jlayne said:i use just regular old high temp grease in mine, and all the other grease points... i'm sure ford has some outrageouly overpriced grease if you wanted it
NJKen said:I use Mercruiser spline grease on mine. It is suposed to prevent spline wear. The splines on the I/O boat engines take a beating and hold up good. Maybe it's the grease! !
Ken