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For all you Oil Phd's. What is the best oil for running your bike cooler. I change my oil every 2500 to 3000 miles so I dont worry about break down but would like to get opinions on the coolest running oil.
Thanks
Some will tell you to use Brand "X" and you'll need a parka the engine will run so cool. lol
I've used dino & most of the big-name (and big $) synthetics and can't tell a bit of difference in engine temps.
Top 3 synthetics not necessarily in order are Mobil 1, Amsoil, Red Line. IMHO any of the 3 are fine. Even if they don't lower temps they are far superior at high temps.
I use AMSoil, but don't think it makes a significant difference to heat levels. It's doubtful you would see any notable variance between any of the brands because they all meet the same basic lubrication requirements. The main difference for me is the life of the oils viscosity. Any of the synthetics test well enough for the average engine.
I don't think any oil is going to be cooler on your engine, then any other. The synthetics have a higher breakdown temp, thus will last longer the hotter your engine gets. If you want cooler oil, get an oil cooler.
Not that I am an expert, but I did stay in a Holiday Inn Express.
Any synthetic and most fossil oils will provide adequate lubrication; especially, if you are changeing at 3,000 mi. To reduce heat in a V-Twin you need to provide a lot of air and reduce any carbon buildup. Mobile 1, Redline, Amsoil, provide detergents that remove carbon. Also, adding a good fuel booster with a cleaner will take carbon from top of pistons and valves.
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