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Chevy Silverado

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  • mpurpmpurp Posts: 16
    I notice while looking at the new Silverados Ext cab that gas milage is the same for both 4.8 and 5.3 liter engines, 15 city, 20 Freeway. Does any body know how much less MPG one gets with the 4.10 gears compared with the 3.73 gears. I will not be towing more then 4000 lbs fully loaded a few times a year, so I guess 3.73 gear would be ok. But the extra 1000 lbs of towing capacity with 4.10 gears would be nice to have.
    .
  • ryanbabryanbab Posts: 7,240
    15 city and 20 highway??? Is that for a 2wd?

    I am currently getting 10-12 city and 12-15 highway. My highest milage is 19.5 this past summer through the mountains in NC. THis is on a 5.3 with the 3.73 Z71. Also if you are going to go with larger tires get the 4.10 to compensate.
  • mledtjemledtje Posts: 1,123
    Mileage for 3.73 and 4.10 final drive will be about the same.

    It takes the same amount of power to move the truck with either gear; the same amount of power takes the same amount of fuel; the cpu will control the fuel injection to optimize the mixture.

    The 4.10 may deliver slightly (0.1mpg) lower economy due to higher friction losses from higher engine speeds. Of course, the 4.10 may deliver slightly better economy (0.1mpg) due operating closer to the torque peak. All in all, it is a wash and the mileage varies more from identical truck to identical truck than it varies from final drive ratio.

    Mike L
  • mpurpmpurp Posts: 16
    Thanks for the reply, Mike did you mean to say that it take the same amount of energy to move the truck. It has been years since I have been in school but for Power it is the energy transfer per unit of time. I have to think about this some more...
  • If you want power/torque AND mileage, get the Duramax.

    Mike .T.
  • mledtjemledtje Posts: 1,123
    It doesn't make any difference if you want to think about the amount of energy to go 65mph, or the amount of power to drive that speed for 3 hours. The answer is the same.

    Mike L
  • babybbabyb Posts: 18
    My father recently purchased a 2003 2500HD crew cab, long box. It is in for the third time with the 4X4 Service light on. Has anyone had any problems like this? Chevy cannot see to find anything to fix it.
  • Does anyone else have this set-up? The best mileage I can get is 8 around town and 10 on the open road, I had a 97 454 auto 3.73 4x4 and could get 16 on the open road, just wondering if anyone else seems to have the same problem? Thanks, Suburbansrule
  • I am getting ready to change the air filter in my 2000 2500 rado. I would welcome any input on whether it is worth the bucks to get a performance filter vs an OEM filter??
  • obyoneobyone Posts: 8,065
    Black '00 2500 rado. If you're planning on waiting another three years to change again, I'd say it doesnt really matter which one to get cause they both going to be plugged anyway.
  • texsuntexsun Posts: 23
    I installed the K&N Generation II FIPK in my '02 1500HD and definitely think it was worth the bucks for improved performance.($250.00)

    My brother installed the K&N factory replacement ($45.00) in his '02 1500 HD 'Rado and is impressed with the improvement over OEM. OEM filter from dealer is appr $32.00. K&N is worth the extra $.
  • txyank1txyank1 Posts: 1,010
    in OEM vs K&N when new. But as they get dirty the K&N will flow more air than OEM.
  • ryanbabryanbab Posts: 7,240
    have you talked to our pnemonia stricken friend lately? :) Wonder if that cabin filter ever got changed???
  • I have had a 2500HD Duramax Diesel 2002 since 6/02. Since then I have experienced intermittent power steering & brake failure simultaneously. This has occurred 4 times. The truck has been towed once. The other 3 times the truck has done this, I have turned the truck off, rocked the wheel back and forth and finally power steering & brakes "kick in."

    The local dealer has replaced the power steering pump once. Their answer as to why this has happened 3 times since is that "the line is contaiminated."

    Has anyone ever had something like this to happen? Any ideas?

    Thanks!
  • arttartt Posts: 14
    Letter received 2/27/03 FYI.

    Central Office
    Chevrolet Motor Division
    General Motors Corporation
    100 Renaissance Center, P.O. Box 100, Detroit, Ml 48265-1000
    C99066E
    February, 2003

    Dear Chevrolet Customer:

