Oil Foaming
I have a 914 with a big bore kit and an intercooler. I am having problems with excessive blow-by in the oil bypass that leaves a mess of oil all over the tail of the aircraft every time I fly.
Looking at the output line there is always foamy oil present after we fly.
I have a 915 oil can with dual return lines to the can from the engine and oversized oil lines in place to allow more volume and reduce the foaming at the tank..
I run sport 4 and change the oil every 50 hours burning 100 LL as there is no ethanol free gas available where I am at.
Oil pressures are consistent in the 45 to 50 PSI range.
Has anyone tried the anti-foaming oil additives to see if it helps? Will they hurt the engine?
Thanks in advance for the comments and input.