Upgrading a Ford 6.7L Power Stroke with a '15 Turbo and CP4.2 Disaster Prevention Kit ’15 Turbo Install & Preventing All-Out Fuel System Failure From the 5.9L and 6.7L in the Cummins camp to every RPO code Duramax ever produced, […] Mike McGlothlin November 07, 2023 Cover Story Cummins Diesel Cars Diesel Engines Diesel News Diesel Tech / How-To Vintage Diesels