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Old 11-18-2010, 06:01 AM   #1
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Default Spare Tire - Big Brake - Fit?

Son and I installed the M-Tuned big brake kit last spring on my 96 M (comes with 15" wheels).

We didn't even think to test-fit the space-saver spare to see if it would clear the larger rotors.

Just tried.

Nope. Not even close.

Anyone know if any later-model Miata spare will clear the M-Tuned big brake kit (Corrado rotors up front, MSM in back)?

If not, it's fix-a-flat, tire plug kit, and baby compressor in lieu of a spare tire....

Boy, I feel dumb for not checking!

Bruce MacKay
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Old 11-18-2010, 06:20 AM   #2
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who needs a spare.......
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Old 11-18-2010, 06:22 AM   #3
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every single time i buy another car - spare tire is the first thing that gets thrown away.
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Old 11-18-2010, 06:50 AM   #4
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Same for me, I have the M-Tuned BRK front and rear and now the spare tire is getting dust in my garage. I have replaced it with a small compressor and a fixing aerosol.
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Old 11-18-2010, 08:44 AM   #5
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On 01-02 sport brake cars, they came with a 15" spare to clear the OE sport brakes. The brakes and larger spare were standard on all 03-05 Miatas. These larger spares should clear your BBK.

But the real solution would be, if you had a flat on the front, to jack up the whole side, pull both tires off, put the rear on the front and put the spare on the rear.
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Old 11-18-2010, 09:13 AM   #6
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The best solution is to have the spare on the front, so you have equal diameters on both sides of your LSD.

I traded my stock spare for one from an MSM.
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Old 11-18-2010, 09:45 AM   #7
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Quote:
Originally Posted by Ben View Post
The best solution is to have the spare on the front, so you have equal diameters on both sides of your LSD.

I traded my stock spare for one from an MSM.
Looks like I'm breaking into my sister's house and stealing her MSM spare. Everyone should call 949 and have a 1-hour conversation about which spare tires fit over their BBK, Emilio enjoys these types of phone calls.
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Old 11-18-2010, 09:48 AM   #8
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I am aware that the difference in diameter can effect a torsen LSD, but it shouldn't if you get the problem fixed right away. Mazda knows this or else they wouldn't put a spare in the trunk and would have a can of puncture seal and a air compressor. If you're lazy and keep rolling on a spare, you deserve the consequences When I go out for a smoke, I'll consult the owner's manual to see if it suggests always having the spare on the front. My personal solution is having a backup set of wheels in the garage and if something were to happen, I'd find a way home to grab two of them. On road trips I've carried the spare for a "must have" (total wheel failure) emergency along with puncture sealant, plug kit and a compressor for an minor problems.
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Old 11-18-2010, 10:29 AM   #9
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Quote:
Originally Posted by Doppelgänger View Post
Mazda knows this or else they wouldn't put a spare in the trunk and would have a can of puncture seal and a air compressor.
Shall we start a list of "stupid things Mazda did" on our cars that affect hairdressers and beauty queens?
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Old 11-18-2010, 10:55 AM   #10
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Quote:
Originally Posted by Doppelgänger View Post
When I go out for a smoke, I'll consult the owner's manual to see if it suggests always having the spare on the front.
I can confirm that it's in the european manuals, you always have to put the spare tire in the front and switch a front wheel at the rear in case of a rear flat tire.
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Old 11-18-2010, 12:15 PM   #11
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Quote:
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Shall we start a list of "stupid things Mazda did" on our cars that affect hairdressers and beauty queens?
**** it...let's do it. You go first.
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Old 11-18-2010, 12:21 PM   #12
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I have a spare tire from an 01 SE....
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Old 11-18-2010, 01:08 PM   #13
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Fix-A-Flat + AAA + plug kit = I've never actually had a flat on the miata.

Oddly though, I have run 10 psi in the old RT215 Azenis and it just felt a little squirrely. those sidewalls are STIFF.
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Old 11-18-2010, 02:26 PM   #14
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Factory wheel will not fit over rear MSM BBK now.

So, MSM factory spare will fit over rear MSM rotor with M-Tuned BBK?

Call me nervous, but my last flat was a ruptured sidewall...hard for fix-a-flat to help with that. Since then I try to keep a spare handy....
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Old 11-18-2010, 02:38 PM   #15
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310,000 miles on my miata and never had a tire issue that I needed a spare to deal with the situation. I have AAA, a cel phone, and a can of fix-A-flat. never used a spare tire in 30 years of driving cars. The only tires that ever got flats that destroyed the tires were Run-flats on the mini.

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Old 11-18-2010, 02:41 PM   #16
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Wow...never thought of this when I was shopping for BB kits. I'm sure my tiny '92 spare wouldn't fit them.
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Old 11-18-2010, 04:44 PM   #17
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I bought five 6uls when I got new wheels.
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Old 11-18-2010, 04:58 PM   #18
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I got a spare too (15x8 gen 1).
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Old 11-18-2010, 05:01 PM   #19
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2010 has only the compressor and liquid. Picked up a large chunk of metal and had to call AAA for the first time since subscribing in 1987.
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Old 11-18-2010, 05:52 PM   #20
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Quote:
Originally Posted by y8s View Post
I bought five 6uls when I got new wheels.
Quote:
Originally Posted by Ben View Post
I got a spare too (15x8 gen 1).
Interesting. When I ordered mine I was told I couldn't buy an uneven amount (Gen2.) But I think that was when I was looking at one of the other sources, besides 949. Wish I had picked up a spare...not to carry in back (would it even fit) but as a pothole bashing replacement.
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