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What are brake calipers made out of?

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Old 11-16-2004, 02:20 PM
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Default What are brake calipers made out of?

Are they typically aluminum? I need to do some grinding. Looks like this;



I need to grind the one on the right, the Baer caliper. It's about 1/16" too big for my 18" wheels so I need to knock a hair off of those ridges. Going to rent a hand grinder and need to buy the right disk.
Old 11-16-2004, 03:48 PM
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cast aluminum ... very soft ...
Old 11-16-2004, 05:15 PM
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I'm not a fan of grinding on calipers. It can weaken them. If you insist on doing so, take off as little as possible.
Old 11-16-2004, 09:27 PM
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Arent stockers typically cast iron? (all cars, not just f-body)
I didn't realize those Baer calipers were aluminum. Their appearance in the pic would lead me to believe that they were cast iron (like a stocker). Typically, the aluminum calipers that I have seen are flat sided and boxy, not rounded with ridges.
Old 11-16-2004, 09:33 PM
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Most calipers over the years have been iron. However, in recent years, many companies have started using aluminum calipers (many made by PBR who makes ours). And, almost all of your aftermarket calipers are aluminum as well (there will always be "one" so, I'll not say "all of them").
Old 11-17-2004, 09:24 AM
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So... are the stock f-body calipers iron or aluminum?.... I guess I could just as easily find out with a magnet.
Old 11-17-2004, 09:50 AM
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Originally Posted by VIP1
So... are the stock f-body calipers iron or aluminum?.... I guess I could just as easily find out with a magnet.
they're aluminum
Old 11-17-2004, 12:00 PM
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Originally Posted by VIP1
So... are the stock f-body calipers iron or aluminum?.... I guess I could just as easily find out with a magnet.

LS1's are aluminum, LT1's use the cast iron "Moraine" caliper as I remember.



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