Rotary Side Housing Repair - Side Plate that had been left with rough grinding marks and damage

Lapping a plate with damage back to flat
Video 1.
• Don't surface grind or...
Parts and Service:
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[@LordCakeskull]

Interested to see more info on your lapping table.
I've got a bunch of housings that's should be restorable but want to get the right process before I try.

[@rotaryperfection]

So is nitriding not needed after this? Never got a definitive answer on this.

[@RX2Fan]

From the research I’ve done nitriding isn’t the only hardening process Mazda did on side plates. Like Kyle said in an older video it was mostly for keeping the plates from rusting.

[@mohammadalabdulrazzaq]

Can u run the plates without the nitriding? And how that will effect the life of the engine?

[@MassiveDrop]

what about re-nitriding? is that not neccesary?