This question is for those that have a Ford V10 in a class A. I have a 2007 Allergo 32BA with the Ford V10 that only has 36,000 miles on it & I took it to mountains of Western NC this week, and it see...
The V-10 has been torture tested by Ford and at various RPM’s. It will live all day long at 4K! Just let it work the way it was designed. Other than the very intrusive throttle by wire programming.