Options to Replace the 2.73 on 1997 Z28

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03-23-2006, 05:36 PM

#16

1SlowFormula

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Join Date: Nov 2003

Location: West Linn, OR

Posts: 1,752

Re: Options to Replace the 2.73 on 1997 Z28

Quote:

Originally Posted by crb806

how do i know if i have a series 3 or 2 carrier, and would the 373s be rougher ont he rear end and tranny?

Well youneed to provide more info about your vehicle to know anything... And 3.73's are not harder on the rear or tranny unless not set up right...

03-23-2006, 10:13 PM

#17

crb806

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Join Date: Nov 2005

Posts: 39

Re: Options to Replace the 2.73 on 1997 Z28

1995 with 323s i believe it is a series 3 carrier am i correct

03-24-2006, 12:30 AM

#18

mike 96 ws6

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Join Date: May 2003

Location: Ocala FL

Posts: 268

Re: Options to Replace the 2.73 on 1997 Z28

Quote:

Originally Posted by crb806

1995 with 323s i believe it is a series 3 carrier am i correct

Yes, as far as factory GM RPO production components. Only aftermarket gear suppliers provide a gear set that will provide a ring and pinion gear that will allow mounting a 3.23 ratio on a series 2 carrier.
And no, GM never used spacers to adapt 2 series carrier - 3 series R&P components.

03-24-2006, 09:40 AM

#19

Demon's Camaro

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Join Date: Dec 2005

Location: Syracuse NY

Posts: 234

Re: Options to Replace the 2.73 on 1997 Z28

Easiest way to determine if you have a 2 series or 3 series is; can you select the 1 on your shift console? If not then you have 2.73s and a 2 series carrier.