Towing with 6 speed Manual - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 8 (permalink) Old 04-04-2008, 08:14 PM Thread Starter
 
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Towing with 6 speed Manual

Hey guys, I'm glad there's a place where I can finally get some info on my truck. My question is about towin with the 6 speed manual. I was wondering if when I pull a trailer am I suppose to use the 6th gear or not. The only other diesels I've owned have all been automatics, and I've heard so many different ideas from people about how I should or I shouldn't use 6th when towin. Please help with any and all knowledge on the subject. Thanks
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post #2 of 8 (permalink) Old 04-05-2008, 04:39 AM
 
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Quote:
Originally Posted by Fat Kid
Hey guys, I'm glad there's a place where I can finally get some info on my truck. My question is about towin with the 6 speed manual. I was wondering if when I pull a trailer am I suppose to use the 6th gear or not. The only other diesels I've owned have all been automatics, and I've heard so many different ideas from people about how I should or I shouldn't use 6th when towin. Please help with any and all knowledge on the subject. Thanks
yes you can use 6th gear towing . just use common sense like you would in any other gear and keep it at a good working rpm . the reason you don't use od when in town or pulling in the hills in an auto is because the auto will shift back and forth in and out of od and that heats the tranny up with a load .
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post #3 of 8 (permalink) Old 04-05-2008, 04:43 AM
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I'd like to have a long discussion about this....but he covered everything....lol

here's a short version then.

rpms
listen to your engine
watch your tranny temps

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post #4 of 8 (permalink) Old 04-05-2008, 05:38 AM
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Also probably depends on the weight you are towing. My trailer is only about 15K or so loaded, but if I were one of those guys with a 20K trailer........6th would not get much use. Maybe if it was regeared. Also I believe 5th is your direct gear which is the strongest? Might not be the right word. But, that is the gist of it. Also pulling some weight on the hills in 6th is not the best idea either. You will be able to tell if something isn't right.

Like Georgia Dawg said pretty much a common sense thing.

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post #5 of 8 (permalink) Old 04-05-2008, 08:32 PM
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I don't know about the manuel but with the 6 speed automatic 4th gear is the 1:1 gear (some call this tranny a double overdrive).

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post #6 of 8 (permalink) Old 04-06-2008, 01:56 AM
 
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Quote:
Originally Posted by rxr
I don't know about the manuel but with the 6 speed automatic 4th gear is the 1:1 gear (some call this tranny a double overdrive).
5th is one to one in the manual .
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post #7 of 8 (permalink) Old 04-06-2008, 02:47 AM
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Ok, I love that thread.....You can tow anything you want on 6th no problem. Just keep working your rpm and make sure you don`t downshift as soon as the rpm goes down. Let it drop way down to 1500rpm before thinking to downshift....Anyway, with time you`ll see that the best torque comes out around 1700rpm. When you it the hill the rpm might go down real fast first but when it comes around 1700 you`ll see a big difference...wow! And don`t be scare to let it drop around 1500 before shifting. In 18 wheelers we let it drop to about 1200rpm and the best torque is around 1350rpm and with all the test I did on the 6.7, is best is around 1700!! But it`s such a beast that you won`t have to downshift often hihihihihi :
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post #8 of 8 (permalink) Old 04-07-2008, 09:45 PM Thread Starter
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Thanks alot. I appreciate all the help.
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