake pads size or rotating mass. The further you move away from the center, the more leverage you have, the more braking power you have. Period.
whatever, GM reduced the weight of each piston and rings in the 602 crate by 82g per piston and on the dyno the engine now reaches peak torque at 3200 rpm compared to 3800 rpm with the heavier pistons and rings, less rotating mass, more hp. And here is the upgrade for the 604 crate....
https://www.circletracksupply.com/je-srp-gm-602-crate-engine-piston-sets-4-valve-dish.html
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