In my last column I talked about the use of the preservative oil, Aeroshell 2F, to prevent rust in idle engines. I have since learned that Shell is phasing 2F out and in the future will only offer Aeroshell 2XN.
Before you panic, let me explain. 2XN is just the additive system out of 2F. To make the exact 2F, you would blend three parts Aeroshell 100 mineral oil and one part 2XN.
So if you want to have the same protection for winter storage and would normally just add a quart of preservative oil to the oil change, now you would just add one quarter of a quart of 2XN to the change. [Read more…]