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78olds · 01-24-2007, 06:44 PM

can anyone tell me what kind of rear came in a 1974 cutlas supreme was it posi traction ? and the gear ratio ? thank you in advance oh and will that rear bolt up to a 78 cutlas supreme thanks

Redog · 01-24-2007, 07:39 PM

Look at your RPO codes, should be a sticker in the trunk lid

G80 is the posi code, and the rear end gear codes will start with GU. I had GU2 in the Delta which is 2.73. I went to 3.42 which I think is GU4 or GU6

78olds · 01-28-2007, 08:24 AM

thanks

01-24-2007, 06:44 PM	#1 (permalink)
78olds Junior Member Join Date: Jan 2007 Location: Dover,De Posts: 17	? can anyone tell me what kind of rear came in a 1974 cutlas supreme was it posi traction ? and the gear ratio ? thank you in advance oh and will that rear bolt up to a 78 cutlas supreme thanks

01-24-2007, 07:39 PM	#2 (permalink)
Redog Alero Chapter Secretary Join Date: Aug 2006 Location: Newtown, PA Posts: 632	Look at your RPO codes, should be a sticker in the trunk lid G80 is the posi code, and the rear end gear codes will start with GU. I had GU2 in the Delta which is 2.73. I went to 3.42 which I think is GU4 or GU6 __________________ Me 2000 Alero running 14's 1985 Delta 88 w/1968 350 rocket 2005 Nissan Altima (her's)

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01-28-2007, 08:24 AM	#3 (permalink)
78olds Junior Member Join Date: Jan 2007 Location: Dover,De Posts: 17	thanks