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bbcdon
Dodge Dakota
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5/10/2006
23:00:37
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 Subject: Swapping Gears on 06
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Message:
I just purchased an 06 quad cab 4X2 SLT with 4.7L V8 with 3.55 rear gears. If I swap to 3.91 or 4.10 gears, will this mess the computer up, or just the speedometer reading? The service guy at the dealership didn't impress me with his knowledge. Thanks, Don.
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no
Dodge Dakota
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5/10/2006
23:18:46
| RE: Swapping Gears on 06
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Message:
it wont screw anything up. wont affect speedo(bigger tires will)
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Joey
Dodge Dakota
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5/12/2006
15:11:55
| RE: Swapping Gears on 06
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gears wont mess anything up. get some 4.56s in that thing. u will love them. i have them in my r/t and its awesome. if u dont wanna go that far at least go for 4.10s. 3.92s arent enough.
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trucky
Dodge Dakota
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5/13/2006
05:05:09
| RE: Swapping Gears on 06
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arent 4.56's terrible for gas mileage and traveling on the freeway?
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Kowalski
GenIII
5/13/2006
07:52:26
| RE: Swapping Gears on 06
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Message:
Generally speaking, lower gears means worse milage, and lower top speed. It used to be more of a highway concern before overdrive transmissions, now we can get a better compromise between gearing for power or highway. Several of us have actually seen better milage going from 3.55 to 4.10 with the 4.7; it could be that this motor is more efficient at higher revs than many old design motors. I haven't seen that claim from those with 4.56 ratio, but they haven't complained of a big drop in milage either.
Lead, follow, or get out of the way
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ID 4x4
GenIII
5/13/2006
14:08:38
| RE: Swapping Gears on 06
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Message:
No complaints. My mileage has suffered around town and off-road as that's where I "use" these gears, if you know what I mean. Highway has stayed the same as my 3:55's because I'm usually in 5th with cruise on driving pretty mellow.
01 cc 4.7 5-speed 4x4, Rancho lift,4:56 LSD, MBRP exhaust, Superchips
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