I have a question or 2 about gearing. I've got a 5 liter lx with the AOD transmission. The car has 2.73's. I want to change these to 3.73's. I read that this would put red line in 3rd gear at around 100mph. It seems to me that it would be almost ideal for a stock or mildly modified car. 1/4 mile trap speed and red line at about the same time, right? Also does anyone know what sort of rpm's the car would turn at 80 mph , in OD? Seems like the perfect rear end for an AOD car. Kelly the noob.
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