1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

10.2mm ring gear bolts?

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Old 04-15-15, 09:33 PM
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10.2mm ring gear bolts?

I'm about to start another differential build and was looking through the Mazda parts catalog; it lists 2 types of bolts for the ring gear to differential:

8051-27-235 (D=10.0)
8051-27-235 (D=10.2)

I know the bolts are M10, but does anyone know about 10.2s? Those two numbers also show up in the '79 parts catalog, so I don't think it's for the LSD case.

I'm a lot more particular about putting a diff together because it's a little harder to pull over if something gets loose. The last diff I built I used the same bolts that came out of the ring gear, this time I'm using a different gear that didn't come with bolts.
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