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Post Info TOPIC: rear disc brake issues



- Neil -
Everett, WA


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Posts: 82
Date:
rear disc brake issues
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I've been trying to figure out my rear disc brakes for well over 2 weeks now.  I bought a full kit from Matt's classic bowties.  They are made by right stuff.  No matter what I try, I cant get the calipers centered over the rotor, even with all the shims out.  Right stuff tech line is a complete joke.   They are running 3-4 days to return a call.  They are saying my axle offset should be 2.5".  Mine was closer to 2.8"-2.85" or so.  They are saying that is why they don't fit, so not their problem.  They said it was my Moser street axles.  So I took those out and went back to all stock 12bolt.  Still roughly the same offset.   Now right stuff is saying I have an aftermarket carrier.  They want me to have my axles shortened, or get a new carrier. I need another 1/4" to get it over the rotor.   So now I have been trying to get Matt's to help me.  They have been great about calling back, but no real answers.  The wildwood kit they sell is based on a 2.81" offset, so it doesn't make sense that right stuff is claiming all GM axles are 2.5".  Now Matt's wants me to get 1/4" machined of the brake pads to get it to fit. They said they would send me some extra brake pads.  So much for a bolt on brake kit.  I'm not sure 15" wheels would even fit if you push the calipers out another 1/4".  I sent them pictures of the brake install and they said everything looks good.  I've checked all my part #'s, and I have all the correct parts.  Any ideas, I am at a loss.



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- Durand -

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Posts: 273
Date:
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Something's funky. Grind a 1/4" off the pads to make them fit? Get a refund and buy Wilwood.

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'65 Pontiac Lemans 468 t400 4.10 12 bolt

Best ET  11.43 @ 117.7




- Mike -
Puyallup, WA


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Posts: 2662
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This is why Dave and I both had to have the brackets machined thinner where they mount.

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'67 Chevelle -- 383ci, Jerico DR4 4 speed -- 3.19 1st gearset, Gear Vendors Overdrive/Underdrive, Strange S60 w/3.54 gears

'70 Camaro -- In the works TT 6.0L, 4L80E, ??? rear end 




- Neil -
Everett, WA


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Posts: 82
Date:
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Right stuff told me not to take any material off the bracket. He said it was that thick for a reason. After talking to them multiple times im not sure I want their brakes on my car. WORST customer service I have ever dealt with. Matt's is gonna send me some other options. I may just take the whole setup off and send it back. I should have read some online reviews before I bought this. Sounds like this is a common problem. And their customer service being crappy is even more common.

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