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post #1 of (permalink) Old 08-28-2001, 04:51 PM
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Grind my brake calipers?

Hey all!

I found a really good deal on some 35X13.5X15 Mickey Thompson, Baja Claw Tires at a local tire shop. Their marked blemished, but I can't see any blemishes on them.

Anyway, since they're 15" tires, I need to get some 8 hole 15" rims for them (was planning on getting some rims anyway). Problem is, I've been told that I have to do some minor "Caliper Grinding" in order to fit them up front.

Has anyone run across this at all? How much exactly do I have to grind? And is this safe?


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post #2 of (permalink) Old 08-28-2001, 08:04 PM
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Re: Grind my brake calipers?

You dont need to grind much and its perfectly safe.

post #3 of (permalink) Old 08-28-2001, 09:45 PM
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Re: Grind my brake calipers?

What kind of truck is it?

1992 Blazer Sport, 350, 4L60, Rancho 2"[img]/wwwthreads_images/icons/tongue.gif[/img], 285/75R16 AT's, K&N, Flowmaster, MSD[img]/wwwthreads_images/icons/laugh.gif[/img]
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post #4 of (permalink) Old 08-29-2001, 09:55 AM
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Re: Grind my brake calipers?

It's a 1985 GMC 3/4Tonne 4x4!

So it's only some minor grinding? That's good to hear!

post #5 of (permalink) Old 08-31-2001, 10:17 AM
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Re: Grind my brake calipers?

Yep, you have to grind the top of the calipers and some of the backing plates. As far as whether it's "minor" or not, it kind of depends on your personal opinion though there are a lot of people out there who have done this.....including myself.
The amount of backspacing the wheels have also affects how much grinding is required. I'm using the standard whitespoke type wheel with 4.25" of backspacing and it didn't require that much grinding. Using wheels with less backspacing will require less grinding (such as 3.5").

The biggest possible problem is that your wheel selection in a 15", 8-lug is pretty limited and I have only seen them in steel (aluminum is typically too thick and will cause to much intereference).

post #6 of (permalink) Old 08-31-2001, 01:26 PM
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Re: Grind my brake calipers?

They were probably marked blems because they didn't have enough warehouse space for them. There is nothing wrong with them, it's just that the tire distributors can get some sort of tax or insurance break for selling tires as blems. It is their way of getting rid of overstock and not getting penalized for it. Michelin and Uniroyal get rid of a lot of tires this way.


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