1998 chevy mpg?

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1998 chevy mpg? - 4/3/2008 11:27:04 AM    james80   Posts: 10 Joined: 4/3/2008 Status: offline I just bought a 1998 chevy 2500 it has the 350 in it, has 170,000 miles on it. i just had a tune up on it and i am still getting 12  is this normal? or what should i be getting and is there anything else i can do to increase the mileage Post #: 1

RE: 1998 chevy mpg? - 4/3/2008 11:55:45 AM    northey87 Posts: 855 Joined: 10/17/2007 Status: offline Welcome to the forum!!! What rear end gears do you have? _____________________________ ''''95 1500 Silverado, 350, flowmaster Force II exhuast, S&B CAI. Get your votes in for the August ROTM!! http://snappoll.com/poll/279825.php (in reply to james80) Post #: 2

RE: 1998 chevy mpg? - 4/3/2008 12:58:24 PM    james80   Posts: 10 Joined: 4/3/2008 Status: offline 3.73 (in reply to northey87) Post #: 3

RE: 1998 chevy mpg? - 4/3/2008 12:59:53 PM    northey87 Posts: 855 Joined: 10/17/2007 Status: offline Do you have stock size tires? _____________________________ ''''95 1500 Silverado, 350, flowmaster Force II exhuast, S&B CAI. Get your votes in for the August ROTM!! http://snappoll.com/poll/279825.php (in reply to james80) Post #: 4

RE: 1998 chevy mpg? - 4/3/2008 1:02:41 PM    james80   Posts: 10 Joined: 4/3/2008 Status: offline no i got 265/75R16 on it now stock is 245/75R16 (in reply to northey87) Post #: 5

RE: 1998 chevy mpg? - 4/3/2008 1:11:32 PM    northey87 Posts: 855 Joined: 10/17/2007 Status: offline What kind of driving are you doing mostly? city? highway? _____________________________ ''''95 1500 Silverado, 350, flowmaster Force II exhuast, S&B CAI. Get your votes in for the August ROTM!! http://snappoll.com/poll/279825.php (in reply to james80) Post #: 6

RE: 1998 chevy mpg? - 4/3/2008 1:17:12 PM    james80   Posts: 10 Joined: 4/3/2008 Status: offline highway about 36 miles round trip (in reply to northey87) Post #: 7

RE: 1998 chevy mpg? - 4/3/2008 1:21:01 PM    petrou   Posts: 34 Joined: 3/25/2008 Status: offline like mr. northey has asked for nothing but city driving lots of stop and go. that would probably be about right. but if thats with nothing but highway driving i would start thinking that the tires need to be downsized. is it an auto trans or stick. one thing you could do is go through and change all oils, to synthetic, something like mobil or royal purple. _____________________________ 8.1L MT HORSE HAULER (in reply to northey87) Post #: 8

RE: 1998 chevy mpg? - 4/3/2008 1:21:12 PM    northey87 Posts: 855 Joined: 10/17/2007 Status: offline 12 Maybe normal with 3.73 gears, mine gets 15 highway with 3.43 gears and I bet your truck a little but heavier than mine.  _____________________________ ''''95 1500 Silverado, 350, flowmaster Force II exhuast, S&B CAI. Get your votes in for the August ROTM!! http://snappoll.com/poll/279825.php (in reply to james80) Post #: 9

RE: 1998 chevy mpg? - 4/3/2008 1:26:37 PM    james80   Posts: 10 Joined: 4/3/2008 Status: offline its an automatic and all that i do run and all that was run before i got it was synthetic (in reply to petrou) Post #: 10

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