entropy
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posted February 14, 2006 11:38 PM
quote:
Has anyone had thier injectors flow tested?
I'm wondering how balanced the flow rates are on them.
ask and ye shall receive: 
17-May-05
RC Engineering reconditioning: were: 325, 311, 326, 320 cc/min; now 330, 329, 331, 330 cc/min
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Y2KZX12R
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posted February 15, 2006 03:02 AM
Thats what I was afraid of. Numbers all over the board. Did they say if it was because of clogging? Or were the first set of numbers AFTER cleaning and testing.
Being a disc type injector they arnt supposed to clog like pintle injectors.
So that is a 32# per hour injector capable of supporting about 240-250 hp with stock rail fuel pressure. More if fuel rail pressure is raised.
What was the charge to have them flow balanced? Or did they match them up with ones they had?
Thanks for the info.
What was the test pressure for that flow rate?
Did they give you the angle of the pattern?
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entropy
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posted February 15, 2006 07:55 AM
The first numbers were test results as received by RC, the 2nd numbers were after cleaning. I have no idea of details.
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big al
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posted February 15, 2006 12:40 PM
you remember what the cost was or is?
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entropy
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posted February 15, 2006 01:54 PM
 Edited By: entropy on 15 Feb 2006 14:10
quote:
you remember what the cost was or is?
$126
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supra5677
Pro
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posted February 15, 2006 08:55 PM
This is interesting.. When I called RC engineering they said that the stock zx12r injector flowed only 310cc.. Is this correct?
supra
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entropy
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posted February 16, 2006 12:22 AM
Edited By: entropy on 16 Feb 2006 03:58
quote:
This is interesting.. When I called RC engineering they said that the stock zx12r injector flowed only 310cc.. Is this correct?
supra
mine are stock Y2K and AA they flowed 330 after cleaning. go figure. maybe it depends upon model year???
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psycho1122
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posted February 16, 2006 07:08 AM
I also had my 2000 12r injectors cleaned and serviced by RC,
318, 319, 313, 315 before cleaning....BTW, 13,500 mi on injectors.
320, 321, 320, 320 after cleaning
entropy, you must have got "ringer" injectors in your 2000!!
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supra5677
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posted February 16, 2006 08:35 AM
when I went to kawasaki.com I couldn't find the part number for the injectors for 00 and 01.. I found 03-05 which are the same as the zx10r and the vulcan 2000.. How did you get 330cc injectors? Lucky...
supra
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supra5677
Pro
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posted February 16, 2006 12:08 PM
Does anybody have a theory on these different injector flows?
supra
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TRNorBRN6001
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posted February 16, 2006 12:56 PM
I guess it is who you are, cause they don't play games with Entropy!
He gets all the good stuff we could only dream about.
Are ya getting one of them rev extenders to get that monster
spinning to 15K?
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supra5677
Pro
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posted February 16, 2006 01:06 PM
Im sorry I dont know who entropy is.. The rev extender i have only increased the revs by 700rpms.. If Entropy has some rare injectors I would be interested..
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Y2KZX12R
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posted February 16, 2006 03:20 PM
Does anyone know who makes the injectors?
I know the fuel pump and assembly is made by Mitsubishi, and the throttle bodies and assembly are mikuni.
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01zx12r
Expert Class
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posted February 16, 2006 03:55 PM
Another option for you all on fuel injector service.... http://lindertech.com/ I have used them for years for replacement injectors in everything from Nissans to Mopars....Great service and full of info.
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TRNorBRN6001
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posted February 17, 2006 07:05 AM
Power Commander has them plug and play extended rev limiters.
They will get ya a lot more than cracking the ecu open and changing
out a diode or resister, but PC will only give ya an extended amount
depending on who you are. So I called them up and they said they might
consider selling me one that extended red line to 11,749.
Everything on Entropy's bike is rare, he must have gotten a hold
of Kawasaki's Special Extra Rare Race injectors. They ran these
on a few bikes and I hear they only sold them to a few big ZX-12
builders back in 2000. That is until them sanctioning bodies caught
wind of it.
