rear end ????

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05-23-2009, 06:23 PM

1SICK86COUPE

1st Gear Member

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Join Date: Jul 2008

Location: SO CAL

Posts: 101

rear end ????

does anybody know what rear end i have on my 1980 mustang 4 cyl,is it a 7.5 or a 6.75?

05-23-2009, 08:23 PM

Portmaster

5th Gear Member

Join Date: Nov 2008

Location: SC

Posts: 2,401

I won't say they never built it but I've never personally seen a 79-93 Mustang with a 6.75 rear. 7.5s yes 6.75 no. The 6.75's came in Pintos, Bobcats and MustangII. If it has either swap it for a 8.8

05-23-2009, 08:36 PM

08 Bullitt 2310

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Join Date: Feb 2008

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Posts: 461

I'm going to say 7.5 now what do I win?

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