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

Axle swap from drum to disc

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Old 01-20-21, 12:14 PM
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Axle swap from drum to disc

Ok so sadly I have an automatic 1985 non lsd rx7 with drum brakes in the back and I was wondering if instead of replacing the entire rear end if I could instead just swap the axle shafts and put new rotors and brakes on it
Old 01-20-21, 12:29 PM
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i could be wrong since i've never done a drum to disk swap but i'm guessing the drum rear doesn't have the caliper mounting point unless that bracket just bolts to one of the 4 holes that retain the axle shafts.
Old 01-20-21, 12:34 PM
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Originally Posted by rxtasy3
i could be wrong since i've never done a drum to disk swap but i'm guessing the drum rear doesn't have the caliper mounting point unless that bracket just bolts to one of the 4 holes that retain the axle shafts.
if that’s the case then I can make a bracket for it but I’m just curious as to if the axle shaft will fit into the dif because I can’t seem to find a complete rear end for a gslse anywhere
Old 01-20-21, 11:47 PM
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as long as the axle shafts used is 84-85, these have the large axle. the earlier ones had a smaller diameter shaft.
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