Phantom Menace
Expert Class
Posts: 169
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posted January 08, 2006 04:26 PM
 Edited By: Phantom Menace on 8 Jan 2006 16:35
B-Model (02-up) Fuel Pump Questions
First time poster, Long time lurker...
I'd like to come off by first saying this is an amazing source of knowledge and from what I can tell, a pretty cool crowd.
I've got a 2003 ZX12R that's been pretty much stock with only an akro/pc3r/bmc/lowered/strapped/muzzy dry 40 shot
it's a nice set-up and has performed well over the years. Made 215rwhp sae (dj250i) on the spray (#32 jet) so I can't complain. =)
Anyway, here's my questions... (yes, I used the search feature but came up with nothing)
1) I'm aware the B model fuel pumps flow more than the A model pumps... but how much rwhp is it good for before I need a bigger pump?
2) I was told that the Muzzy fuel pump isn't available for the 2002-up models because the B models have a non-return fuel pump. Is this true?
3) Who makes a higher flow fuel pump for the B model ZX12R?
4) Is there a way to get more fuel without upgrading the pump? I heard BEAR racing got up to 240rwhp out of a B model pump with modifications to the fuel rail.
I'm currently in the process of building a 235+rwhp ZX12R for Maxton and our local 9/10th mile ET races. Any help regarding these questions would be greatly appreciated.
Thank you in advance, gentlemen.
  
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CrotchRocket
Moderator
Bracket Racing with Betsy
Posts: 8038
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posted January 08, 2006 06:35 PM
I wish I knew...I would give Carpenter a call...
http://www.carpenterracing.com/contact.htm
____________
Jason Miller StreetBike Seminars
*****DragRacers do it better, because they dont cut Corners*****
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dougmeyer
Needs a job
moderated
Posts: 2713
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posted January 09, 2006 09:13 PM
You can up the voltage on the stock pump while on the spray. Somebody (don't ask me to remember who) makes a solid state transformer and switching unit for just this purpose.
I bought one for the 2000 Bonneville bike but never used it. It's in the garage and I probably have the apperwork for it somewhere. Anybody remember?
Doug
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Phantom Menace
Expert Class
Posts: 169
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posted January 10, 2006 11:36 AM
Thank you very much for that info....
This leaves me with one problem though.... will a stock 2003 fuel pump be able to handle 235+rwhp PLUS the ram air at 200+mph?
That's what? 245-250rwhp in the real world at 200+mph?
Can a stock B model fuel pump supply that much fuel?
I know the Busa pump is good for around 215rwhp, not sure about the 12 B model.
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