Originally Posted By: ARB1977
I would compair the specs of each oil. GC compaired to Amsoil 10W30/30W...GC is much thicker at operating temps. My Honda is using Amsoil 10W30/30W since thats what its speced for, no oil buring from spring till almost winter. I use the mower once a week for a few hours.
My buddy is using Maxlife blend 10W30 in his briggs.
My father threw MaxLife 5W-30 into a mower that called for 10W-30, and there were no problems...