Miata Diff

A

apr67

New member
Since the SCCA is going down the path to screwing SM, I'm looking at doing ITA with my miata.

I have a problem though. The stock 1.6 R&P seems to die on me about every 10 to 15 hours. I would imagine that a .40 over header equipped miata would make more power than even a cheated up sunbelt SM, so the problem would be worse.

Any of you guys runing ITA with your miatas have any insite? My diff was built by Miata Pro's both times, so I have to assume they know what they are doing,.
 
What is breaking?

I have run both the stock 4.30 and the MazdaComp 4.875 gear for hundreds of hours with no problems.

If it is the R&P breaking, get it cryo treated. If it is the differential breaking, come on to ITA where you don't have to use the MazdaComp LSD and give the OPM diff a try.
 
Originally posted by RacerBowie:
What is breaking?

...give the OPM diff a try.
Click to expand...


That's what I would recommend (and hopefully actually do in the near future) also.


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Ony Anglade
ITA Miata
Sugar Hill, GA
 
The bolts seem to back out of the ring gears.

I'm told that can happen from hitting curbs or excessive tire spin.

I just don't buy it.
 
Hmmmm...Loctite red and new OEM fasteners for any ring gear/ diff change just may cure your problem
 
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