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03-27-2009, 06:05 PM
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Black Group
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Join Date: Oct 2006
Location: Trying to keep up with Repka
Posts: 1,157
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Hey Billy....
What are the ohms readings for the 944 fuel sending unit? I need an aftermarket gauge but don't know what our range is. You recently changed yours right?
__________________
Brent
1987 944 Turbo S "Sophie" - Sold to a Nordsterner to giver her more Brainerd time 
1983 944 SP1 "Isabella"
1999 986 Boxster "Gracie" Soon to be SpecBoxster...well in a few years 
2007 Chebby 3500 "Clifford"
Nothing sucks more than that moment during an argument when you realize you're wrong
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03-28-2009, 09:50 AM
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Green Group
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Join Date: Apr 2007
Location: Minneapolis
Posts: 32
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Brent..check out Clark's Garage info:
http://www.clarks-garage.com/shop-manual/elect-13.htm
Reserve for <85.5 cars is listed at 71.6Ω, while full is listed at 3.2Ω.
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Jess
86 951 - Armstrong Power Steering - 260 Air Conditioner
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03-28-2009, 11:21 AM
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Lead foot Stecher
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Join Date: Jan 2006
Location: Minnesota
Posts: 4,774
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Jess is right we used that to figure out Billy's original was wrong.
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03-29-2009, 10:41 AM
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FIA rated bubble wrap!
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Join Date: Jan 2006
Location: Rochester MN
Posts: 5,606
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Mine still isn't right, empty reads about 1/3 tank on my car.
__________________
1986 Porsche 944 sp1 track whore.
Daily driver: 2010 VW GTi
Wifes car: 2009 Ford flex sel awd
iRacing: AMD Phenom BE 970 + HD6870 (5740x1080)
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03-29-2009, 11:12 AM
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Administrator
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Join Date: May 2006
Location: Rochester, NY
Posts: 3,836
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I would get a simple potentioneter and hook it in place of the sender to get a cal on the gauge
http://www.mouser.com/Search/Product...WPueaOf%2f8%3d
does the 944 use the same 76-6 ohm scheme as a 911?
I am guessing not...........
The sender is a VDO part which typically is a 90-0 ohm one.
Last edited by JimLill; 03-29-2009 at 12:00 PM.
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03-29-2009, 12:47 PM
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Black Group
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Join Date: Oct 2006
Location: Trying to keep up with Repka
Posts: 1,157
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Thanks for the info, I'm planning on putting a fuel guage in using the sending unit in the fuel cell, supposedly the same output as a late 944. should have checked "the 944 bible" Clark's garage first.
__________________
Brent
1987 944 Turbo S "Sophie" - Sold to a Nordsterner to giver her more Brainerd time 
1983 944 SP1 "Isabella"
1999 986 Boxster "Gracie" Soon to be SpecBoxster...well in a few years 
2007 Chebby 3500 "Clifford"
Nothing sucks more than that moment during an argument when you realize you're wrong
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