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 ...
If you're searching for information about the Cummins 4BT diesel engine and how it differs from the 6BT, you likely fall into one of three camps. Camp one enjoys reading about obscure diesel engines.
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