Originally Posted by
randallr
Original Poster; I wonder what viscosity grease you're pumping, and how fast it's pumping? I use Phil Wood green grease at room temp in a Pedro's grease gun (which pumps a pretty small volume at a time). I get no blowback.
I can't remember what type of grease it is. It's off-white in color and thick but no thicker than what I would think any other grease would be. It may be Finish Line.