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Old 06-18-2016, 06:35 PM   #13
41panelmark
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Join Date: May 2010
Location: Colorado
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Default Re: 1st haul under new power

Quote:
Originally Posted by Ross F-1 View Post
Not sure on a truck as old as yours, but on the 48-56 trucks with 2-sp axles, you get "slow" and "slower". "High" axle gear was a lower ratio than the single speed axle. In other words, it won't give you less RPM at cruising speeds.
Actually I have been doing some research and I have found that some of the Eatons offered a direct that was higher and an under that was lower. Some of the original lit I have shows that I think. Still working on figuring that out.
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