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Reply to "oil temp."

My experience is similar. Up to about 125mph, oil temps stay with water temps- around 200-210 is "normal".. Above that speed, oil temps start to climb. Do yourself a favor and forget about any type of air-to-oil coolers. Many of us have tried them, and unless you mount a really big unit in the nose of the car, they do not cool enough to justify hauling them around. On ar acing Prsche, for instance, the air-to-oil cooler is 3-1/2 ft long, about 4" thick & a foot high. And even then, you'd need a bigger oil pump which creates drive-gear problems on the distributor, and about 30 feet of vulnerable dash-8 or larger oil lines running back & forth.
There are 3 useable water-to-oil heat exchangers: Fluidyne Therm-HX (3 sizes), Areoquip FBM 2194 or FBM 2196, and Setrab of Sweden makes one. Pantera racers Dennis Antenucci has successfully used the Fluidyne, as has Gregg Sullivan, in various Silver State event\s where oil temps can exceed 300F. I'm told the Aereoquip is successfully used by Dennis Quella on his plastic-Pantera road-racer. I know no one in the U.S. who runs the Setrab. As for the little water-cooled unit that sits below a 5.0L Mustang oil filter & is plumbed into the heater hoses, its far too small to affect oil temps much, IMHO. All the big water cooled units mount right next to the engine, and drop oil temps by 25 degrees while raising water temps by only 2 or three degrees, by actual use. In addition, the Aeroquip disassembles for cleaning while the others are one piece.
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