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Increase towing?

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Old Apr 6, 2019 | 02:11 PM
  #1  
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Increase towing?

My primary question: given this is an F100 with a 2.72 diff, any educated guesses on whether this could be converted to somewhere near a 3.25-3.50ish ratio easily?

I am told that with a good 300/C6/2.72 I am looking at a tow capacity of about 2000 pounds - by changing to the 3.25-3.50 ratio, roughly how much would I increase the tow capacity?

(No need suggesting reading the door, the original door was replaced with an F150 door before the last owner got it.)

Thanks!
 
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Old Apr 6, 2019 | 07:09 PM
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If I remember right, an auto 300 has a 5000ish rating. I pulled 7500 lbs with my ‘87 and a manual trans.
 
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Old Apr 8, 2019 | 06:19 AM
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With an automatic you can get by with a stupidly high rear end ratio and still tow fine. It will just suck off the line and you'll always be kicking down at speed. If you really want to tow I'd go 3.73 or 4.10 but regardless what you're comfortable with will be the bottleneck, not the truck.
 
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Old Apr 8, 2019 | 12:29 PM
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Thanks. I am thinking a camper in the 3000-4000 pound range fully loaded if possible. Slow off the line is not a major issue, but it is possible some hill country will be involved and I want to stay in a 'comfortable' range for all components of the drive line. I am figuring trailer brakes, better hitch and an added transmission cooler into the equation as well. Kinda want to avoid buying a newer truck if I can.
 
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Old Apr 8, 2019 | 01:07 PM
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With 4k you have a lot of wiggle room. I'd see how it tows with the 2.73s before you decide to re-gear it.
 
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