lotusmadandy
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| posted on 26/11/11 at 08:49 PM |
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zetec injector flow rate
I'm setting up the constants on my megasquirt and
need to know the injector flow rate.
Can anyone tell me the rate for standard 2.0 zetec white injectors please?????
Cheers,
Andy
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pjay
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| posted on 26/11/11 at 10:41 PM |
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If they're 0280155820's then my info has them as 215cc/min (@3bar) 14.5 Ohm High Impedance.
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lotusmadandy
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| posted on 27/11/11 at 07:59 AM |
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Thanks pjay
Andy.
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MakeEverything
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| posted on 27/11/11 at 09:46 AM |
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My information says that those are 200cc/m @ 3bar and 4.5ohms impedance pjay.
Andy, what is the little number cast into the injectors?
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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big_wasa
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| posted on 27/11/11 at 09:57 AM |
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My info says 220cc/m but I cant find the source to back it up.(2.0) I do know that all the zetec inj' Ive come across are high Z from the side
fed silver tops to the bosch style black tops.
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lotusmadandy
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| posted on 27/11/11 at 12:12 PM |
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quote:
Originally posted by MakeEverything
My information says that those are 200cc/m @ 3bar and 4.5ohms impedance pjay.
Andy, what is the little number cast into the injectors?
The no on the side is as per pjay's reply 0280155820.
If this is the case,i take it they are high impedence injectors?
My ms is set to low,so maybe this isnt helping me to
make it idle properly.
Andy.
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BaileyPerformance
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| posted on 27/11/11 at 04:40 PM |
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quote:
Originally posted by lotusmadandy
quote:
Originally posted by MakeEverything
My information says that those are 200cc/m @ 3bar and 4.5ohms impedance pjay.
Andy, what is the little number cast into the injectors?
The no on the side is as per pjay's reply 0280155820.
If this is the case,i take it they are high impedence injectors?
My ms is set to low,so maybe this isnt helping me to
make it idle properly.
Andy.
Hi Andy,
The stock injectors are 200cc HIGH impedance. Set MS for PWM current limit to 100%, injector opening time to 0.900.
The above is not super critical, any error in the injectors flow rate can be compensated when tuning the VE table, as long as its not a back yard out.
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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lotusmadandy
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| posted on 27/11/11 at 05:04 PM |
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Cheers Dale,i will set it tomorrow.
Andy
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pjay
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| posted on 27/11/11 at 05:19 PM |
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Hi - got the info as follows (which has proved accurate in the past). Definitely High Impedance 14.5 ohms not 4.5!:
would agree though that other sources have it at 200cc/min (@3bar):
http://www.injectorcleaning.co.uk/flow.htm
As BaileyPerformance says not too critical - as long as you're not right on the limit of duty cycle.
[Edited on 27/11/11 by pjay]
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lotusmadandy
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| posted on 27/11/11 at 05:33 PM |
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quote:
Originally posted by pjay
Hi - got the info as follows (which has proved accurate in the past). Definitely High Impedance 14.5 ohms not 4.5!:
would agree though that other sources have it at 200cc/min (@3bar):
http://www.injectorcleaning.co.uk/flow.htm
As BaileyPerformance says not too critical - as long as you're not right on the limit of duty cycle.
[Edited on 27/11/11 by pjay]
Thats a useful guide to have.Cheers pjay.
Andy
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pjay
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| posted on 27/11/11 at 07:09 PM |
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Assuming it's accurate! I guess best thing to say is tread carefully with this sort of info and rely on people's actual experience.
I'm beginning to think it would be useful to have a way of roughly verifying flow rate - 200 vs. 215 is big difference when run for 5 minutes
(let's say) - would just need something other than petrol to test with!
Need something with similar density, viscosity etc.
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MakeEverything
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| posted on 27/11/11 at 07:29 PM |
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quote:
Originally posted by pjay
Assuming it's accurate! I guess best thing to say is tread carefully with this sort of info and rely on people's actual experience.
I'm beginning to think it would be useful to have a way of roughly verifying flow rate - 200 vs. 215 is big difference when run for 5 minutes
(let's say) - would just need something other than petrol to test with!
Need something with similar density, viscosity etc.
My information is tested, and is done with Heptane which is even more flammable than petrol. The injectors are connected to a fuel rail and energised
for a timed 30 second period to inject the heptane into calibrated tubes. I thought about making a DIY version of this using a microsquirt system as
the driver, but never got round to it. The system that is used for testing the injectors at the moment costs around £7k and belongs to someone else.
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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pjay
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| posted on 27/11/11 at 08:04 PM |
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Very nice bit of kit to have access to! Do you accept injectors by post?
Was also thinking of MS to drive - IIRC it has an injector test facility.
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