A nice thing about discussion boards is folks having different opinions on most topics.KDM wrote:I'd read that and discounted it, worriedly! It seemed to be two differing opinions.
My WD and WC Allis Chalmers Operator's Manuals lists the octane rating for distillate engines as 30 octane rating or higher. The octane rating for gasoline engines is 60 octane or higher.
Didn't find the printing date on the manuals, guessing around 1935 to 1949.