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I know we've covered this issue, just need a few tips, caliper grinding

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84_Chevy_K10

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I know we\'ve covered this issue, just need a few tips, caliper grinding

I did a search and didn't find anything useful.

I swear, I've massacred my backing plates and groudn quite a bit on my calipers and my wheels still don't fit. They're 4.125" back spacing which is quite a bit, but still, they should fit with some grinding.

Can anyone give me any tips as to how to tell where the wheel is rubbing the caliper/backing plate? I am trying to use black spray paint and put the wheel on when it's still wet and grind the areas that the paint is rubbed off on, but I'm having quite a bit of difficulty.

Any tips (or pictures of the completed project) would be greatly appreciated.
 
Re: I know we\'ve covered this issue, just need a few tips, caliper grinding

I ground a good 1/4 inch into it and around 2" or so back to get mine to fit.
 
Re: I know we\'ve covered this issue, just need a few tips, caliper grinding

I did as you are. I have from 4-4.5 inces of back spacing. Dana 60 and 15 inch rims. I just finished mine about 2 weeks ago. LOTS of grinding. But just used the paint, bolted them up snug, not tight and spun the wheel, repeat about two dozen times... good to go. I didnt grind on the backing plate at all, just the calipers.

Ken H.
 
Re: I know we\'ve covered this issue, just need a few tips, caliper grinding

That link doesn't work.

This is a 10 bolt front. I can't even quite get the wheel to bolt down flat on the hub, and I've ground the s*** out of the whole damn setup for the first 2-3" of the brakes.

If anybody has pics, it'd be VERY helpful (this isn't even the first time I've ever done this project, just for some reason it seems like this is more of a PITA than usual. I'm thinking that my wheels have quite a bit more backspacing than my friend's trucks have had).
 
Re: I know we\'ve covered this issue, just need a few tips, caliper grinding

/forums/images/icons/ooo.gif /forums/images/icons/confused.gif /forums/images/icons/ooo.gif why the f are you grinding a 10 bolt??!?!?!?!?!?

J
 
Re: I know we\'ve covered this issue, just need a few tips, caliper grinding

Because I want my wheels to fit so I can put my tires on. It's an 8 lug 10 bolt. 15" wheels don't fit without grinding.
 
Re: I know we\'ve covered this issue, just need a few tips, caliper grinding

Hmmm, works for me this morning, try again. Maybe the host was down...

That article covers fitting 15" w/ 4" back space on a D60, but the 3/4 C10 should be similar. The technique I used will allow you to easily find contact points and keep grinding to a minimum. That's all I can provide.
 
Re: I know we\'ve covered this issue, just need a few tips, caliper grinding

Thanks. The link decided to work for me now. I guess I need to keep grinding the caliper from the looks of it. I've already ground the backing plate until it was pretty thin.

If anyone has pics of a 3/4 ton front all ground up, it'd be appreciated. I'm just worried I'm going to take off too much material.
 
Re: I know we\'ve covered this issue, just need a few tips, caliper grinding

oh ok... 8 lug...

J
 
Re: I know we\'ve covered this issue, just need a few tips, caliper grinding

HOLY S***!

I'll never do THAT again. 4 1/8" is too much backspacing! I'd have gone with 3 1/2" or so if I had it to do over.

I MASSACRED my backing plates! Took me a good 5-6 hours.
 
Re: I know we\'ve covered this issue, just need a few tips, caliper grinding

Im haveing a hard time envisioning why you would need to grind the backing plates.
Can you take a picture? I'd really like to see that..

Im leaning towards 16 in wheels myself... If only there were more tire choices..
 
Re: I know we\'ve covered this issue, just need a few tips, caliper grinding

I am also curious abou the backing plate issues.

Ken H.
 
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