Quote:
Originally Posted by djdc
I'm running a 07 3500, G56, QCab.
I'm thinking of trading up to a 4500 with an auto.
Here's my question:
Those of you that have the 4500 or 5500 with the auto.
1) What gears do you have.
2) Whats your RPM say at 65 MPH.
3) When you are loaded ( pulling a trailer) do you just shift into DRIVE or O/D and go, or do you have to drive in a lower gear.
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My 4500 has 4.88 gears w/ aisin rpms are 2100 at 65mph. I only put in tow haul mode around town any thing over 45 just put in drive.