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#1
01-29-2006, 12:00 AM
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air box mods
i've heard of a very simple mod were the airbox flap that is controlled much like an EXUP valve is removed allowing more in in at low revs increasing throttle response.
anyone heard of this? anyone have any experience similar. it apparantly gains about 5% down low.
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#2
01-29-2006, 11:10 AM
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Re: air box mods
My bike is old and stuff, but it was "breathing" through a hole about 1.5" in diameter... I removed the whole top of the airbox, fabricated some brackets to hold the air filter in, and it breathes much better now. As for your new-found mod, I haven't heard of anything like that before, but who knows?
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Like a boy - but BETTER! 2005 Subaru Forester 2.5X 1997 Honda Civic EX Coupe Inform yourself: AF User Guidelines
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#3
01-29-2006, 02:52 PM
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Re: air box mods
Hey Aussie, if you don't mind joining new boards, try http://sbw.sportbikes.com, there's wealth of information there, and sportbike riders only.
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I'm the greatest!
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#5
01-29-2006, 07:40 PM
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Re: air box mods
lol, you don't have to own a bike at the moment, all you need is the enthusiasm and will to learn the sport. granted that you get the bike later ;p.
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I'm the greatest!
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#6
01-29-2006, 10:30 PM
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Re: air box mods
Yea air box mods are becomming quite popular as a way to free up some lowerend torque, most airboxes (especially kawi's if i remember right) are very restrictive to airflow. I'm not sure exactly why they do it, but possible vehicle regulations pops into my head.
I would go to a forum dedicated to your type of motorcycle and ask there if anybody has done it, and what type of tools you need to complete the job. ps. no I haven't done it to mine either, but it is on the to-do list
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......or if your a loser who drives a Civic with a type R sticker, racing stripes, blasting really bad rap music through your suburban area with your pretentious "I’m 21 but I’m still in high school girlfriend" while driving with your hand up on the top of the steering wheel exposing your underdeveloped pasty white vitamin deficient arm and wearing your backwards BS upside down visor hat while feeling the tacky as a "Florida vacation" single diamond earring in your ear, If you are this person...with any luck the sun in its precise celestial positioning as you putter on by...will reflect its scorching rays into your earring, bouncing intensely in your rearview, and finally making contact with your eyes through the thin cheap lense of $5 gas station Oakley rip off glasses.. then burning your retnal cones into smoldering melting gobs of ocular material as you are blinded by the purest form of energy in our known universe, and as you scream no one can help or hear you because they don’t know what’s going on since the weed whacker sound of your shitty tiny little muffler which makes the Civic sound like a 747 rages on underneath making everyone turn at disgust and comment to thier husbands or wives how much of a dickweed you are by attaching that automotive abnormality to your stock economical daily driver engineered by Japanese Automotive specialists to fit the needs for entry level business workers in their early 30's, however your pathetic looking $11,000 car which you want to look like a friggin spaceship with redundant ground effects is now out of control since you are blinded, and as your car plunges off the side of a cliff while you scream in the purest form of terror while knowing you have lived a horrid excuse for a life, by doing the bare minimum in every facet of existence, while getting fired from one pathetic job to another, the majority of your time spent slacking smoking dope, getting kicked out of school, polishing your "game" on sweet innocent underage girls you eventually 'de flower' through exhaustive yet succesful attempts to get the date rapist drugs you have stashed in the glove compartment, into your poor victims drinks while offering them to take the "Pepsi Challenge" while making your mother hate you, and your poor father who wishes he had a daughter instead of your pathetic ass, since a girl would be more of a man than you ever were, like the occasion when you were hit in the arm by a wild pitch in little league, then you cried like a fat kid who dropped his ice cream cone, I'm already envisioning you impacting the rocks below, in a spectacular fireball ignited from the residue hairspray from your girlfriend plastered in the fabric passenger seat, blinded by your earring, deafened by the loud "Bling Blingin", and I will smile and roll around on the ground in orgasmic delight while you are consumed by flames whose intense heat and fury will liquefy your bone marrow that I will use to make jelly beans out of and eat them happily at your funeral as midgets dressed like Alex 6005321 from "A Clockwork Orange" dance around your coffin to loud industrial style techno music and strobe lights, and I will sleep soundly at night knowing another successful conquest of Darwinism has been attained.
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#7
01-30-2006, 02:41 AM
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Re: air box mods
i got the idea from www.rrzone.com which is all blades from all years and has guys from the US mostly but alot from all over the globe.
from what these guys said (i wasn't an active member of the thread as i didn't know anything on the subject and stood back and let others ask away) it is more of a track day/racer modification. as such i still can't see a big benefit for them as the rev range affected by the mod is lower than their average rev range. my mechanic said he hasn't seen it but he still racers carby'd bikes. his take on it was that it would probably also allow more fuel in as the oxygen sensor would read the extra flow of air, hence the extra power output at low revs. as the revs get higher the air box would be open anyway so no change. main problem would be excessive fuel consumption only other problem would be emission control. if you get picked by for a sniff test, you'd fail very nicely  hmmm need more info before i really stuff my bike. Mr Honda doesn't do stuff for no reason.......
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#8
01-30-2006, 06:13 PM
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Re: air box mods
I don't know about the regs in Oz, but bikes are so damn fuel-efficient I wouldn't think that a change in airbox ALONE would cause it to drastically fail an emissions test... but then again, who knows?
__________________
Like a boy - but BETTER! 2005 Subaru Forester 2.5X 1997 Honda Civic EX Coupe Inform yourself: AF User Guidelines
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#9
01-30-2006, 11:23 PM
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Re: air box mods
I think bikes are getting even with cars when it comes to fuel efficiency, sure sportbikes are more efficient than sports car, but take a corolla or one of the hybrids, and the only ones that can come up to mpg are 600s (corolla/civic) or ninja 250 (hybrids). All else, especially big bores, get anywhere from 20-34 mpg average tops. Plus bikes have smaller fuel tank capacity. When I started riding, I figure I was going to get 80+ mpg at least out of 600. I typically get 40 mpg on average, 45-48 if really conservative, and less than 40 on spirited low gears riding.
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I'm the greatest!
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#10
01-31-2006, 06:16 PM
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Re: air box mods
I get damn near 50mpg even... sometimes better if I'm stuck doing a lot of highway riding or the like... I have added just about everything performance-wise that you can short of a HIGHLY modified intake and other induction methods. Now, granted, my bike is still tame, but 50mpg is not bad at all.
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Like a boy - but BETTER! 2005 Subaru Forester 2.5X 1997 Honda Civic EX Coupe Inform yourself: AF User Guidelines
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#11
02-01-2006, 01:08 AM
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Re: air box mods
as for our polution control, we are quite strict but not as bad as california.
when they test the bike, the rev range has the airbox closed and therefore is running "lean" (for want of a better word). if the box is open and its running relatively "rich" then the sniff test will fail. especially with an air cleaner/exhaust mod. this is how it was described to me. i'm keen to do it but have had some problems with fuel mixtures and foulage of plugs due to not reving hard enough. not keen on more problems
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