Home › Forum › Ask A Member › 1957 Fleetwin 7.5 › Re: 1957 Fleetwin 7.5
June 28, 2018 at 9:53 am
#78598
Do, in fact, use 16:1 oil ratio. I had a 7.5 when I was a kid. A supposedly knowledgeable person told me I could use 50:1 because the oils were better than previously available. It went about 1000 feet and threw a rod.
Long live American manufacturing!