Replacement Rotors? Has anyone tried Dynamic Friction?

[RushB]

They are about $300 a pair vs 1300 for OEM. Has anyone tried these out?

Most of my driving is spirited on twisty roads, no track days.

https://www.rockauto.com/en/moreinf...oUGCgjjV9Yv0zXUQKHhZvHz7ssyONJs4PZAhWL28hjw==

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[Tomeck]

From the looks of it, this is just a cheap, primitive copy. The discs aren't floating either.

 

[galaxy]

The term 'get what you pay for' was the first thing that popped into my mind. And @Tomeck is right. Didn’t notice that the first time. If the photo is accurate, that’s a hard pass. And at that price point, no way it’s a two piece. I get smart budget decisions, but you drive a 350 man, do it right!

 

[JAJ]

They are about $300 a pair vs 1300 for OEM. Has anyone tried these out?

Most of my driving is spirited on twisty roads, no track days.

https://www.rockauto.com/en/moreinfo.php?pk=11601185&cc=0&pt=1896&jsn=354&_nck=oyash5Nnbqa+Viwt4f64JkGl+xaN82ZcYFgRVF0Tk/EBS8LolZZFh3kTQ627w1fas5T61fUA/hs3EtK2/3ui/WvNg/KuI4e0z+T3FA/Efc00gB3PW2/WrOxLgNlnRtPZV1989qVf0pOEnNpO+ob3D+ZeSoALgf8VUY1QQm+bRdk3IIdRfJxbZ8VZ8KvONy+BUHr6e96qhZn+Ud9uM9pRyBzeHLzS9WRqw9aDSiWBhPWVUtwbHSznjx8bNfxWtDIHxOQsek4iW076irXW14y0hEzU/7VNMgALNyhgjJl8bVidbv4GqPe0Y8KOXLl4zRwU2q7CCbXR5pBoUGCgjjV9Yv0zXUQKHhZvHz7ssyONJs4PZAhWL28hjw==

This is what they actually are:

https://www.dynamicfriction.com/det...brake-rotors/MTQwNDg0LTEwMy0xLTYyMC01NDA4MUQ=

About 4 pounds heavier than the OEM rotor, solid cast iron rather than two-piece floating. Basically the kind of rotor that OEM's like Ford use on "regular" cars like the base Mustang.

Nothing wrong with them, they'll look ok, but they're not a good choice for anything that involves repetitive high-G braking. The factory GT350 brakes, with the two-piece design not only avoids disk distortion at high loads, it also keeps heat out of the wheel bearings.

There is a half-way alternative to the OEM Ford brake rotors - SHW FFL43125/26 rotors. They're made by SHW, the OEM supplier to Ford for the GT350 brake rotors. It's basically the same rotor with a different looking hat. Cheaper than OEM, better than one-piece cast iron.

https://carrollshelbyracing.com/shw...-front-cross-drilled-lw-brake-rotor-ffl43125/

 

[WItoTX]

Stock 350 rotors aren't real 2 piece rotors anyways in that you can't just replace the ring.

Personally for spirited driving only, I would give them a shot. You're only out 300 if they suck.

And not a chance stock are $1300. True 2 piece girodiscs are $1300. I'd go the girodiscs route if it were my money.

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