I have found that if the truck goes to idle in second, down hill, if I rev up, the
engine will stay spooled up, and
engine braking occurs.
Wm
http://wsphotofews.excite.com/032/Mp/Wb/5M/EN89478.jpg
'96 F450 Custom Crewcab 4x4 Flatbed, Powerstroke, Banks Powerpack, Chip, Tranny control,Aux tranny,
engine worked giving 340 hp and 660lb ft torque