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Registered
Join Date: Sep 2002
Location: France
Posts: 646
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MFI experiences
Hello
i've almost finished my 2.7RS engine rebuilt, and wonder if someone has tried another MFI pump timing ? Porsche probably designed it at its best... but who knows   
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02-09-2007, 11:12 PM
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Registered
Join Date: May 2005
Location: Belgium/Europe
Posts: 137
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Hey,
I don't know nothing of MFI-pump timing but a sure as hell know you've one fantastic car!!! Let us see more pics! Johan of Belgium 911 2.4mfi |
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02-09-2007, 11:24 PM
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Registered
Join Date: Apr 2000
Location: Kansas City
Posts: 1,675
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First, we demand more pics!
Regarding MFI pump timing, I have found that the car will run (pretty well actually) at almost any pump timing. However, it is very easy to set it "correctly", and it just makes sense that you would want to optimize the plunger stroke with the position of the valve. I think ignition timing is much more important, and a better way to optimize power. JA
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John - '70/73 RS Spec Coupe (Sold) - '04 GT3 |
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02-10-2007, 07:07 AM
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Registered
Join Date: Sep 2002
Location: France
Posts: 646
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02-10-2007, 11:39 AM
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Registered
Join Date: Mar 2006
Location: fair oaks, CA
Posts: 193
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more pics please!
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'82 911 previous: '86 951 '72 914 |
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02-10-2007, 03:29 PM
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Join Date: Nov 2006
Location: Cebu, Philippines
Posts: 186
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beautiful car, more pics please
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02-10-2007, 04:07 PM
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Registered
Join Date: Apr 2001
Location: Linn County, Oregon
Posts: 48,527
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Beautiful job! As far as pump timing goes, as long as you are running the S/RS engine cams, I would believe it would be very difficult to improve on the factory MFI set-up.
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"Now, to put a water-cooled engine in the rear and to have a radiator in the front, that's not very intelligent." -Ferry Porsche (PANO, Oct. '73) (I, Paul D. have loved this quote since 1973. It will remain as long as I post here.) |
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02-10-2007, 04:23 PM
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