#1  
Old 04-26-2017, 04:58 PM
Held for Ransom's Avatar
Held for Ransom Held for Ransom is offline
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https://www.summitracing.com/parts/tci-880010

Stock '74 Firebird models with GR70-15 tires and auto/3.08:1 rear used the 37 tooth.

  #2  
Old 04-26-2017, 06:21 PM
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njsteve njsteve is offline
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If it already had the 37 tooth gear, then it looks like they never changed it when they put in the 3.73s. So you can get the replacement for the stripped factory gear from TCI via Summit. (I may have misspoken on the small versus large gear as I was thikning about the automatics versus manual trans which used the small gear (I think).


Last edited by njsteve; 04-26-2017 at 06:27 PM.
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