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View Full Version : Gas mileage 1997 ford f350 7.3 diesel


Nick 89
Mar 1, 2010, 01:04 AM
Looking for mpg and if can put anything on eng to increase mpg

TxGreaseMonkey
Mar 1, 2010, 07:05 AM
Go full-tilt on synthetic lubricants in your diesel--HDDO, transmission fluid in transmission and transfer cases, gear oil in differentials, and wheel bearings. The links below should help:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-12.html#post2162069

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-8.html#post1415281

This should increase mpg by 10%+.