Mike Pardon my butting in with an experience when you question ws posited to Asa. With my oil/coolant heat exchanger, the oil temp eventually matches the coolant temp on highway drives. Unfortunately, that is closer to 190 degrees. I believe that Rousch did testing on optimum oil temps and horsepower creation. The magic number I recall John Christian sharing was 220 degrees, not 230. The other advantage to a heat exchanger is that when starting a cold engine the coolant helps raise oil temps quicker. JT ---- Mike Drew via DeTomaso <detomaso@server.detomasolist.com> wrote: ============= AJ, Since you had instrumentation, what were your temps when driving at freeway speeds? Mike Sent from my iPhone On Jun 11, 2016, at 13:18, Asa Jay Laughton <asajay@asajay.com> wrote:
Talking with another open road racer a few years ago about this topic, I was told you want about 230 degrees F and nothing near 290. That's a nearly 60 degree difference. But the way he gave me the information makes me think you want to make sure you stay down around 230. People smarter than me will know a lot more than me. I also run Amsoil full synthetic and there is a temp for viscocity breakdown but I don't have the spec in front of me.
For open road racing, depnding on the engine build and speed, a racer will definitely want an oil cooler. Last year I ran the 120 class and spent a good amount of time near 130. My oil temp ran right around 230, so I knew if I wanted to move up to the 130-140 class, I'd need to add an oil cooler.
Your mileage may vary, Asa Jay
Quoting Jack Donahue <demongusta@gmail.com>:
Once again, as summer approaches, cooling becomes an issue and topic of some discussion. Rather than beating the radiator, water pump, thermostat, and pressure cap horses to death, I thought I would pursue the oil temperature. So, all you gurus, what is the normal range of an oil temperature in these beautiful beasts? My next little project (get in line) is to install an oil temp gauge. Waste of time? I guess I need some feedback. All input is appreciated. #4348 _______________________________________________
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-- Asa Jay Laughton - sent from somewhere other than home ****************************************************** http://www.w7tsc.org http://www.teampanteraracing.com
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