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#1
10-31-2006, 01:39 AM
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2.73 rear end
How do I know if my 2.73 open is an 8.5 or 7.5 rear end?
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#2
10-31-2006, 09:55 AM
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Re: 2.73 rear end
Short of dropping the end cover off the diff and measuring it, you could always drop the gas tank and pull the SPID paper off of the top - assuming of course that it's still there. If it is, look for a "G87" code on it, if you see this then you have the 8.5". If you see "G89" instead, you have the 7.5".
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1988 9C1 - Modified LM1 @ 275HP/350TQ - TH700R4 - 3.08 8.5" Disc Rear - see it at http://www.silicon212.org/9c1! 2005 Crown Vic P71 - former AZ DPS - 4.6 liters of pure creamy slothness! 1967 El Camino L79/M20 old school asphalt raper Remember - a government that is strong enough to give you everything you need, is also strong enough to take everything you have.
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#3
11-03-2006, 12:42 AM
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Re: 2.73 rear end
go here, for all your rear diff stuff...according to the site i think all 72-79 came stock with a 8.5...assuming your name means you have a 74 nova...they all came stock with a 8.5(with the acception of some 7.5s)...my 73 has a 8.5 if correct....
http://www.novaresource.org/axle.htm
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#4
11-04-2006, 03:14 PM
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Re: 2.73 rear end
Anybody know if the '74 2.73 is 28 spline or 30 spline? Lookin to put in a 3.73. Thanks
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#5
11-06-2006, 03:04 PM
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Re: 2.73 rear end
well i guess you can....they are both a 12bolt
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