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Thread: 1999 GMC Suburban K2500 6.5L - Converted to run on straight vegetable oil for sale

  1. #1
    Join Date
    Nov 2023
    Location
    Maryland USA
    Posts
    2

    Default 1999 GMC Suburban K2500 6.5L - Converted to run on straight vegetable oil for sale

    I have a 1999 GMC Suburban K2500 6.2L that is converted to run on straight vegetable oil that I need to get out of my driveway. It's been sitting for a couple of years and needs some work. If it's not inappropriate for this forum, I'm looking to sell it.

    Overall it is in good shape for the age. I stopped driving it when a power steering line burst and it's been sitting since then. Here are the issues it has:
    - Power Steering line needs replaced.
    - a problem in the starter circuit - most of the time it won't crank. The problem is somewhere in the circuit to the Bendix or in the Bendix itself. At the most it needs a new starter. I think it's in the wiring though.
    - a couple of tires have gone flat, and they need to be replaced.
    - It probably needs some glowplugs replaced
    - it needs a good cleaning.

    It ran great on diesel or SVO.
    I had replaced the engine with a junkyard engine that runs fine (The engine seized when an oil cooler line burst). Less than 10,000 miles since I replaced it.
    I've had the transmission replaced with a rebuilt one - less than 5,000 miles on it.
    Replaced the front axel / diff.
    Two fuel tanks - the original steel 44 gallon tank is modified with heat exchangers piped into the coolant lines and I added a 34 gallon tank for diesel.
    Heated SVO filter.

    I'm not looking to make a ton of money on it - make an offer. I can provide details and photos if requested.

  2. #2
    Join Date
    Jan 2001
    Location
    New Hampshire - Live Free or Die
    Posts
    6,052

    Default

    If it's a '99 then it should be a 6.5. Or was that from when you installed the junkyard engine?
    The Constitution needs to be re-read, not re-written!

    If you can't handle Dr. Seuss, how will you handle real life?

    Current oil burners: MB GLK250 BlueTEC, John Deere X758
    New ride: MB GLS450 - most stately
    Gone but not forgotten: '87 F350 7.3, '93 C2500 6.5, '95 K2500 6.5, '06 K2500HD 6.6, '90 MB 350SDL, Kubota 7510

  3. #3
    Join Date
    Nov 2023
    Location
    Maryland USA
    Posts
    2

    Default

    Quote Originally Posted by JohnC View Post
    If it's a '99 then it should be a 6.5. Or was that from when you installed the junkyard engine?
    Typo - It IS a 6.5L Turbo Diesel.

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