Andy,
Your gas mileage likely isn't due to axles, but transmission. Autos use
quite a bit of gas in shifting, whereas with a manual, you (or should)
actually let entirely off the gas, closing the butterfly valve completely,
while shifting.
-- -Jon jonsdak@midmaine.com http://jonsdakota.tripod.com 1996 Dodge Dakota Sport 4X4, 3.9L V6, 42RE, 3.92:1 8.25 axle, "BackRack" Headache Rack, Dodge Motorsports decals, steering wheel cover, and front license plate, diamond-plate bedrail covers, Lund VentVisors, Lund BugShield, Jensen MP-3310 CD/MP3 Receiver, Pioneer TS-G1347's in front, TS-A5713's in rear, Bulldog RS-82 Remote Starter "andy levy" <andy-dml@levyclan.us> wrote in message news:bf79ej$252$1@bent.twistedbits.net... > > Brian T. Carter wrote: > > > - The Gen IV Dak will appear as an early '05, right, so I could hold off > > ordering the Gen III until say March '04? > > To be on the safe side, I'd recommend ordering before the middle of > February. > > > - I read that the 4.7L with the 45RFE has the same bolt pattern as the > > current production 5.7L HEMI - is that correct? > > In the Rams, both engines use the same 545RFE transmission (same as > you'd get on the 4.7L in the Dak). The 5.7 won't fit into a current Dak > without some severe bodyword. > > > - I currently have 3.92 gears, would I be better off with the 3.55 for > > towing and off-road? > > Get the 3.92s. As Punch said, the 3.55s are good for gas mileage and > getting to high speed, whereas the 3.92s give you more grunt (by putting > the engine higher in the RPM range for a given speed). > > Now, in theory you'll get lower gas mileage with the 3.92 than the 3.55, > but my '03 QC 4x4 3.92 4.7L manual gets gas mileage equal to or better > than my '99 CC 4x4 3.55 318 auto. > > > - What is the real difference between the NV233 and NV244 transfer > > cases? > > The 233 is part-time 4WD (4WD only for wet/slippery surfaces, no > differential between the front & rear axles), the 244 is full-time 4WD > (or all wheel drive), no 2WD option at all. > > -- > -andy > > http://home.twcny.rr.com/andylevy/dakota - andy-dml@levyclan.us > -------------------------------------------- > "Whatever Adam does, do the opposite and you'll be fine" > -Bob Tom > -------------------------------------------- >
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