Open diff to LSD possible?
#1
Junior Member
Thread Starter
Open diff to LSD possible?
I have an S4 NA open diff and have found S4 GXL clutch LSD internals available at a good price. Based on https://www.rx7club.com/2nd-generation-specific-1986-1992-17/fc-lsd-thread-894774/ the feedback seems as if they would be a straight swap. Is this correct or am I missing something?
Does the swap have to be into another NA LSD housing?
Does the swap have to be into another NA LSD housing?
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scathcart (04-18-19)
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Jalm (04-16-19)
#4
Rotary Enthusiast
No issues with swapping S5 and S4 rear ends. However, your AT driveshaft will not mate to a MT rear end companion flange. You'll also need to swap companion flanges,but doing so will likely alter the pinion shaft preload. To do this correctly, you'll need to install a new pinion shaft collapsible collar and re-torque the companion flange nut until the proper pinion preload is obtained. Alternatively, you could have a driveshaft shop fab up a custom AT driveshaft that will mate with a MT companion flange.
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