I'm with Tiny, any oil gets thinner with temp, as stated in the wiki article: "The viscosity of a multi-grade oil still varies logarithmically with temperature"

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot