Originally Posted By: Tman220
I wouldn't worry about it, the difference between 40 and 50:1 in a quart size container s .16 0z's how many people can even measure that accurately?
Exactly. Or it may be 45:1. I have ran OPe on 64:1 so 45 0r 50:1 should not be a problem if it's got a good oil.