Why I add 12% (one gallon) of gear lube at every oil change...

[Wiseman]

(08-13-2017 )Tanker93 Wrote:  Could be a dumb question but, would it cause any damage if you were to pre fill the oil filter with gear oil?

MOST LIKELY YES because it's like starting engine at subzero temperature !
Doing so will drastically shorten the engine life and accelerate premature components failure !
It's like playing a "Russian roulette" . There's only one in the drum and the rest are empty.
The outcome is well known......