Many, many moons ago, I owned a 1946 Cessna 140. Cessna specified 40wt oil for it. It had a 90HP Continental 4 cyl air cooled engine.
I'd think that 40wt would not be out of line for our older air cooled engines. I'd certainly go no lower than 30wt.
i put some ATF in the oil this time
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, Aug 10, 2011 03:13 PM
16 replies to this topic
#16
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OldBuzzard
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Posted August 12, 2011 - 08:32 PM
Many, many moons ago, I owned a 1946 Cessna 140. Cessna specified 40wt oil for it. It had a 90HP Continental 4 cyl air cooled engine.
I'd think that 40wt would not be out of line for our older air cooled engines. I'd certainly go no lower than 30wt.
- Ranchkingron said thank you
#17
Guest_jdecker94_*
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Posted August 13, 2011 - 08:15 PM
well i hate to say it but im gonna rebuild. ONLY because a person called me about my gravely 450 commercial and he mentioned he had 12 horse kohler pistons with the same bore. o and he has rings and we are gonna work out a trade. NOS kohler parts!!! then ill get a gasket kit. and run 30wt in it.
