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new guy: Stephen King, 1997 K2500, 7.4L Suburban

Discussion in 'Member Introductions' started by Stephen King, Sep 5, 2012.

  1. Stephen King

    Stephen King New Member

    HI: I am joining becasue I need some advice!

    I have 1997 K2500 Sub with the 7.4 liter in it. I have added a cold air intake, cat back exhaust, and Iridium plugs. I am going to add an MSD ignition this month. I really like travelling in this, it is solid, good ride, good visibility.

    Is there any way to get the gas milage up from 13\15 MPG? We don't use this vehicle very much except for lumber yard runs, some winter commuting and the occasional long trip. I can retire so I see myself doing a lot of travelling in the future, plus my mom is 8 hours away.

    So the question is what else can I do to up the MPG? I can add headers later on, would that help?

    One alternative I have read about is taking out the 454 (its 15 years old) and replacing it with an up to date 383 either supercharged or not. Another was to replace the 454 with a supercharged 350 fuel injected.

    Or should I just go for a late model K1500 and replace the stock engine with a crate engine?
     
    Last edited: Sep 5, 2012
  2. SurrealOne

    SurrealOne Former Member ROTM Winner 1000 Posts

    Welcome to GM Truck Club! :great:

    If you don't get a response in the next day or so on this then I recommend posting your inquiry in the 'Technical Forums' section as appropriate to the type of issue you have ... or in the 'GM Platforms' section specific to your vehicle. You'll reach a wider group of the forum members that way ... and target your inquiry more directly to those who might already have experience with it.
     
  3. Curky

    Curky Active Member 2 Years 1000 Posts

    Welcome to the club, someone should be able to help you. do what surreal said and re-post
     
  4. donyms

    donyms Rockstar 4 Years ROTM Winner 1000 Posts

    Welcome to the club, it's good to have you aboard. :glasses:
     
  5. Bighornkid

    Bighornkid Member 2 Years 100 Posts

    Hi, welcome to the club. Wish I got 15mpg with my big block.
     
  6. retired2001

    retired2001 Epic Member 5+ Years 5000 Posts

    Welcome to the G M T C !
     
  7. LOVINTHESTORM

    LOVINTHESTORM Active Member 2 Years ROTM Winner 1000 Posts

    Welcome to the club!
     

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