7.3L to 6.7L comparison
I replaced my '99 7.3L with a '15 6.7L recently. The two trucks are as identical as you can make from the order book: Supercab F350 dually 2WD Lariat 3.73 gears. For several years I have made the driv...
Forum Discussion
BigToe wrote:ppine wrote:
I pull with an old 7.3 with a few mods on it. I go by the tach in the hills. Running in high gear on a grade generates a lot of heat. I would use it to stay in the rpm range around 1,800-2,000 range or more when pulling grades.
I run a 7.3L between 2,450 - 2,650 RPMs when pulling grades.
With a pyro, it is easy to see the relationship between lower engine rpms and higher EGTs when pulling grades.
Ofcourse!You are very correct. Mine will pull any hill in 6th gear and builds heat to match...no reason for that, down shift and spin it up!
