FlatoutBu
Pro
Posts: 1054
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posted June 03, 2006 11:49 AM
Airbox mod?
I pulled the bike apart the other night to take the air filter out and got curious. I pullled the tank and took the plates off the top of the airbox. There is awhole lot of space in there and from the way it looked "to me anyways" was the air had to travel into the airbox off the back wall and into the stacks then into the motor. Now i'm not saying this helped...but i rounded a piece of thick plastic and rolled it aound the back of the airbox and sealed around it. It looks to be like a smother shot of air into the stacks. I burnt my clutch lastnight so i couldnt tell you if it helped or not...i guess only expensive dyno time will tell.
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06 Blue 14
9.008 at 153mph @ 195 suited
  
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D
Needs a job
Posts: 3365
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posted June 03, 2006 02:01 PM
I wouldn't think that reduced (pressurized or not) airbox volume would help much and that plastic will distribute the air within the airbox differently as well - just a thought.
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smokinZX14
Needs a life
Posts: 10197
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posted June 03, 2006 02:09 PM
Burnt your clutch??? please tell us more......
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Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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rond
Parking Attendant
Posts: 13
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posted June 04, 2006 05:54 AM
Gas dynamics and airplanes have taught me that in order to recover pressure by ram air you need to turn the velocity(speed) of the gas into pressure by slowing it down. That said, the plenum area should be large so the gas can slow, thereby creating the desirable pressure. And the maximum pressure available is speed dependent. I'll have to look it up but from memory it's about 1 psi @ 180 mph.
Just got my black one and as soon as I look in the plenum , I'll post my thoughts.
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FlatoutBu
Pro
Posts: 1054
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posted June 04, 2006 08:31 AM
I wouldn't say it reduced the size of the airbox awole lot...just made a straighter shot for the air to go into. I have never done a airbox mod on a bike before so i may have totally screwed it up..but i'm all up for trying.
Yea i burnt the clutch...had about 30 passes on it. I'm just guessing crappy oil, 10 grand launches and 240 pounds of me didnt help..but i got a new one on the way, hopefully it will be in Tuesday so i can run points Wednesday night.
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06 Blue 14
9.008 at 153mph @ 195 suited
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aughtsix
Expert Class
Posts: 277
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posted June 04, 2006 08:48 AM
Sounds to me like you've just eliminated the diffusion area...
~~~ Why in the world do people painstakingly compare and decide which bike to buy -- only to take the thing home, take the thing apart and frustrate the carefully balanced design of teams of professional engineers thinking that they, in their garage, have better answers... ~~~
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kawasaki_rick
Zone Head
Posts: 512
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posted June 04, 2006 10:13 AM
clutch problems?
Any1 else having clutch problems? Im about 2 buy a zx14 (only bcuz i cant keep a clutch in my 12) But if a 14 clutch is weak also im gonna hold off. Any info would be greatly appreciated. Good or bad lets hear it.
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swft
Needs a life
Full throttle!
Posts: One MEEEEEELLION
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posted June 04, 2006 10:35 AM
Dude, did you read any of the magazine reviews? They flogged the bikes down the strip for three days straight with no clutch probs. Any clutch probs are prolly due to OE.
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reynoldss
Expert Class
Posts: 207
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posted June 04, 2006 01:02 PM
None here and I've done a bunch of 8 grand launches. Damn it's fun!
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Everybodys tyring to go green, I did years ago.
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VPN
Zone Head
Posts: 718
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posted June 04, 2006 05:45 PM
quote:
Dude, did you read any of the magazine reviews? They flogged the bikes down the strip for three days straight with no clutch probs. Any clutch probs are prolly due to OE.
My guess is: it's a bad clutch => warranty repair
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blitzkrieg
Needs a job
Road kill = Free lunch.
Posts: 2044
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posted June 04, 2006 07:19 PM
Everything I've read says the 14 likes to be launched at 4K.
Why pray tell are you launching at 10K? You gotta be doing a boatload of cluch slipping at that RPM to keep from flipping over backwards....
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"BTW....You need to get a girlfriend who's last name isn't .jpg"
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serius blk
Zone Head
Posts: 543
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posted June 04, 2006 07:24 PM
yea I dont know about 10k myself. Ive been launching at 4500. I sure hope I dont have clutch problems like some of you other guys. Brock has more passes on his than 30 and his is still working ok. I think it depends on the rider.
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TheVak
Expert Class
Posts: 274
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posted June 04, 2006 07:46 PM
10,000 RPM launch hell yeah it's burnt lol. Didn't you see the video of Ricky
leaving at about 4500 RPMs and did a 9.17@153Mph so you need to re think
burning your clutch that much. I know it wants to wheelie and with no extended
swing arm that might be why you feel you have to burn the clutch that bad on a
launch...........................................
The vak
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Flatoutbu
Pro
Posts: 1054
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posted June 06, 2006 09:41 AM
I tried varing my launches....5 grand 8 and 10. I was getting the best 60's at 10. Ricky gadson isn't 240 pounds in riding gear either. I tried just using torque to get out of the hole but got that damn 5000RPM bog. I read the report from Brock and he said he couldnt get the clutch out till the middle of 2nd...i could barely get mine out at the end of first. I think the crap oil had alot to do with it too...steels were fine but fibers were gummy and wore. Oil come out looking like water. Bought some full synthetic Kaw Tech 9.00$ a quart, new filter, and clutch,hopefully it will be in tonight..i'll let you guys know how it does tomorrow.
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06 Blue 14
9.008 at 153mph @ 195 suited
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