V6 Tech 1967-2002 V6 Engine Related

What kind of gears to get?

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Old Feb 14, 2003 | 06:57 PM
  #1  
oil pan 4's Avatar
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Joined: Feb 2001
Posts: 878
From: Clovis, NM
Exclamation What kind of gears to get?

I know what raitos I want to get,
3.73's for the (now engine less) 85' 2.8
2.23's for the 85' Iroc Z28
I need to know what carrier and # of splines I have in there now and what ratios of gears I can get.
The 2.8 has the orignal 85 rear end with 3.42's in it and I want to replace those with 3.73's.
The Iroc has orignal rear with 3.08 and I want to put 3.23's and an eaton posi in there.
So, what gears I need?
I want to order all the stuff out of the summit racing book.
The cars are back in the states now and I'm having them worked on for me and I don't want to send the wrong parts.
Old Feb 16, 2003 | 03:21 PM
  #2  
djcam's Avatar
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Joined: Sep 2002
Posts: 64
From: ohio
here ya go man..
from summit catalog....
your iroc = part number RMG-4900031*
the 2.8 gets = RMG-49000061

hope that helps.
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