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Gerald1961 · 09-05-2018, 05:53 AM

I measured the temperature differences several times to see the influence of ambient temperatures. Adding 10F to ambient seems not to add 10F to coolant but less, even theoretically this should be so. After normal ride @ 45mph back in the box I measure a difference between inlet and outlet of radiator of ca. 65F, all measured at the ribs from outside. Top of radiator temperature mostly is 186F, cylinder head close to spark plugs goes up to 205 F under these conditions. Most interesting is the fact that the radiator area covered by the license plate remains totally cool, almost ambient. Seems to be an effect of coolant flow directed by the baffle. Somewhere I also have some pictures from the radiator with a high res- thermocam. If i find them, I will post them also.
Hope that helps
Gerald

09-05-2018, 05:53 AM	#4
Gerald1961 Member Join Date: Dec 2013 Location: Germany Posts: 59	Re: Temp diff across Radiator I measured the temperature differences several times to see the influence of ambient temperatures. Adding 10F to ambient seems not to add 10F to coolant but less, even theoretically this should be so. After normal ride @ 45mph back in the box I measure a difference between inlet and outlet of radiator of ca. 65F, all measured at the ribs from outside. Top of radiator temperature mostly is 186F, cylinder head close to spark plugs goes up to 205 F under these conditions. Most interesting is the fact that the radiator area covered by the license plate remains totally cool, almost ambient. Seems to be an effect of coolant flow directed by the baffle. Somewhere I also have some pictures from the radiator with a high res- thermocam. If i find them, I will post them also. Hope that helps Gerald Last edited by Gerald1961; 09-05-2018 at 06:01 AM.