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dougmeyer
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posted February 17, 2006 08:38 AM
Muzzys has 550 and 650cc injectors that fit in a stock chassis.
My guess in the inlet tubes is that without the rubbers you get an ugly entrance and the air doesn't want to go in. Without a nice radiused lip on the entrance flow is almost always compromised some.
D.
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supra5677
Pro
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posted February 17, 2006 09:37 AM
can you use 550cc injectors on a stock bike with a muzzy exhaust?
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entropy
Moderator
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posted February 17, 2006 12:12 PM
quote:
...
Everything on Entropy's bike is rare, he must have gotten a hold
of Kawasaki's Special Extra Rare Race injectors.....
bahahahahahahahaha,
Yep, every thing about my bike is rare including my mechanical knowledge. You could EASILY fit the total sum of my knowledge of fuel injectors on the head of the pin along with those thousand dancing angels and have lots of room to spare!
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ninja12
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posted February 17, 2006 12:37 PM
Karls 3 % larger injector could be from years of extra strong fuel,
then again it could be luck of the draw, What is the standard diviation.
someone with a fresh mind should do a bell curve and see what the probability of such hugh injectors are. 
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TRNorBRN6001
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posted February 17, 2006 01:19 PM
Just curious, what was the turn around time on those injectors sent to RC.
Anybody got a number for them, I might as well get mine cleaned while the
bike is down. I might have to send them under Karl's name or else they
might tell me mine are only worthy of 310.
How is the bike running Entropy? Hope it stays dry for the season opener.
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entropy
Moderator
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posted February 17, 2006 10:50 PM
Gary,
turn around was about a week? The Cheeseman did it for me so I don't know exactly.
But like Gerard says only 3%, and maybe due to 4 years of running Nutec, etc; Anyway, 3% don't mean shit to a tit mouse (like my Mom used to say). When you map the pc3 its all good.
My bike is running strong but fukken weather won't cooperate. Rain today, rain and 40's on Sunday. No track this week, and next week I start traveling again.
What's up with yr bike?? Is JC having time to do the motor??? Do you have all the parts?? He must be pretty busy, when I call his house he's always out working.
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TRNorBRN6001
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posted February 18, 2006 08:20 AM
JC has the time, he is the Man. Just waiting on parts. I figure I might as well
try to do it right since the engines out of the frame. Sent ya a PM.
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Y2KZX12R
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posted February 22, 2006 06:21 PM
Otto65 and I put the fuel pump in the fuel pump "chassis" tonight. With some small modifications to a few parts, it went in nice.
So now its got a "190 lph" walbro fuel pump in it, so fuel volume will never be any trouble.
I'll post pics tomorrow of the assembly.
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osti33
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posted February 22, 2006 06:58 PM
quote:
Otto65 and I put the fuel pump in the fuel pump "chassis" tonight. With some small modifications to a few parts, it went in nice.
So now its got a "190 lph" walbro fuel pump in it, so fuel volume will never be any trouble.
I'll post pics tomorrow of the assembly.
Sounds good. Can't wait to see the pics. 
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Y2KZX12R
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posted February 23, 2006 03:34 PM
Edited By: Y2KZX12R on 27 Mar 2006 14:41
Some modifications are needed to mount the Walbro gss242/gss307 pumps in the fuel pump chassis. Nothing major. Order the pump and kit for a buick grand national turbo.
The upper hoop bracket needs to be fliped over and mirror bent. It has an offset to one side and has to be offset to the oppisite side.
The rubber seat under the pump inlet needs to be cut with a new sharp razor to about 1/4" thick.
Slice a 4" piece of 3/8" fuel line down length wise and bend it backwards around the pump under a band clamp. trim off the excess band clamp to about 1-1/4" long and after everything is seccured in place bend the extra strap back over the adjusting screw and secure it with safety wire so the band clamp screw cant loosten up from the pump vibration.
Trim the new supplied "s bend" hose to length and use the spring clamps (2 each end) to seccure.
Make sure to solder the ring connectors onto the wires and put the wire shielding back over the wires.
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