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I have a 107 on my bike although not from this shop. My question is for those that have it how do you keep it cool? When my oil temp gets around 260 it acts like it wants to die due to low oil pressure. I have a feuling oil pump. Any help would be appreciated. I added an oil bud oil cooler but in parade type traffic it still gets hot.
I live in one of the hottest climates in the country and I seldom see oil temps that exceed 230 degrees. You haven't said what your build is other than it's a 107 ci. I have 107 ci., 10.6:1 comp., heads with 1.94 intakes / 1.63 exhaust, T-Man 590 cam - 246/248 duration, SE ac, D&D Boss exhaust, and EMS ignition controller. I am also using an oil cooler from a Buel Ulysses to which I have added fans. It is probably good for 20 -30 degree drop in oil temp. I have also heard that a cam with long exhaust duration helps cool the engine. The Head-Quarters 575 Fire Brand is one of these that seems to perform well. As far as your oil pressure problem, are you using the Fueling cam plate also? I tried their pump and cam plate and lost pressure at around 210 degrees. I sent it back to them and was told there was nothing wrong with it, so I shimmed the stock cam plate pressure relief spring and I have plenty of oil pressure with the stock oil pump. Another option is to replace the stock spring with one from Baisleys. I don't know if anything I've told you has helped, Harley will tell you 260 degrees is well within limits if you are running synthetic oil.
I'm the Florida guy Jamie spoke of in his post of 8/30. Sure enough, dropped it off 9 AM one day and rode it away the next morning at 10 AM. Breadguy was next (and we did meet each other at the Country Inn). I made it a 2,400 mile return trip back to Tampa - the long way.
Mine is a TriGlide, so I wrote up my experience in the Trike section at:
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