Roger Lee Posted June 5, 2012 Report Share Posted June 5, 2012 I mounted a new 912ULS on a CT. During the first two flight the oil temps were 235F-245F. What's wrong????? Well I took the rubber skirt down under the radiator that was aimed back towards the engine and pulled it forward still in the cowl, but facing forward. The result was oil temps 20F cooler. Evidently the rearward facing rubber skirt allowed too much air to pass by where the forward scooping action of the skirt put more air across the radiator and not around it. Will this theory or idea hold up for other high oil temp owners? I don't know, but it's worth a try. It certainly worked for this engine. Link to comment Share on other sites More sharing options...
mocfly Posted June 5, 2012 Report Share Posted June 5, 2012 Picture? Link to comment Share on other sites More sharing options...
bitten192 Posted June 5, 2012 Report Share Posted June 5, 2012 LOA? Link to comment Share on other sites More sharing options...
Roger Lee Posted June 6, 2012 Author Report Share Posted June 6, 2012 Hi Ernie, You don't need an LOA. The rubber skirt on the bottom of the coolant radiator is already there. Just pull it facing forward instead of letting it flop backward. You won't need a picture just reach in under the radiator and make sure the rubber skirt is pulled forward and not laying backward and letting the air escape around it. Link to comment Share on other sites More sharing options...
Brucegoose Posted June 8, 2012 Report Share Posted June 8, 2012 Hi there Roger, I always paid particular attention to this rubber flap and always made sure it was facing forward under the lip, but still always had the overheating problem in summer. Kind Regards Bruce Link to comment Share on other sites More sharing options...
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