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2018, Air Filter, Big Cam Cummins, Peterbilt -

Many of us who have been in the trucking industry all our lives, and even some younger people, have a fascination for antique trucks.  There’s something special about the rebuilding of “Old Iron,” a Class 8 truck from the mid 1970’s and older. This article will be about a commonly overlooked  problem when installing a newer diesel engine into an older truck. Please keep in mind that the older low horsepower and smaller cubic inch engines do not require a lot of fresh air measured in CFM (cubic feet of air per minute).  The small cam Cummins engines that were...

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