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Seth Swoboda · 10-08-2020, 08:41 AM

I have a '67 Mustang with a terrible 2.79 rear end gear ratio. I'm thinking about changing it up and was curious as to what ratio you guys thought would be good for the street and have the ability to break a wheel loose. If I change things up I'd go with a 9 inch, posi-traction as well. What about 3.25's? Are 3.50's too much? I'm not terribly concerned with gas mileage, it's already poor with the 2.79's.

Seth

10-08-2020, 08:41 AM	#1
Seth Swoboda Senior Member Join Date: May 2010 Location: Southern Illinois Posts: 3,791	1967 Mustang rear end gear ratio I have a '67 Mustang with a terrible 2.79 rear end gear ratio. I'm thinking about changing it up and was curious as to what ratio you guys thought would be good for the street and have the ability to break a wheel loose. If I change things up I'd go with a 9 inch, posi-traction as well. What about 3.25's? Are 3.50's too much? I'm not terribly concerned with gas mileage, it's already poor with the 2.79's. Seth