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If you are running seimens injectors with the stock fuel pump @ 24psi...

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Old 09-19-2006, 05:18 PM
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Default If you are running seimens injectors with the stock fuel pump @ 24psi...

- basically my car was at 130% injector duty cycle

- unfortunately, we replaced the fuel pump (with a 034Motorspot 044 pump) before we tested if there was pressure drop with the stock pump (I had a ECS tuning fuel pressure guage installed) so this would have been a good opportunity to test how the stock fuel pump does with the seimens at this boost level but we missed our chance

- after all of the above was installed, the car went from 130% injector duty to 75% duty

- we removed the ECS AFPR and re-installed the 4bar oem email me if you would like to buy a new AFRP - I have one)

- we are updating our tune to adjust for these changes and will have data next week
Old 09-19-2006, 05:24 PM
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Default I @#$@#$##$ TOLD you:

I warned you, but did you listen to me? Oh, no, you knew it all, didn't you? Oh, it's just a harmless little bunny, isn't it? Well, it's always the same.
I always tell them--but do they listen.. ohhh noooo.

[/tim the enchanter]
Old 09-19-2006, 05:26 PM
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Some lovely filth for whoever names the reference.
Old 09-19-2006, 05:27 PM
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And im doing the "told you so" dance right now.
Old 09-19-2006, 05:27 PM
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i'm confused. the pump was the problem or the AFPR was the problem?
Old 09-19-2006, 05:28 PM
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Default ...

<center><img src="http://bau2.uibk.ac.at/sg/python/Scripts/HolyGrail/jpgs/20-tim.jpg"></center><p>
Old 09-19-2006, 05:29 PM
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Default That's odd that it hit you as you got the cammies.

FWIW, I'm in the 90's with my walbro... with a similar boost and fuel curve.
Old 09-19-2006, 05:31 PM
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my fuel pump FAILED when we got the cams in. hows that for a tuning nightmare.
Old 09-19-2006, 05:33 PM
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the kids here WONT get it. I will say NI to them.
Old 09-19-2006, 05:35 PM
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in any case im delighted you worked it out, i know first hand how frustrating that problem can be.


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