Yes, I know it’s a stupid question but the premise does intrigue me so feel free to join me in speculation.
The question is based on my recent experience buying a used Scion with the problematic 2az-fe engine that is prone to severe oil consumption due to badly designed oil control rings and piston. My particular specimen was burning a quart at less than 300 miles. A prolonged piston soak has improved that about 3X, but conversations about issues with carbon buildup and cat clogging led me to think about the possibility of using two cycle oil in an engine with a severe consumption problem. Since two stroke oil is designed to be burned up cleanly I wonder if it might prolong the life of the cat and slow the rate of carbon buildup.
Mind you this isn’t something I would even consider at the current burn rate, but some people I’ve talked to are burning a quart every 100 miles. I wonder at that point if it wouldn’t be worth a try to fill the sump with two cycle oil?
Why is or isn’t this a terrible idea?
The question is based on my recent experience buying a used Scion with the problematic 2az-fe engine that is prone to severe oil consumption due to badly designed oil control rings and piston. My particular specimen was burning a quart at less than 300 miles. A prolonged piston soak has improved that about 3X, but conversations about issues with carbon buildup and cat clogging led me to think about the possibility of using two cycle oil in an engine with a severe consumption problem. Since two stroke oil is designed to be burned up cleanly I wonder if it might prolong the life of the cat and slow the rate of carbon buildup.
Mind you this isn’t something I would even consider at the current burn rate, but some people I’ve talked to are burning a quart every 100 miles. I wonder at that point if it wouldn’t be worth a try to fill the sump with two cycle oil?
Why is or isn’t this a terrible idea?