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

Rear axle interchangability...

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Old 05-19-03, 11:41 AM
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Rear axle interchangability...

I have a 82 "s"

what year LSD/disc rear axles will work (not- SE).

The driveshaft doesnt matter, just the suspension mounts.

will any 81-85 axle work, are there any differences???
Old 05-19-03, 11:45 AM
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My wife bought me 2 RX-7s

 
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They will all work, but the best would be an 81-83 axle, because you wouldn't need to swap drive shafts. Check out www.mazpeed.com/axel.html for details.
Old 05-19-03, 01:07 PM
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The driveshaft doesnt matter,

Im finishing a TII swap.

300+ hp, 205 tires and a open diff dont match.

Thanks for the link.
Old 05-19-03, 01:41 PM
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standard combustion

 
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Open diff in any RX-7 don't match.
Old 05-19-03, 03:16 PM
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As long as you keep the swap complete, what i mean is.
If you use an 83 rearend, use the axles that came with that housing. and you know that the SE's mounting points are 20 MM lower. 84-85 GS,GSL, 12a's axles will not fit an earlier rearend housing. you can use 84-85 12a rearend. those axles are more beefier. I learned all this from putting together a rearend at the junkyard, pieces from all different years. and searching for the best condition parts.
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