× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: p1291
Posted to HD/Fleet Forum on 12/3/2020 1 Reply

The 6.4 is related to the 6.0, both of which are International engines. The 6.7 is a Ford engine, and unrelated to the previous PowerStrokes. Login to read more.

1 Replies Received (View Replies)