My 6.7 vs my 5.9 towing - Ford Powerstroke Diesel Forum
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  #1  
Old 07-08-2010, 04:55 PM
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My 6.7 vs my 5.9 towing

My 2005 5.9 with 65hp chip and 3:73 gears vs my 6.7 with 3:31 gears towing 25K gooseneck. I was worried about my 3:31 choice on my new truck and was hoping it would keep up with the 5.9 with 3:73's. Well the the new Ford stomped all over my Dodge and it wasn't even close. The 3:31 is a good choice for towing, on my blacktop road I gave it a little boost and looked back to see two black marks where it was digging in the road. I would be worried with 3:73's that you would spin the tires on the pavement. Gooseneck works great and I love the engine brake.
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Old 07-08-2010, 05:23 PM
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Talking

Good to hear! I saving for one as we speak!!
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Old 07-09-2010, 06:15 PM
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Very good to hear. Would love to hear any fuel mileage comparison info too once you get some miles on it.
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Old 07-09-2010, 06:49 PM
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Since you mentioned the exhaust brake...I haven't towed yet with mine (want to get some miles on it first), but will hook up the 5er next weekend.

So you really don't have to do anything other than have it tow mode for the e-brake to work? That's the only thing that's still unclear to me.

Thanks,
Mark
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Old 07-09-2010, 06:50 PM
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Awsome! I only tow at about 1/2 capacity normally. My boat is between 6-8k lbs depending on how I load it. Looking at the torque and HP rating on the new motor I too got the 3.31 elect locking opting for the fuel ecomony empty, on my test drives I just figured that motor would have no problem getting a load going!
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Old 07-09-2010, 07:06 PM
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I've read and heard you should get atleast 500 miles on the rear axle before you put her to work.... break in period.

I like 1000 myself....
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Old 07-09-2010, 07:51 PM
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Quote:
Originally Posted by MDarrough View Post
Since you mentioned the exhaust brake...I haven't towed yet with mine (want to get some miles on it first), but will hook up the 5er next weekend.

So you really don't have to do anything other than have it tow mode for the e-brake to work? That's the only thing that's still unclear to me.

Thanks,
Mark
Is it really an exhaust brake or an engine brake like the 6.0 has?
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Old 07-09-2010, 08:37 PM
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Yea, I guess you're right...it is an engine brake. I was thinking exhaust brake. So it's no different than my 6.4?

Mark
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Old 07-11-2010, 08:23 AM
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The dodge 6.7l I had was true exhaust braking and was a jam up system for slowing down a load, but the ford 6.7l sounds more like engine braking when I am slowing a load down. It feels to be a little better than my 6.4, maybe it is the extra gear..not sure.
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Old 07-11-2010, 08:27 AM
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Hello



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