3rd Gen Engine and Drivetrain -> 2007 and up 6.7 liter Engine and Drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

6.7L/68rfe/350hp driving impressions!

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Old Mar 10, 2007 | 11:24 AM
  #31  
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i believe 6th is supposed too be slightly longer than the 48re. I know the 48re is a .69 od, and i belive the 68rfe is .625??
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Old Mar 10, 2007 | 02:33 PM
  #32  
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I'm not familiar with the 68rfe but is that automatic? If so, I have to disagree 100% with being able to spin the tires. I drove the new 6.7 and it couldn't spin the tires to save it's life. I wonder if it would even spin doing a power brake. Luke mentioned using the manual shift mode so I assume it's an auto. If it's a manual then I apologize. If it's an auto then someone's smoking something other than the tires.
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Old Mar 10, 2007 | 03:43 PM
  #33  
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Originally Posted by drewallen42
I'm not familiar with the 68rfe but is that automatic? If so, I have to disagree 100% with being able to spin the tires. I drove the new 6.7 and it couldn't spin the tires to save it's life. I wonder if it would even spin doing a power brake. Luke mentioned using the manual shift mode so I assume it's an auto. If it's a manual then I apologize. If it's an auto then someone's smoking something other than the tires.

You must have driven a CC, because the 2500 QC 4X with 6.7L and the new 68RFE auto I drove would spin the tires. So I disagree with you 100%.
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Old Mar 11, 2007 | 01:11 PM
  #34  
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I'm with Dre..........I have driven 3 of them and not a single truck would break loose the tires from a standing stop, believe me I tried!
Good sales pitch from a dealer though.
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Old Mar 11, 2007 | 02:34 PM
  #35  
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Same here, the one I drove Would not spin the tires... 2500 QC..
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Old Mar 12, 2007 | 08:28 AM
  #36  
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Ok, I must be lying then I guess. Truely, being able to spin the tires is not a very good measure of a truck to me, but that is what it did. I don't care what anybody thinks, it offers better performance than a 5.9/48re any day.
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Old Mar 12, 2007 | 10:23 AM
  #37  
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Originally Posted by Luke S
Ok, I must be lying then I guess. Truely, being able to spin the tires is not a very good measure of a truck to me, but that is what it did. I don't care what anybody thinks, it offers better performance than a 5.9/48re any day.
My experiences were more like yours. I drove a 6.7 auto c&c with the 305hp engine, and it was very quick, especially off the line. I made a u-turn in this truck, and it lit up both duels and got sideways. I have a 05 G56 with smarty on lowest setting, and think the c&c with auto may out run me.

I drove a 07 Mega cab with the 5.9 - 48re right after and it was much slower than the 6.7. No responce with floored until the boost came up, an exact oposite of the 6.7.

I believe the 6.7 will be strong trucks. I have one of the first G-56's with the so called plastic gears which seems to be just fine after 50K.
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Old Mar 12, 2007 | 01:24 PM
  #38  
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Smooth as an "Allison"?

Hey Luke, does the 68RFE shift as smooth as an "Allison"? That's the only thing I like better about my parents d-max, the tranny feels as smooth as a CVT.
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Old Mar 12, 2007 | 01:42 PM
  #39  
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Aftwer hearing all of this I kind of wished I had waited to get the 6.7L. I had heard it was going to be a dog( lower HP and TQ then it has now) with bad mpg's. But I guess they will have any and all bugs worked out by the time I need one in 6 years
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Old Mar 12, 2007 | 01:57 PM
  #40  
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Originally Posted by jwooden
Hey Luke, does the 68RFE shift as smooth as an "Allison"? That's the only thing I like better about my parents d-max, the tranny feels as smooth as a CVT.
I sell both Dodges and Chevy's, and personally, I think both the 68rfe and the Aisin are smoother shifting than the Duramax/Allison.
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Old Mar 12, 2007 | 03:33 PM
  #41  
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What's the sticker price

What's the sticker price & how much did you all get it for? I saw one guy posted somewhere, he said sticker was $51,000 That musta been a 4x4 eh?
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Old Mar 13, 2007 | 11:42 PM
  #42  
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I think all the trannys shift extremely smooth. the Ford TS takes a little while to learn the shift strategy and it can shift a little harsh until then, but the updated ts is real smooth. We now have all 3 truck companies with great autos, witch is great, competition is good.
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Old Mar 14, 2007 | 07:10 PM
  #43  
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Cut Luke some slack, Spinning tires never won a race OR made for great gas milage. I want HP or should I say torque at the rear tires when I have the 5vr and want to pull away from some peterbilt or when I am going up a 15% incline and don't want the trans to hunt to keep it at 70. I think the 6.7 with the 68rfe that I drove with 15 miles will keep up with my 04.5 with the quad box and 40,000 miles, so what will it be like with 40,000? I will bet anyone here that in the next year there will be bombs for this truck and as all drag racers will tell you there is NO substitute for cubic inches except for cubic money!!!.
Fred
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Old Mar 14, 2007 | 08:05 PM
  #44  
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Wink

Originally Posted by bigsnakebud
People
Cut Luke some slack, Spinning tires never won a race OR made for great gas milage. I want HP or should I say torque at the rear tires when I have the 5vr and want to pull away from some peterbilt or when I am going up a 15% incline and don't want the trans to hunt to keep it at 70. I think the 6.7 with the 68rfe that I drove with 15 miles will keep up with my 04.5 with the quad box and 40,000 miles, so what will it be like with 40,000? I will bet anyone here that in the next year there will be bombs for this truck and as all drag racers will tell you there is NO substitute for cubic inches except for cubic money!!!.
Fred
- - - - What he said!!!!
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