New Drag and Land Speed Sumps - Kawasaki Ninja H2 Forum
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post #1 of 20 Old 06-18-2019, 06:05 AM Thread Starter
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New Drag and Land Speed Sumps

This is a new low profile sump from Extreme Creations for H2 holds 1.1 litres more oil than standed there is second type that has a flat bottom it holds .5 litres more than standard also has complete new oil pickup that moves the intake away from the front of the engine by approximately 50mm or 2" will have some more photos as installing mine this friday
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post #2 of 20 Old 06-18-2019, 12:14 PM
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Can't find it on their website, as usual. The search function is crap on their site.
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post #3 of 20 Old 06-18-2019, 10:20 PM
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My bike is lowered 1” and after banging the pan on a speed bump I bought a new one from Kawasaki and it didn’t last long before I hit it again. Would love to see one that didn’t hang down so far.
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post #4 of 20 Old 06-19-2019, 03:30 AM Thread Starter
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Not on there web site yet ,one in the photos was only completed last Saturday afternoon 15/06/2019 that is the first one of that type, there is a lower sump as well best thing for you to do would be to email Extreme Creations as they have quiet a few ordered already.
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post #5 of 20 Old 06-19-2019, 04:20 AM
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At the risk of sounding thicker than I am, what performance or running benefits would that amount of extra oil give?
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post #6 of 20 Old 06-19-2019, 04:45 AM
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More oil = cooler running temperature
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post #7 of 20 Old 06-19-2019, 05:11 AM Thread Starter
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A good quote from (Ben Shaw) LSR & drag racing guys often need more oil because of oil starvation problems due to sustained high rpm running or high acceleration forces that drag the oil away from the pickup , also more oil has more chance to cool so it doesn't work as hard in the engine.
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post #8 of 20 Old 06-19-2019, 05:46 PM
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Was loosing oil pressure on my LSR busa on sustained high speed runs , bit extra oil capacity like Ben has done here helped both maintain pressure from the extra capacity and greater separation of oil from crank reduced windage
i think this is a great idea for the H2 ,increased baffeling and esp with 2 options on lower section,short pan opens up the potential for a sidewinder exhaust to lower the bike even more for the serious drag racer
or the deep pan for capacity .
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post #9 of 20 Old 06-19-2019, 09:15 PM
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Thermal energy is what you are trying to remove. Once the oil is up to temperature you need to remove the heat. You have to size the oil cooler to accept the extra flow of a bigger oil pump to have long term advantage. It's like just putting in a bigger battery that holds more charge, once its up to the limit it stays there unless you can get rid of it. If it is a smaller sump surface from which heat can radiate then it can make the problem worse. Unless the other parts oil system are modified then there may be problems. The oil pump bypasses at high rpm, return oil needs to get back to the sump quickly, there have been other Kawasaki big engines that have been modified to do this.



To be effective the oil pump needs to have the same percentage of increased flow as the increased oil capacity and if the surface area of the sump has been decreased then the oil cooler has to be re-sized to take the extra oil volume per minute as well as the lost surface area of the sump. Oil starvation has often been traced to lack of sufficient drainage from the cam and gearbox area.



Drag racing has it's own issues like oil moving away from the pickup, oil pooling in the rear of the cams and gearbox. Flooding the sump is a fix but can suck hp. Somewhere where the oil is pooling under high 'g's' is sucking hp (gearbox) so more oil can make it worse, you must make an efficient return path.



The only benefit to the average guy would be the contaminants are more diluted.
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post #10 of 20 Old 06-20-2019, 01:29 AM
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This is it. Didn't think it was as simple as more oil=lower temps.One of those upgrades that sound good in theory but theres a knock on effect. Good answer.
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