option G54 and GS4 9 bolt 85-86 ?

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Jul 27, 2001 | 11:03 AM
  #1  
I have a gm listing for 3:70 ring gear for the 9 bolt rearends.What cars did they come in?the codes for 1985 G54 option are 8xr,8xx
1986 GS4 option is 8xx.My guess would be the L69 5sp cars.

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83 berlinetta currently 350/350 3:42 gear,2500 stal,3inch exhaust,2 1/4
exhaust manifolds,comp cam 268,performer intake
L69 dual snorkle aircleaner 3160lb
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Jul 28, 2001 | 12:07 AM
  #2  
anyone have part numbers to these?
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