polomouth
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| posted on 20/5/09 at 07:03 PM |
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air filter on indyblade
thinking off changing air filter on my fireblade 919cc 96 model. Oppions would be great please. what type of filter would be best suited also what
kind of sound diffrence can i expect from a performance one to that of the standard air box? Also thinking of having it re jetted at some point.
Anybody no of any places i could have all this set up and rolling roaded. I live near coventry but willing to travel to get a good service. Thanks for
any help.
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Hellfire
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| posted on 20/5/09 at 07:08 PM |
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Keep the airbox.
Phil
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roadrunner
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| posted on 20/5/09 at 07:28 PM |
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I changed from filter to standard air box. The Japaneese spend millions developing these engines, i cant see an eighty quid filter making much
difference.
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fluidslvr
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| posted on 20/5/09 at 07:30 PM |
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TTS @ silverstone for set up
http://www.tts-performance.com
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Hellfire
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| posted on 20/5/09 at 08:11 PM |
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All you're really gonna be doing by fitting a foam filter, is increasing induction noise and possibly reducing BHP.
Phil
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Andy B
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| posted on 20/5/09 at 10:03 PM |
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Having done quite extensive dyno testing with a lot of different set ups on the blade we came to the following conclusions -
Standard airbox with Kand n filter fitted gave best driveability but with lowest outright bhp
Pipercross panel filter gave highest top end figures but really messed up the midrange fuelling
Our own forced induction box was 3hp down on the pipercross on rollers (but we could not simulate any ram air) however it greatly improved midrange
and in back to back tests on circuit the datalogger showed an 8mph improvement in top speed at the end of the back straight at Snetterton. This was
carried out using Alistair Boultons class C Phoenix. Basiclly what we could see happening was him changing up into 3rd 4th 5th and 6th much earlier
allowing him to pull 6 for longer before braking at the end of the straight.
A benefit was also a big reduction in induction noise over the pipercross unit
Basicallly, apart from noise, the biggest problem with the pipercross unit is it flows so much air that if you try and fuel the top end you overfuel
the midrange - a symptom of the lack of adjustability that carbs offer when compared to fuel injection ie needle position or main jet
hope that helps
regards
Andy
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Steve Hignett
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| posted on 20/5/09 at 10:11 PM |
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Also, the above poster (Andy Bates - AB Performance) is prob to polite to come out and say it, but if you are ok to travel from Coventry to Ipswich
(sorry, don't know how far that is!) then there isn't really a better place to set up your car either!!!
quote:
Originally posted by polomouth
thinking off changing air filter on my fireblade 919cc 96 model. Oppions would be great please. what type of filter would be best suited also what
kind of sound diffrence can i expect from a performance one to that of the standard air box? Also thinking of having it re jetted at some point.
Anybody no of any places i could have all this set up and rolling roaded. I live near coventry but willing to travel to get a good service. Thanks for
any help.
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mark chandler
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| posted on 20/5/09 at 11:05 PM |
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I stuck a high flow filter and dynojetted my 893 blade engine, no real improvement but noise, initial throttle response felt to have improved but if
its flatter elsewhere as Andy has described this would have explained it.
I then replaced the carbs with TB's and megasquirted, this made a massive difference, especially mid range torque, it was literally like being
in a lower gear to the one selected.
Easy to speculate, what I can state for a fact is the clutch did not slip with carbs, with injection it did so something had changed requiring heavy
springs to resolve.
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