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Thread: Grinding front brakes
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Jeff20B
Moderator
Posts: 661
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posted March 03, 2004 10:40 PM |
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Grinding front brakes
My passenger disk started grinding bad today. It looks like it was caused by metal to metal contact at the outside edge about 1/2" wide. Is it time for new pads? Or did one of the pad holders pop out? That has happened to me before, but on the backside inner edge. I can't remember if there are two pad retainers per pad or just one each.
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'74 REPU
'76 Cosmo
'77 MG Midget 13B
'81 RX-7
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rotarydave
Hauling
Posts: 108
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posted March 04, 2004 10:43 PM |
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i think i know what you are talking about the little cotter pin/spring thingamabobies. if i remember right there are 2 one each side of the shim, so that would make 4 per side of truck. FYI if you did not already know early 79 rx7s have the same caliper, and Jeff i know where there are 4 of those Rx7s in our area in salvage yards
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Jeff20B
Moderator
Posts: 661
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posted March 05, 2004 11:29 AM |
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Thanks for the info. Hopefully I won't need to swap calipers. I have two sets of brake pads to choose from. Raybestos and Napa brand. I'll choose the set that has a cut from top to bottom. I think they work better.
I hate to fire up the engine just to shut if off. Maybe I'll just let it sit and idle before I move it into the driveway? Driving wihout brakes should be fun.
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'74 REPU
'76 Cosmo
'77 MG Midget 13B
'81 RX-7
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Jeff20B
Moderator
Posts: 661
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posted March 05, 2004 05:47 PM |
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Driving without brakes WAS fun. :) The pad swap went flawlessly, and the brakes feel great.
I guess I don't believe in turning rotors. It tends to make them thin quickly. What so you guys think?
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'74 REPU
'76 Cosmo
'77 MG Midget 13B
'81 RX-7
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rotarydave
Hauling
Posts: 108
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posted March 05, 2004 07:20 PM |
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well if i remember they are not all that thick to begin with and also really hard to find good ones, so i would have to agree with you. I am going to change mine this weekend as well, had to take off the wheels to look at the suspension stuff might as well do something useful
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Jeff20B
Moderator
Posts: 661
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posted March 05, 2004 11:35 PM |
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Good idea. The passenger side was already metal to metal. The driver's side was within 1mm of grinding too.
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'74 REPU
'76 Cosmo
'77 MG Midget 13B
'81 RX-7
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rotarydave
Hauling
Posts: 108
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posted March 06, 2004 12:31 AM |
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i think kathy atkins still knows where to get NOS (well from the original manuf) rotors. i think the company was MOUNTAIN?
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Jeff20B
Moderator
Posts: 661
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posted March 06, 2004 04:25 PM |
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I have an old rusty set of rotors that I know I'll need to throw onto a truck one of these days. I hope I can stretch out the life of my current ones as long as possible.
So, are pads the same from '74 (REPU) to '80 (RX-7)?
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'74 REPU
'76 Cosmo
'77 MG Midget 13B
'81 RX-7
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Klaus43
Rotorhead
Posts: 1259
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posted March 08, 2004 08:25 AM |
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I believe...
...so. (But I haven't double-checked...yet...) ;)
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Jeff20B
Moderator
Posts: 661
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posted March 08, 2004 11:18 AM |
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If I ever get an RX-7 that needs brakes, I'll compare them.
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'74 REPU
'76 Cosmo
'77 MG Midget 13B
'81 RX-7
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