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Got a new C6 and replaced the NP 203 with a NP 205 Case this weekend. First let me say that transmissions are NO FUN to get out of the 78-79.:banghead

Anyhow, started it up & drove it around the block. The new trans shifts good....but there is a horrible whine coming from the rear diff. Looks like it is bad too. You can rotate the pinoin 45 degrees without contacting gear. So far that makes one X-fer case, one C6, one front driveshaft, one front u-joint, and one 9" rear diff. All killed by brutal torque.:whiteflag

Anyhow, anyone got a good posi third member with 3.50 gears?
 

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mind posting about your bronco? i might have missed the thread if i did lead me the way!?
 
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