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Old 05-20-2017, 08:14 PM   #2261
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On mine...I have to "Tap" the T-Handle, but the idea is the same. I like being able to choose my gears when I want to.
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Old 05-20-2017, 08:21 PM   #2262
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On mine...I have to "Tap" the T-Handle, but the idea is the same. I like being able to choose my gears when I want to.
what gears and tire size are you running? I know its in the 250 pages of thread somewhere..

gear selection seems important.. esp since im over-gearing.. I was concerned about engine torque with such low gearing.. but they tell me just going to a lockup vs free-wheel its gonna feel like someone also put a new engine in my bus too...

-Christopher
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Old 05-20-2017, 09:08 PM   #2263
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My (new) tires are 33.6" and the Dana rear axle is now 4.30 (changed from 5.13. That should yield about 63mph in 6th at 1800 rpm which is my little 4BT's sweet spot.
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Old 05-20-2017, 09:21 PM   #2264
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so im 31's with 3.54 gears.. my 444E peaks at 2300 RPM.. so im guessing that 1800-1900 will be its weet cruise spot.. thatll ne my 5th gear.. ill have to see if I use 6th.. that will likely push it to like 1650 or so.. since the orice was near the same id definitely kick myself if i didnt get 6 gears and wanted them.. so I figure if i dont need 6th i can just turn it off... then those days when I have a tail wind and want to cruise at 70 i can turn it on... or i may find i use it all the time..
-Christopher
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Old 05-21-2017, 11:27 AM   #2265
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I'm thinking pretty much the same way. There are a LOT of long, flat miles in this country where that extra gear will help keep fuel in the tank. And when you hit some steep angles, the selectable close ratio gears will give you what you need to handle them as well.
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Old 05-21-2017, 08:50 PM   #2266
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Those 3.54s will give it some pretty long legs with a .61 OD, looks like both the 1000 6 speed and the 2200 MH have identical gear spreads.
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Old 05-21-2017, 08:54 PM   #2267
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Those 3.54s will give it some pretty long legs with a .61 OD, looks like both the 1000 6 speed and the 2200 MH have identical gear spreads.
yeah thats why I have them build it so i can turn 6th off when I get in areas that id just lug the engine. one thing for sure itll be better than a free-wheeling 545.. lolol
-Christopher
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Old 05-21-2017, 09:09 PM   #2268
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Tango, at 1800 RPM with the 0.61 6th gear, you're looking at 68.6 MPH

Christopher, at 1800 RPM and a 0.61 6th gear 76.88 MPH, 5th 66.05 MPH

This is using Tremec's calculator Gear Ratio Calculator

Allison 1000 and 2200MH ratios: 1 (3.10), 2 (1.81), 3 (1.41), 4 (1.00), 5 (0.71), 6 (0.61)
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Old 05-21-2017, 09:38 PM   #2269
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definitely some long legs.. my bus is gonna sound like the Semi trucks on the freeway.. almost idling lolol..

the 444E engine has a wierd throttle map. which might actually play into my favor as it tends to put out a lot of its power in the last 25% of pedal.. so depending on I have them map it I can avoid Lugging by it issuing a downshift at say 80-85% throttle.. maybe not do a double downshift till 100%.. im sure there will be some tuning involved to get it right..
-Christopher
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Old 05-21-2017, 09:53 PM   #2270
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You may end up making your own tune to make them match, maybe take advantage of the lower amount to heat that will be generated to add a little horsepower.
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