10 or 13 Speed? - Ford Powerstroke Diesel Forum
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Old 03-03-2014, 02:03 PM
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10 or 13 Speed?

I know the 7.3 came in several medium trucks and was wondering if anyone here had seen or put a 10 or 13 speed in their dually? On board air and a divorced transfer case would be a necessity but it would really wake these trucks up. I have 4.11 gears so it would be awesome to always be at the ideal rpm range and have a huge drop in rpm in high gear, especially unloaded.
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Old 03-06-2014, 07:16 PM
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There is a guy planning it in the idi section, but seems like a lot of shifting for in town use, but would increase life and passing power
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Old 03-07-2014, 12:14 AM
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Most of the time unless your riding heavy you'd take off in at least 4th so it's not as bad as it sounds. From what I've found, there's a straight 10 speed available in certain IH 7.3 busses that is synchronized so no air required and no double clutching (which most of us drivers don't do anyway). As long as our block accepts the SAE bellhousing, should be close to a bolt in, with minor tranny hump and mount mods. Just have to come up with a divorced transfer case. I'm still looking into it but it's one of those long term down the road projects for now. I like to plan way ahead so if I accidentally run into the parts I need I have a plan in place. I swear I'd put an 18 speed into everything I owned if I could figure it out, although that would make our Honda pilot do 300 mph lol. The 6 speed on my victory bike is so much smoother than some of my older bikes, I can only imagine what it would be like to go from a 4 speed auto to a proper truck tranny in this dually.
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Old 03-07-2014, 03:27 AM
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did you look into maybe doing a gear venders unit?
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Old 03-07-2014, 05:49 AM
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Quote:
Originally Posted by campbellflage View Post
did you look into maybe doing a gear venders unit?
I've looked, but I cant justify the 4-6k... unless I was doing hot shot type work, but then I'd get a FL60 or similar.
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Old 03-08-2014, 08:05 PM
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Just run a divorced np-205
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