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Old 09-02-2015, 02:58 PM
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Grind Calipers?

I just checked the clearance between by front callipers and inner wheel rim, and it is about .01'' !!! (I know this because I measured the thickest piece of cardboard that I could fit under there)

I'd like at least 1/16'' of clearance for comfort, and for that to happen I'll have to grind the callipers. The callipers are the OEM ones here:

Mustang Front Brake Calipers (87-93) 5.0

I need to grind the top part of the calliper (when viewed in the picture), directly above where the outer pad would go. Looking at the pictures, the callipers are very thick, and it looks pretty safe. Thoughts? Anyone else deal with this?

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Old 09-02-2015, 03:16 PM
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Race it, Don't rice it!
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I do it all the time. Just don't be dumb about it.
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Old 09-02-2015, 04:43 PM's Avatar
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Yes just use common sense.. If that is available these days..

I do a few custom disc front brake conversions and sometimes grinding is part of the deal..
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Old 09-02-2015, 06:02 PM
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A small amount of grinding will be fine. Just understand that the thickness is not for strength, it is for stiffness. That outer "corner" of the caliper casting is carrying all the bending load that reacts the outboard pad loads back into the mounting bolts. As the corner gets ground down thinner, the reduced material thickness also reduces bending stiffness, allowing the caliper to "spread" when the brakes are applied. In the extreme, this could require additional pedal travel. Again, the amount you are talking about (about 0.050" removal) likely won't be missed. Just don't take off any more metal than you need to.
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Old 09-02-2015, 07:01 PM
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i took off about 3/16's with no problems. go for it!!!!!
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