Quote:
Originally Posted by 08TxRunner
1 - will the coating survive brake fluid?
2 - how will you account for the change in piston to caliper clearance with a coating?
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As long as the orings aren't leaking you shouldn't need to worry about brake fluid compatibility.
DLC coating is .00025 inches thick. Even if the metal surfaces were used to seal instead of the oring the coating wouldn't interfere with anything.
Quote:
Originally Posted by doofenshmirtz
I've got a guy I do some work for that has a CNC shop that mills maintenance/replacement parts for manufacturing equipment. Their tolerances are +/-.003" against whatever specs are provided. They mill stainless and tooling steel regularly, so this would be well within their capabilities.
Shops like this aren't particularly uncommon across the US, but if I can be of help, just tag me. I could theoretically buy a piston and model it in Solidworks to get a quote. If the coatings were to add an appreciable thickness, you could custom mill pistons to account for that.
As it stands, I don't yet have any skin in the game, because I've got lifetime warranty on my calipers, but it's fun to help out when I can.
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I've got a couple shops here I'm more or less friends with, and have calipers and modeling software as well but thanks for the offer.
Some more notes:
4th gen calipers us 45.5mm pistons, which have no aftermarket support that I could find.
5th gen calipers use 48mm pistons which apparently are used by Porsche 911 calipers and come in anodized stainless versions.
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