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BUT, the GM drilled rotors look 10x better than any drilled and slotted rotors. Those look like Pep Boys ricer items.
GM rotors are a POS, only right side vent correctly, not to mention they rust. If you don't like the BrakeMotive, that's cool. there are plenty of other options...
I was looking to stick with z51 style but not go with OEM, I was looking at PowerStop z51 replacement rather than a base model replacement. I don't see what that wouldn't work but not sure. Also, I feel the same way about the look. Even though they are good brakes they look too small.
When you make the swap from JL9 rotors to the J55 size rotors they will require the J55 caliper brackets no matter who you buy the rotors from. If that's the direction you plan to go, acquire the brackets before you order rotors. You can get rotors from lots of places, but only GM made the brackets and they're getting harder to find.
I would skip upgrading to the Z51 brakes as even a jump to the Z06 brakes only improve the stopping distance by 3 feet.
I would suggest just upgrading the rotors and pads. I prefer power stop Z26's. Also the base brakes are the lightest out of the bunch reducing your rotational mass if you are into drag racing.
brakes shouldn’t be judged by measuring one stop, they’re really measured by several to many stops in let’s say tracking a car. How many hard stops it takes for brakes to fade and send you into the weeds.
One stop is more about the tires traction then the quality of the brakes. Z06 brakes are larger, beefier with 6/4 pistons utilizing fixed calipers, they’re better then the base and Z51. Of course the aftermarket BBK’s are better still, and as you say, lighter is better at the strip.
Thank you to everyone for all their input. I went ahead and ordered heavy duty front and rear caliper brackets. Just to make sure I have them for when I do upgrade. I javen't decided on pads and rotors yet, but I have enough information to continue research.