    As the owner of a 1996, 1997, 1998, 1999, 2000 or 2001 model year S-10,
    Blazer, Astro, C/K Pickup, Tahoe, Suburban, Chevy Van/Express, 'P' or 'W4'
    truck that is registered in California, equipped with a 4.3L V6, 5.0L V8 or
    5.7L V8 engine, and California emissions, your satisfaction with our product
    is very important to us. Your vehicle was provided with a new vehicle
    warranty, which covers certain parts of your vehicle for a specified period.
    These warranties are of considerable value to you if you should experience
    problems with your vehicle.
    This letter is intended to make you aware that some 1996, 1997, 1998,
    1999, 2000 and 2001 model year S-10, Blazer, Astro, C/K Pickup, Tahoe,
    Suburban, Chevy Van/Express, 'P' or 'W4' trucks that are registered in
    California, equipped with a 4.3L V6, 5.0L V8 or 5.7L V8 engine, and
    California emissions, may experience a "Service Engine Soon" light, misfire,
    rough idle or hard start due to a deposit build-up on the Sequential Central
    Port Fuel Injector (SCPI) poppet valve(s). The deposit build-up may cause
    injector poppets to stick closed. Certain fuels have been found to interact
    with the SCPI system to cause the deposits.
    This is not a recall. Do not take your vehicle to your Chevrolet dealer as a
    result of this letter unless you believe that your vehicle has the condition as
    described above.
    What We To address the above-mentioned condition, General
    Have Done: Motors is providing special warranty coverage to owners
                   of applicable vehicles registered in California. If the SCPI
                   system failure condition occurs on your 1996, 1997, 1998,
                   1999, 2000 or 2001 model year S-10, Blazer, Astro, C/K
                   Pickup, Tahoe, Suburban, Chevy Van/Express, 'P' or 'W4'
                   truck within ten (10) years of the date your vehicle was
                   originally placed in service or 200,000 miles, whichever
                   occurs first, the condition will be repaired for you at no
                   charge. Other conditions that may cause similar or
                   different driveability complaints, or cause a Malfunction
                   Indicator Light illumination, that are not a result of SCPI
                   system failures are not covered by this special policy.
                   However, you will not be charged for performing a system
                   check when determining that the SCPI system is not the
                   cause. Any repairs that would be necessary due to other
                   conditions would be your responsibility, if you elect to
                   have your dealer provide the service.

    What You Repairs and adjustments qualifying under this special
    Should Do: coverage must be performed by a General Motors dealer.
                   You may want to call the service department at your
                   dealer to find out how long they will need to have your
                   vehicle so that you may schedule the appointment at a
                   time that is convenient for you. This will also allow your
                   dealer to order parts if they are not already in stock.
                   Keep this letter with your other important glovebox
                   literature for future reference.

    Reimbursement: If you have already paid for some or all of the cost to have
                   the SCPI fuel system repaired or replaced, and you have
                   not received reimbursement under a Vehicle Service
                   Contract, and the in-service time and mileage was less
                   than 10 years and 200,000 miles, you should write to
                   Chevrolet Motor Division, P.O. Box 33170, Detroit,
                   Michigan, 48232-5170 to seek reimbursement. Please
                   provide your original paid receipts or invoices verifying the
                   repair, the amount charged, proof of payment, the date of
                   payment of those charges and proof of ownership of the
                   vehicle at the time of the repair. This information must be
                   provided within two (2) years after the date on which you
                   paid for the repair or within two (2) years of the date of
                   this Special Policy Bulletin, whichever is greater.
                   If the work was done by someone other than a GM
                   dealership, the amount of reimbursement will generally be
                   limited to the amount that the repair would have cost GM
                   to have it completed by a GM dealership.

    If you have any questions or need any assistance, just contact your dealer
    or please contact the Chevrolet Customer Assistance Center at 1-800-222-
    1020. The deaf, hearing impaired, or speech impaired should call 1-800-
    833-2438 (Utilizes Telecommunication Devices for the Deaf/Text
    Telephones, TDD/TTY).

    We are sorry for any inconvenience you may experience; however we have
    taken this action in the interest of your continued satisfaction with our
    products.
                                          Chevrolet Motor Division
                                          General Motors Corporation
  • obyoneobyone Posts: 8,065
    Haven't spoken to him lately. I'd definitely bet against it being changed. In fact I'd bet he misplaced it somewhere by now.
  • Does anyone else have this set-up? The best mileage I can get is 8 around town and 10 on the open road, I had a 97 454 auto 3.73 4x4 and could get 16 on the open road, just wondering if anyone else seems to have the same problem? Thanks, Suburbansrule
  • noobie1noobie1 Posts: 326
    I have the X-Cab. Most of my driving is long distance, maybe 15% stop & go. Currently at 24K. 11.5 combined. The closer I get to all hyway, the closer it gets to 13. I've averaged as much as 16 at high altitude. I'd definitely look into having it checked out. Pulling the plugs or having your exhaust analyzed to determine mixture correctness seems like a good place to start. How many miles on your truck?

    -David
  • hknoepflehknoepfle Posts: 45
    I believe that driving conditions and milage are primary factors in air filter performance and longevity. So.... if I wait until, whenever, to change my filter 'trust me, I know what I am doing", quote detective Dick! Later, Mr. K
  • kg11kg11 Posts: 530
    '01 2500HD x-cab 4x4 8.1 Allison 4.10 I always get over 13 hwy.I get about 10 combined(about 50/50)I've never driven just in town but I'm sure it wouldn't be good with my lead foot and all.

    kip
This discussion has been closed.