Jagg Coolers installed 09 Ultra
Outstanding HDF Member
Joined: Jan 2010
Posts: 2,916
Likes: 31
From: earth
I looked at it, I should have enough space to move each Oil Cooler outboard by 2 inches. That will put them between the lowers and the frame, just partially in front of the frame rails at the triangle.
The lower part of each Oil Cooler would be in front of the frame, the top part would be to the outboard of the frame. Air would go through the Oil Coolers and straight to the sides of the engine vice to to front of the engine.
Do you think this would fix any issues with Head Blockage?
Is it nessecary?
Does it pose any other issues?
The lower part of each Oil Cooler would be in front of the frame, the top part would be to the outboard of the frame. Air would go through the Oil Coolers and straight to the sides of the engine vice to to front of the engine.
Do you think this would fix any issues with Head Blockage?
Is it nessecary?
Does it pose any other issues?
Stellar HDF Member
Joined: Feb 2010
Posts: 3,121
Likes: 489
From: sunny florida
I'd ride it the way you have it for now , check your temperatures and see , if it isn't working then I'd move them further apart but it may not be necessary
I looked at it, I should have enough space to move each Oil Cooler outboard by 2 inches. That will put them between the lowers and the frame, just partially in front of the frame rails at the triangle.
The lower part of each Oil Cooler would be in front of the frame, the top part would be to the outboard of the frame. Air would go through the Oil Coolers and straight to the sides of the engine vice to to front of the engine.
Do you think this would fix any issues with Head Blockage?
Is it nessecary?
Does it pose any other issues?
The lower part of each Oil Cooler would be in front of the frame, the top part would be to the outboard of the frame. Air would go through the Oil Coolers and straight to the sides of the engine vice to to front of the engine.
Do you think this would fix any issues with Head Blockage?
Is it nessecary?
Does it pose any other issues?
Outstanding HDF Member
Joined: Jan 2010
Posts: 2,916
Likes: 31
From: earth
There is not a predictable proportional relationship between CHTs and oil temp, they change at different rates, and operating variables affect them differently. It's near impossible to make accurate assumptions about CHT based on oil temp, or vice versa. I wouldn't trust a laser thermometer to check CHTs because of emissivisity errors, and operator errors trying to take readings while operating the bike. There might not be an undesirable air cooling effect running it the way it is, but there likely won't be an undesirable air cooling effect by spreading them out and getting the normal air to the motor. Either way it's not going to cause catastrophic failure, but I think impeding airflow to the heads is counterproductive to the goal of this project which is to maximize cooling effort. Again nice project, put a fan on each one, independently wired and you’ll have the only known two stage fan assisted oil cooler, that would be bad *** Gunny.
Outstanding HDF Member
Joined: Jan 2010
Posts: 2,916
Likes: 31
From: earth
Lot of fan choices and info about fan specifications here http://www.sofasco.com/dcaxial.html . lot of other manufacturers once you start searching fans, unfortunately finding a U.S. manufactured fan is pretty tricky.
Thread Starter
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Tourer
Joined: Jan 2010
Posts: 254
Likes: 1
From: Fredericksburg, VA
Ok. Seperated them by 2" out each side.
Will test it a bit and reply with how it is working.
Planning out how I will put fans on them.
Anyone know how to rig a fan to come on at a certain temp vice switch?
Will test it a bit and reply with how it is working.
Planning out how I will put fans on them.
Anyone know how to rig a fan to come on at a certain temp vice switch?
Last edited by PappyUSMC; Jul 16, 2011 at 03:14 PM.
I have a friend that mounted an oil cooler up high and horizontally. When he bottomed out his forks on a HUGE pot hole the oil cooler damaged his fender. You might consider fully compressing your forks and checking for clearance.
Damn nice job, you may be starting a trend
Damn nice job, you may be starting a trend
Outstanding HDF Member
Joined: Jan 2010
Posts: 2,916
Likes: 31
From: earth
http://www.jegs.com/webapp/wcs/stores/servlet/KeywordSearchCmd?storeId=10001&catalogId=10002&lan gId=-1&Ntk=all&Jnar=0&Ne=1%2B2%2B3%2B13%2B1147708&searc hTerm=16749
Its a relay type switch, not cheap and not entirely necessary, but it does provide the flexibility of playing with the fan on temperature and you can change in the cooler riding months. A simple fixed temp thermal switch can work fine also like these at 180F or 190F
http://www.jegs.com/webapp/wcs/stores/servlet/KeywordSearchCmd?storeId=10001&catalogId=10002&lan gId=-1&Ntk=all&Jnar=0&Ne=1%2B2%2B3%2B13%2B1147708&searc hTerm=16730 or
http://www.jegs.com/webapp/wcs/stores/servlet/KeywordSearchCmd?storeId=10001&catalogId=10002&lan gId=-1&Ntk=all&Jnar=0&Ne=1%2B2%2B3%2B13%2B1147708&searc hTerm=16731
If you search the net there are a lot of other simple thermal switches available, cheaper than ones above and you can find about any on temp, just get one that is rated to handle the amperage of the fan/fans you plan to use. Your thinking right, I wouldn't even mess with a manual switch, set it up on a thermostatic switch so you don't have to constantly monitor it, when it gets hot enough the fan comes on and stays on. Some advertising would lead you to believe that the fan cycles on and off during operation while your riding. Doesn't happen that way, been running my system 3 years, while riding I never had the temp come back down low enough to turn the fan off, until I turned the bike of and cooled down. I can really appreciate your project and Im sure you will have superior oil cooling over most. One of my major observations, and this is no way meant to discourage your efforts, I just want to offer you a realistic expectation; my bike still feels hot in traffic, oil temp will be nice and cool about 215F, but my CHTs will still climb very rapidly, peaking over 340F within 3-5 min stopped or creeping. Up to this point I have not been able to cool the oil enough to influence head cooling, but if you go forward with the dual coolers with fans, you might be able to pull it off.
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