Quote:
Originally Posted by Bucoo
My buddy has a 6.7 dually automatic with grip tires cruising at about 60 he gets about 21-23 (deletes with edge). Dad has a 6.7 standard and going about 75 on the interstate with 35s he gets 19 or so without deletes. My brother has a 6.7 with 35s also with an automatic and gets over 20 mpg cruising on interstate and has gotten 25 mpg before (deletes with smarty). Either way you go ought to be good.
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Yea, This is my truck 6.7 Mega cab 4x4 w/ 6spd on 35" toyo's.. Staight highway, it'll calculate 19-20. Have got 22 calculated on a trip to dallas on 33s. Not overhead.. 10-12 pulling 35' camper running 75 also.. Bone stock. Oh yea, I have a fairly heavy foot..
Delete it and u'll have more power and just as good mileage as the 5.9. And there's more low mileage 6.7s out there than 5.9s.