fayrwerks

been reading lot of good feedback with synthetic oil as after-run substitute. whats the diff. between mineral/synthetic/petrolleum etc. do synthetic ogger better rust protection, is the other harmful on the rubber seals?

d_bodary

My Feedback: (85)

Synthetic oil will not harm silicone seals. Such as the ones in pumped engines.

Dennis

Jim Thomerson

Rislone is green, cheap, and good.

fayrwerks

its ok if i use mobil1 synthetic motor oil as after run substitute?