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Black and Blue
Join Date: Jul 2000
Location: Austin, TX USA - Ya'll
Posts: 2,552
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What is the single best instrument for CIS tuning?
What instrument is the best investment for tuning my CIS? With my limited experience trying to get my SC running right, I'm thinking a gas analyzer. Others have suggested a fuel pressure guage.
Should I just pay the money to have it dialed in professionally?
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Kemo 1978 911 SC Non-Sunroof Coupe, two tone Primer Black and SWEPCO Blue, Currently serving as a Track Whore 1981 911 SC Sunroof Coupe, Pacific Blue Project, Future Daily Driver |
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04-29-2003, 03:15 PM
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Registered
Join Date: Dec 2001
Location: MA USA
Posts: 2,938
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For diagnosing problems the gauges are great. I don't think you can do it without the gauges. How long are you going to keep the CIS? If it is a while, then you should invest in the gauges if you are handy. Then you will need the CO meter
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Dean 911 SC turbo, 3.0L 930 motor, G50, 930 brakes, DTA EFI, 352 RWHP DynoDynamic dyno, |
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04-29-2003, 03:33 PM
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Somewhere in the Midwest
Join Date: Oct 2001
Location: In the barn!
Posts: 12,499
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A CIS test setup would not be complete without a fuel pressure tester. Cowtown started a thread on the JC Whitney tester.
I have a vacuum guage too! Cheap at your local parts store. A good timing light ~$50 at Sears with a dial advance. A 3MM long allen for mixture setting. A mulitmeter. CIS manuals (free on the internet..just search) All have paid for themselves time and time again. But the CIS pressure tester is great and the best to have. CO tester is next for me. |
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04-29-2003, 04:41 PM
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Registered
Join Date: Sep 2002
Location: Cedar Falls, IA
Posts: 212
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Where do you get a reasonably priced CO meter?
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04-29-2003, 05:39 PM
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Registered
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Gas Tester
Do a web search for the Gunison GasTester. It is a single gas (CO) tester that usually sells for about $100-130. I bought one a couple years ago and have found that it works as advertized and is easy to use. You MUST follow the instructions to get accurate readings. Other than the Gunison, the closest priced tester that I could find was about $500.
Good Luck! Fred Cook '80 911SC coupe |
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04-29-2003, 06:36 PM
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Zeus (god of thunder and lightning)
