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Two oil coolers


Registered User
I have a 1957 pa 18 super cub and it appears to have 2 oil coolers. One is in front just under the prop spinner and one is behind cowling on the right side that gets air through the bottom of the air induction hole. Has anyone ever seen this type of setup?
Yes we use this for bannertowing.not seen one behind cowling normal behind left rear cyc.
How much cooler does the engine run with 2 oil coolers? Would it make much difference if I got rid of one?
The front one is just fine,get rid of other one. they run to cool with two unless you are towing .if you live in a hot place leave it on won't hurt.