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Old But Sexy
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Discussion Starter · #1 ·
I just called advance auto for brake calipers and she asked me if they regular or phernaic? (spelling) what are they?
 

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She was referring to the pistons in the caliper phonic are a plastic like material (blackish) regular are steel
 

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Old But Sexy
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Discussion Starter · #3 ·
so i want the steel?
 

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OEM Moderator
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The phenolic where stock on my truck. I think the theory is they transfer less heat to the brake fluid.
 

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I just went through this last winter, I never got a good answer but I think the phenolic pistons are oe. I think I would be matching both sides first then decide if ford had a good Idea or if the aftermarket knows better.
 

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hit n miss
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Phenolic can crack/crumble and I've heard they a a bit more prone to sticking. My original calipers had steel pistons and the new ones also came with steel. I'd rather have steel pushing on the pads than plastic.
 

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The phenolic where stock on my truck. I think the theory is they transfer less heat to the brake fluid.
This is what I've read also, I don't think it's a big problem using them since that's what ford uses.

Travis

PS
I've been having my share of brake issues all parts from Napa and I think if I had to do it over again I pay the extra and go with Ford stuff.... I'm just thinking my chances of getting sub-par stuff would have been way less....
 
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