I fly Gas RC airplanes and If fuel is over 30 days I put it in my riding lawn mower.

synthetic oil would be better than petroleum oil on the converter, but we are dealing with a fraction of a percent so neither should make a real difference.

Simple answer go for it


1991 Toyota 4x4 Standard Cab Pickup.
engnbldr cam and head.
Doug Thorley Headers
Home Made Cat Backs
30x9.5x15 BF Goodrich All-Terrain M/T KM2