Defective 13T Main Input Gear?

Leejax01

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I had to replace an input gear I took out for another car. The set (43/13) was working fine at the time. I ordered part #AR310468 which matched the straight cut diff. The replacement was super tight, binds and notchy. Tried it in a different case, tried another diff and still the same. Nothing was previously shimmed. Needs break in? Could it be an odd ball gear? It looks perfect by eye
 

Surchaufeur

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I had to replace an input gear I took out for another car. The set (43/13) was working fine at the time. I ordered part #AR310468 which matched the straight cut diff. The replacement was super tight, binds and notchy. Tried it in a different case, tried another diff and still the same. Nothing was previously shimmed. Needs break in? Could it be an odd ball gear? It looks perfect by eye
If ur speaking of the plastic gear of the 3s arrmas yes they are bigger new and have to break in
 

Leejax01

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Sorry, it’s a 6S. It’s the main input gear that contacts the diff from the center driveshaft
 

Camaroboy383

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I had to replace an input gear I took out for another car. The set (43/13) was working fine at the time. I ordered part #AR310468 which matched the straight cut diff. The replacement was super tight, binds and notchy. Tried it in a different case, tried another diff and still the same. Nothing was previously shimmed. Needs break in? Could it be an odd ball gear? It looks perfect by eye

This is for a Typhon?
 
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