Originally Posted By: rszappa1
I think that it was a 5w20 weight....real thin for back then...but look now that is the weight for my 07 Honda....
Wow! you've got me beat. I;ve used M1 for 31 years. It was in fact 5-20. If you guys think oil is high now, M1 in 78 cost $5.00 a qt. I guess that would be at least $15.00 a qt. in todays money. Mineral oil was aprox. 35 cents then.
I think that it was a 5w20 weight....real thin for back then...but look now that is the weight for my 07 Honda....
Wow! you've got me beat. I;ve used M1 for 31 years. It was in fact 5-20. If you guys think oil is high now, M1 in 78 cost $5.00 a qt. I guess that would be at least $15.00 a qt. in todays money. Mineral oil was aprox. 35 cents then.