The side of Tomac's Cylinder Head

Moto75
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Moto75
Edited Date/Time 6/6/2016 1:15pm


Anybody know what's on the side? Sorry if it's already been brought up, not on here too much.
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RJMX834
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RJMX834 6/6/2016 7:52am
6/6/2016 7:52am
Moto75 wrote:
[img]https://p.vitalmx.com/photos/forums/2016/06/06/138107/s1200_full_060516thundervalleyracing0844_883977.jpg[/img] Anybody know what's on the side? Sorry if it's already been brought up, not on here too much.


Anybody know what's on the side? Sorry if it's already been brought up, not on here too much.
I want to say it's an oil cooler. But I'm not 100% on that.
Tpog496
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Tpog496 6/6/2016 7:53am
6/6/2016 7:53am
RJMX834 wrote:
I want to say it's an oil cooler. But I'm not 100% on that.
Nice holeshot!
GuyB
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GuyB 6/6/2016 8:00am
6/6/2016 8:00am
Flux capacitor. Watch out if Eli ever hits 88 mph.

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EEE299
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EEE299 6/6/2016 8:02am
6/6/2016 8:02am
Anti-shoulder implosion device
RandyS
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RandyS 6/6/2016 8:02am
6/6/2016 8:02am
GuyB wrote:
Flux capacitor. Watch out if Eli ever hits 88 mph.
We knows what happens at 88 mph, we saw it last year at Colorado. Hopefully he stays at 87.
MOgle80
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MOgle80 6/6/2016 8:14am
6/6/2016 8:14am
I'm also under the impression that's an oil cooler. Other Kawasakis had that , at the first race.

kzizok
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kzizok 6/6/2016 8:47am
6/6/2016 8:47am Edited Date/Time 6/6/2016 8:47am


Courtesy of MXA
Xeno
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Xeno 6/6/2016 9:34am
6/6/2016 9:34am
Ask an honest question, get 10 smarty-pants responses (like this one):



Andy_Greenney 6/6/2016 11:07am
6/6/2016 11:07am
Seems a strange way to mount it, most I have seen are double mounted behind the radiator.
FlickitFlat
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FlickitFlat 6/6/2016 11:29am
6/6/2016 11:29am
I think that is the most ghetto mod I have ever seen on a factory bike.
Zycki11
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Zycki11 6/6/2016 11:41am
6/6/2016 11:41am
I may be alone here, but to me it seems like the Kawi's are slow and constantly in the upper rpm range compared to the other bikes.

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mx_phreek
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mx_phreek 6/6/2016 12:57pm
6/6/2016 12:57pm
Seems kind of counter productive to bolt a oil cooler to the hottest part of the bike, but if they are struggling for room...
Forty
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Forty 6/6/2016 1:15pm
6/6/2016 1:15pm
mx_phreek wrote:
Seems kind of counter productive to bolt a oil cooler to the hottest part of the bike, but if they are struggling for room...
If the test data is positive and supports the position it's good, but I see your point.

Not sure how there can be a noticeable difference in temp.

MxKing809
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MxKing809 6/6/2016 2:56pm
6/6/2016 2:56pm
I second the ghetto mod assessment..... Looks like something a local guy put together. Did I see ziptys holding the screen on?
BobPA
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BobPA 6/6/2016 3:00pm
6/6/2016 3:00pm
Moto75 wrote:
[img]https://p.vitalmx.com/photos/forums/2016/06/06/138107/s1200_full_060516thundervalleyracing0844_883977.jpg[/img] Anybody know what's on the side? Sorry if it's already been brought up, not on here too much.


Anybody know what's on the side? Sorry if it's already been brought up, not on here too much.
I agree, it looks absolutely terrible. But fuction over style always prevails
MOgle80
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MOgle80 6/6/2016 3:02pm
6/6/2016 3:02pm Edited Date/Time 6/6/2016 3:37pm
What if......they're separating systems so her valvetrane lives on , never susceptible to large debris? Only run this coolant-lube up in the top end by cam....old hat...
EZ st thing in the 1 cylinder
Katoomey
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Katoomey 6/6/2016 3:06pm
6/6/2016 3:06pm
Andy_Greenney wrote:
Seems a strange way to mount it, most I have seen are double mounted behind the radiator.
Factory teams and the after market have been putting oil coolers in that location forever.
TMV
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TMV 6/6/2016 3:07pm
6/6/2016 3:07pm
mx_phreek wrote:
Seems kind of counter productive to bolt a oil cooler to the hottest part of the bike, but if they are struggling for room...
And why put a grid over it, it's an oil cooler, let air flows...
Andy_Greenney 6/6/2016 3:11pm
6/6/2016 3:11pm
Andy_Greenney wrote:
Seems a strange way to mount it, most I have seen are double mounted behind the radiator.
Katoomey wrote:
Factory teams and the after market have been putting oil coolers in that location forever.
The location I mentioned? Surely thats the logical location, air flow and all that.
Katoomey
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Katoomey 6/6/2016 3:15pm
6/6/2016 3:15pm
Andy_Greenney wrote:
The location I mentioned? Surely thats the logical location, air flow and all that.
Because it restricts airflow. Giving your secondary cooling solution precedence over your primary cooling solution is certainly not logical.
Andy_Greenney 6/6/2016 3:19pm
6/6/2016 3:19pm
Katoomey wrote:
Because it restricts airflow. Giving your secondary cooling solution precedence over your primary cooling solution is certainly not logical.
Fair point, I'm sure it was kawi that made a radiator unit with a separate oil cooler section built onto the bottom at some time.
Katoomey
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Katoomey 6/6/2016 3:19pm
6/6/2016 3:19pm Edited Date/Time 6/6/2016 3:20pm
mx_phreek wrote:
Seems kind of counter productive to bolt a oil cooler to the hottest part of the bike, but if they are struggling for room...
The material/thickness/surface area of an oil cooler is a hundred times more capable of conduction/radiation then that of engine castings.
plowboy
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plowboy 6/6/2016 3:23pm
6/6/2016 3:23pm
I would think they'd benefit more from a fuel cooler in Colorado. A small box with coiled tubing, packed with dry ice. Same principle as an ice chest with many tubing coils, packed with ice, and a hose/nozzle on the out side. Eliminates the need to constantly add ice to the keg barrel. Just thinking back to the fuel boiling issues in the earlier days of Thunder Valley.

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