1985 GMC K-15: Shortbed Cummins Conversion

4BT-Powered '85 GMC K-15

Jason ThompsonFeb 1, 2011
Alex Wise bought this '85 GMC K-15 pickup brand-new off the sales lot more than 25 years ago. The truck originally had a naturally aspirated 5.0L V-8 gasoline engine, but that recently got replaced with a 3.9L Cummins inline-four turbodiesel engine. Alex loves his swapped-in 4BT Cummins. The rust-free GMC now gets better fuel economy, has more power, and attracts all kinds of attention at the car and truck shows it attends.
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How Does He Make It Look So Easy?
Alex is a fabricator at his family-owned business, ABM Fabrication & Machining in Arvada, Colorado, so he is in a unique position to have one incredible custom-built truck. His craftsmanship, attention to detail, and fabrication skills used in his day job transfer effortlessly to his hobby. Plus, when you've owned a truck like this since it was new-you have a lot of time to save your money and plan your upgrades!

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