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I hooked up my front oil cooler, the aviation one that was causing a restriction in the system and leakage past the oil filter seal, in parallel today with the standard Mazda stock radiator. I cranked her up and the oil flowed and heated all
parts of the system and after only one snugging of a fixture, no leaks. Temps still were about the same. I took the engine to full power. It does not like full power on the ramp. The temps raise really quickly and even after 60 seconds, I am at limits I
am uncomfortable with. I can have it sit at idle for over an hour with no problem. I have fans mounted, but they do not seem to help much at high RPM's. The weather was quite cool for Houston at about 70 degrees today.
On a related note. As I have mentioned I am getting just over 6000 rpm at full throttle when I enrich the mixture. HOWEVER, once at full throttle the rpm is dropping off a few hundred rpm....maybe down to 5400 rpm.
If I throttle back and go back to WOT it can get to just about 6000 again....maybe not quite 6000. I can't play with it too long like this as the temps raise so quickly.
Is this something obvious that I can check? Thoughts????
Thanks again.
All the best,
Chris Barber
Houston
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