6.0, Auto trans & 4:30 gearing - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 02-04-2009, 06:27 PM Thread Starter
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Question 6.0, Auto trans & 4:30 gearing

I'm looking at this combo along with 19.5 inch tires (tires equal to 32 inch circumference).

My question to everyone is; Truck is running at approx. 2000 RPM when doing 65-70 MPH.

I've been driving a 7.3 for many years but am looking at buying this 6.0 for towing my race car. I need input from 6.0 owners to see what kind of mileage I'm gonna get with this.

Thanks
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post #2 of 3 Old 02-04-2009, 08:09 PM
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I am running 33'' tires with the 4.30 gear, and really enjoy the grunt you get with the tire gear combo. As for fuel mileage running 65 I average 18, running 70 It drops to 16. I lost some mpg empty but gained some back towing my 5th wheel.
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post #3 of 3 Old 02-05-2009, 06:08 AM
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I ran an 06 dually with a 6.0 and 4.30 gears and used 34.5 tall tires and was really happy with the combination.

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