Where should my boost pressure be when towing, in 4th gear? At 50-55 mph
it is at 10 psi some times 12-15 not offten though.In third (Manual trans) with higher rpms it will go to 20# but will pull better when I drop the boost to12# by foot on a grade up hill. It has the stock fuel plate slide forward 1/16 from full forward, and cover back just a hair. I changed my fuel filter in April, and am thinking of doing it again to see if this will help. Truck seems to run fine.
Any suggestions?
Thanks