Quote:
Originally Posted by AlaskaDog
Fishkiller,
I have the 3.73's which worked well until I put bigger tires on, now I wish I'd ordered the 4.10's. If you plan or installing a suspension system that includes larger diameter tires, I'd stick with what you ordered. If you want great mileage, go to the 3.73's and drink decafe!
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I am in the same situation. I have the 3.73's, and when I lifted the truck on 37's, my mileage dropped a few mpg. One of the next things I do is upgrade to 4.10's. Some say go with the 4.56's, but that is only good if you tow a lot. I drive a lot on the highway, and I am getting 16mpg now. It should go up when I get the 4.10's. If you are not planning on lifting the truck with big tires, or towing a lot, I would get the 3.73's.
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07 2500 QC (
Electric Blue Pearl) 4x4, 5.9L, HTS Trans, Ostrich Seats, 8" Rize Lift, 20's on 37's, Amsoil w/ BMK-11, SMARTY, 5" MBRP, CFM+, AFE Stage 2/Nano Filter, BD Manifold, DiPricols, Quad Commander & Boost Fooler, FTE Rail Cap, Wicked CP3, Airdog 150, Mag Hytec's. More to come....
8" Mitre coming soon