2g vs 1g center differential

[MIRAGEGSX]

Does anyone have actual photographic differences, between 1g and 2g center differential ? I’ve read the threads but they not as clear as I would like. Having issues sourcing a 2g differential and I recently grenaded my 2g trans I have gears just no center diff.

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[pauleyman]

The split is 90, 91 and 92 up. The big difference is the involute angle change in 92. So long as your new unit meshes with 3rd gear it will work.

 

[MIRAGEGSX]

Is there a way to physically identify the difference? Reason I say this is because I’m trying to buy one from a seller but it’s 1g and it seems like besides the gear angle there’s no way to tell or Measure. Any ideas?

 

[jdxnc]

90/91 don't have any notches in the teeth. All the others do.