oil cooler without thermostat
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Cruiser
Joined: Oct 2012
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oil cooler without thermostat
my 08 FXDB has two ports in the front of the oil filter mount for fittings to run an oil cooler. i have an oil cooler with no thermostat.
since in live in LA and i rarely ever ride in sub 50's temps, im considering just running it full time.
anyone ever run it like this? thoughts?
since in live in LA and i rarely ever ride in sub 50's temps, im considering just running it full time.
anyone ever run it like this? thoughts?
Grand HDF Member
Joined: Apr 2010
Posts: 3,589
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From: Brandon,Fl
I'm in central Fl. and run a Jagg 10-row cooler without a thermostat on my FLHR. You're like me, as soon as the bike idles for a minute on the driveway, you're already at 180* or so. Go for it....
Stellar HDF Member
Joined: Jan 2013
Posts: 2,464
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From: Rouses Point, N.Y.
I have been running a jagg 10 row with out a thermostat up here in northern new york for two years now. i haven't had any concerns and ride in weather in the forty's
Last edited by target64; Jun 2, 2015 at 06:25 PM.
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From: Clarksburg, PA
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Outstanding HDF Member
Joined: Dec 2012
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From: Texas
I still want a temp gauge of some kind, though.
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Extreme HDF Member
Joined: Dec 2007
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From: Illinois
rustang: If it is a HD cooler the thermostat is in the adapter just behind the filter.
The cooler HD sells for Sportsters just routes the oil from the pump to the cooler and back into the filter. The ones for the Dyna, Softails and earlier Touring all have 185 degree thermostats in the adapter housing that the filter spins onto. It is a waste of time to remove it if even possible. In the high temp areas it will open soon and stay there. The oil will always be moving until the engine is shut off and cools down.
I ride year long. Last winter when the temps were in the 20's the Sportster mpg's dropped. Just covered the cooler and it went back to normal mpg's. The oil was too cool and the ECM kept the enrichment on thinking the engine was not warmed up.
Never had any issues from the forties up.
The thermostat models are great in the winter to get the engine up to operating temperature sooner and keep it there.
I have installed over 6 oil coolers on my HD's that did not come standard with them. Was an easy straight forward job. Less than two hours.
The cooler HD sells for Sportsters just routes the oil from the pump to the cooler and back into the filter. The ones for the Dyna, Softails and earlier Touring all have 185 degree thermostats in the adapter housing that the filter spins onto. It is a waste of time to remove it if even possible. In the high temp areas it will open soon and stay there. The oil will always be moving until the engine is shut off and cools down.
I ride year long. Last winter when the temps were in the 20's the Sportster mpg's dropped. Just covered the cooler and it went back to normal mpg's. The oil was too cool and the ECM kept the enrichment on thinking the engine was not warmed up.
Never had any issues from the forties up.
The thermostat models are great in the winter to get the engine up to operating temperature sooner and keep it there.
I have installed over 6 oil coolers on my HD's that did not come standard with them. Was an easy straight forward job. Less than two hours.
Last edited by lh4x4; Jun 2, 2015 at 10:29 PM.
Ultimate HDF Member
Joined: Apr 2008
Posts: 5,384
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From: Out on Deranged
To answer your question as plainly as possible, there is absoloutly nothing wrong with leaving the thermostat out of the equation. Yours does not have one....good!
However what QC wrote is right and those holes are not to be used. you need the adapter to make the cooler and filter both work.
However what QC wrote is right and those holes are not to be used. you need the adapter to make the cooler and filter both work.
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