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Join Date: Nov 2002
Location: Arlington, VA
Posts: 1,045
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Whats This? - CIS Fuel Distrib. Valve Kit
While gathering CIS replacement items, I came across the following:
Fuel Dist Valve Kit K-Jet PshVlv  Is this a common ware item that should be considered for replacement while the CIS is out? Looks to come with shims, possibly for adjustability. May have my hands full with this R&R. Thoughts?
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Charlie Stylianos 1982 SC Targa www.Dorkiphus.com - (The Land of the NoVA/DC/MD Porschephiles) |
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04-16-2003, 01:51 PM
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I believe that this is the pressure regulator in the fuel distributor. I check my fuel pressure by removing the allen plug and screwing in a pressure gauge. If your fuel pressure is good, I would think just changing the o-ring would be enough. Just a few thoughts until someone more experienced chimes in.
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2014 Cayman S (track rat w/GT4 suspension) 1979 930 (475 rwhp at 0.95 bar) |
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04-16-2003, 03:49 PM
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Join Date: May 2002
Location: Chews Landing, New Jersey
Posts: 272
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The shims regulate the system pressure.
One shim = 0.4 - 0.5 Bar Jeff
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'72 911T gone '85 TVR |
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04-16-2003, 10:00 PM
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Location: Arlington, VA
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Thanks guys......
My CIS (knock on wood) has been trouble free since I bought the car. While its out of the car, thought I'd replace some common trouble items while I have the opportunity. These don't sound like common trouble or ware items to me. At least on mine, I have no leaks from the valves (so far) and no CIS issues that could be traced to system pressure. I'll just leave well enough alone w/ these. Thanks again.....
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Charlie Stylianos 1982 SC Targa www.Dorkiphus.com - (The Land of the NoVA/DC/MD Porschephiles) |
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04-17-2003, 06:35 AM
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Heck, I’m only 5 not 71!
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When I rebuilt my engine I cleaned up the fuel distributor as much as I could and I pulled the pressure regulator and cleaned everthing with fuel injector cleaner. I did not have problems with the injection systems so I did not replace anything just made it look pretty.
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Pat Henry Targa80 1980SC Targa (Mocha Brown) |
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04-17-2003, 06:41 AM
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Join Date: Jan 2003
Location: Shuswap Lake, British Columbia, Canada
Posts: 508
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I didn't think I had any trouble with my CIS system either? Until I put a gauge on it and found the regulator wasn't holding the pressure after shut off; which causes restart or cold start blues.
I replaced the fuel regulator completely. Anyone having starting troubles should test their fuel pressure. These CIS systems are major complicated, but I'm a learning?
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Rob McKibbon, Shuswap Boy <>< To steal ideas from one person is plagiarism, to steal ideas from many is research. Currently researching ideas for my '74 911 Cabriolet |
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04-17-2003, 09:13 PM
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1979 Porsche 930 3.4
