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Old 05-28-2011, 09:19 AM
bear lake rodder bear lake rodder is offline
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ring gear id help

We just went to replace the ring and pinion in my 67 gto and found out it is a 12-bolt housing and it has a 10-bolt ring and carrier. Surprise! So the new gears I have will be reeturned to Summit, but we are trying to find out what to order. The numbers on the ring gear that came out of it are:
13A40 GM HY 236.
Can someone run these and tell me what it is? I have searched the forums and didn't get any answers so please help. I know someone can help.
Thank you!
Bear Lake Rodder
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