Kram
Expert Class
Posts: 404
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posted October 30, 2006 07:24 AM
 Edited By: Kram on 30 Oct 2006 07:25
Akra and BMC Race Air Filters
I've a '01 12 with an Akra Evo running K&N air filters, no PCIII. It runs fine now. My BB brain seems to think if anything it'd be running lean since it has better air flow. I've just ordered BMC race air filters. If the BMC filters breathe better than K&Ns, wouldn't it be running even leaner? I've been told without a PC it'd run rich, which doesn't sound right to me.
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Not just a great barbarian, the greatest barbarian, bar none.
  
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rac4it
Needs a job
Bergie
Posts: 3009
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posted October 30, 2006 01:54 PM
You don't need a powercommander with those mods. Save your money.
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supra5677
Pro
Posts: 1279
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posted October 30, 2006 06:43 PM
the stock map I believe is richer than the map with the pc3r and akra.. Akrapovic and BMC race is a good set up Im running the same thing with a few other things.. I would skip the power commander myself,..
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CrotchRocket
Moderator
Bracket Racing with Betsy
Posts: 8038
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posted October 30, 2006 07:34 PM
No PC here either on my 2002 12 with Akrapovic stainless race pipe, OEM filters and mr9...
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Jason Miller StreetBike Seminars
*****DragRacers do it better, because they dont cut Corners*****
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blitzkrieg
Needs a job
Road kill = Free lunch.
Posts: 2044
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posted October 30, 2006 11:31 PM
Damn, now why didn't I say the above from experience a hundred times on .org. ?
Guess I'm an idiot.
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Kram
Expert Class
Posts: 404
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posted October 31, 2006 03:21 AM
Thanks guys, you too Bob. I did a search on .org and didn't find an explanation. Did one here too. Bob call 'em as you see 'em. Works for me.
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Not just a great barbarian, the greatest barbarian, bar none.
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blitzkrieg
Needs a job
Road kill = Free lunch.
Posts: 2044
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posted November 01, 2006 08:31 PM
I had a pc3r originally but dumped it when that guy (forget his name) had his take a crap and hydro lock his #1 cylinder.
I was gonna buy a Yosh box but then discovered that the Yosh box uses the same cpu as the pc3r. Bike runs great without it, so I just decided to forget about it.
I do have the high altitude ecu for whatever thats worth.
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"BTW....You need to get a girlfriend who's last name isn't .jpg"
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Kram
Expert Class
Posts: 404
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posted November 02, 2006 04:03 AM
10-4.
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Not just a great barbarian, the greatest barbarian, bar none.
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hyper12r
Expert Class
Posts: 119
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posted February 17, 2007 04:32 AM
Edited By: hyper12r on 17 Feb 2007 04:34
does the bmc filter have leaking issue?knN is tighter right?
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TRNorBRN6001
Needs a job
Posts: 2021
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posted February 17, 2007 07:45 AM
Just curious what does you alls A/F run around without PC?
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TFA 200MPH CLUB MEMBER!
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Y2KZX12R
Needs a job
CompetitionCNC.com
Posts: 3762
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posted February 17, 2007 08:11 AM
if someone wants to send a k&n filter i will do a cfm check vs a bmc race filter vs a stocker vs a stocker with the screens removed.
I did do a check about 6 years ago when the bmcs came out but have long sence forgot and cant find the pressure data for the test. i do know the bmc race flowed the best even with a fresh un run oil job.
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Y2KZX12R
CompetitionCNC.com
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CrotchRocket
Moderator
Bracket Racing with Betsy
Posts: 8038
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posted February 17, 2007 08:54 AM
I know a few guys that ran the 12 wihtout an airfilter!!!...They were getting 154mph in the 1/4 mile using a Muzzy pipe, u4, PC3, 5 degree advance, no airfilter!!!
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Jason Miller StreetBike Seminars
*****DragRacers do it better, because they dont cut Corners*****
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Kram
Expert Class
Posts: 404
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posted February 20, 2007 04:02 AM
Update, I installed the PC several months ago using a map for stock air filters and Akra system. Couldn't find a map for BMC race air filters. It does run much better, especially bottom and midrange. I plan to go to Spencer Cycle sometime soon and get a custom map.
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Not just a great barbarian, the greatest barbarian, bar none.
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hyper12r
Expert Class
Posts: 119
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posted February 20, 2007 06:21 AM
how easy it is to slide the BMC's in and out..you'll know it's not sealed air tight compare with the K&N's...anyone have leaking issue on the top of the bmc?
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GUNNER
Needs a life
Posts: 5778
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posted February 20, 2007 09:20 AM
quote:
how easy it is to slide the BMC's in and out..you'll know it's not sealed air tight compare with the K&N's...anyone have leaking issue on the top of the bmc?
Never heard of anyone with a leaking problem.
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robertinargyle
Parking Attendant
Posts: 22
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posted February 20, 2007 12:16 PM
Edited By: robertinargyle on 20 Feb 2007 12:53
Had the Akra/BMC (street) setup on my 03 for about a year. Bike ran/sounded great. Installed a PCUSB with the Akra/BMC map from dynojet- better throttle response, feels much stronger as Kram said. No dyno to back up my seat of the pants impression, though... As Blitz states- you don't need the PC, but I think the increase in performance/drivability is well worth the money. Just my 2 cents.
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