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Old 03-29-2010, 11:11 PM   #1
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Default 4.10 6" ring an pinion?

Does anyone know if mazda ever offered a 4.10 ratio r&p for the 6" 90-93 diff? FM says manual 90-93's came with a 4.3, but doesn't say anything for the auto. Was there an rx7 that came with those ratios and could fit in the small housing? This is for my mini stock oval track car. The engine is stock, so I'm not worried about breaking the small diff and I would rather not have to source out driveshaft and axles and switch to the heavier 7" diff since I can't run an LSD anyway.
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Old 03-30-2010, 12:02 AM   #2
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The autos also had a 4.3 R&P.

"The 1990-93 rear had 4.30:1 gears and there are no factory alternate ratio's available (an aftermarket 4.875 ratio is available)."
Source: Solomiata : Drivetrain : Interchange
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Old 03-30-2010, 12:05 AM   #3
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Bigger wheel/tire diameter?
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Old 03-30-2010, 09:20 AM   #4
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Originally Posted by Sparetire View Post
Bigger wheel/tire diameter?
I'm limited to 60 series and up sidewalls and 200 and up treadwear, so the 195/60/14 Azenis, starspecs, etc would work well. I'm not sure if there are any slightly taller tire options that wouldn't end up with me running on some all seasons or equivelant.

Any suggestions?
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