6.7 sluggish in od?
My buddy is buying a 6.7 andf thinks it is very sluggish in O/D when stopping on it. HE said my 5.9 felt like a rocket compared to this. it is a 6 speed auto 2008 big horn.
this 6.7 has 13k also could that be some of the issue? DPF, can you just unplug it without any side effects? |
hmm i would almost say that something is wrong with the 6.7 if it was sluggish comared to the 5.9 is it stock? manny or auto?
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thats what I thought as well. it is a 6 speed auto. I told him to try it with the O/D off and see if it is better.
it does have a jake brake too. very nice truck |
The drop in rpms in 6th is insaine, If it doesn't downshift when punched, yes it is a slug. I think when I was drivin my buds it was at 1350 goin 70 :D
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he said it did down shift when he punched it and it was still a slug. when he gets a chance he is going to drive it with the od off. that should tell him if anything is wrong with the truck. I am guessing the low rpms are what does it. I also asked him why that would be so importatnt. lol
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Turbo could be sooted up and not allowing the VGT function to work properly?
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just to add the truck is completely stock, if that makes a difference
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nope, no differece at all... Crap egr design does it.
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The '08 6.7L we de-BlueTec'd in the shop last winter was such a slug while baselining that I had to pop the hood just to make sure there really was a Cummins in there somewhere.
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Originally Posted by Red_Rattler
(Post 345957)
The drop in rpms in 6th is insaine, If it doesn't downshift when punched, yes it is a slug. I think when I was drivin my buds it was at 1350 goin 70 :D
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