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Author
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Topic: Exhaust Gas Analyzer
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FoMoGo
Gearhead Posts: 138
From: Motor City USA
Registered: Feb 2003
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posted 01-18-2005 04:45 PM
   
Do they work or just another use less item?
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=34203&item=45208 61551&rd=1 [This message has been edited by FoMoGo (edited 01-18-2005).]
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SteveLaRiviere
Administrator Posts: 43790
From: Saco, Maine
Registered: May 99
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posted 01-20-2005 09:48 AM
Of course they work. Back in the day we used them to check air/fuel ratio.I still have my old one, but mine needs a new probe. ------------------
'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
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FoMoGo
Gearhead Posts: 138
From: Motor City USA
Registered: Feb 2003
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posted 01-20-2005 07:20 PM
Let me re-phrase the question. Is it more accurate then a tach. or vacuum gage????? Have you ever compared results with a oxygen sensor?
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SteveLaRiviere
Administrator Posts: 43790
From: Saco, Maine
Registered: May 99
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posted 01-21-2005 09:07 AM
It actually is an oxygen sensor, really. That's how it calculates air/fuel ratio, I believe.Vacuum gauges and tachs are useful, and you can tune with them alone. AG analyzers will just give you another picture. The only time anyone would really need one if if they need to keep an eye on the numbers to pass emission inspections. You can have a really good running engine that still blows dirty on the analyzer and all inspectors care about are numbers. ------------------
'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
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FoMoGo
Gearhead Posts: 138
From: Motor City USA
Registered: Feb 2003
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posted 01-21-2005 08:23 PM
I have heard that these exhaust gas analyzers are slow to react to adjustments. Eastwood sells one with a digital read-out it measures the % of carbon monoxide in the exhaust & they provide a chart to convert that into the air/fuel ratio.
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Ryan Wilke
Gearhead Posts: 2125
From: Stanton, Michigan 49707
Registered: Oct 2000
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posted 01-23-2005 10:33 AM
As Steve indicated, they're basically an oxygen analyzer, which is dependent on the condition of the oxygen sensor -- and the sensor DOES go bad over time.... Personally, for performance tuning, I would rather invest in a Exhaust Gas Temperature gage and probe setup. Ryan 
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capri man
Gearhead Posts: 6652
From: doerun, ga.
Registered: Nov 2000
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posted 01-23-2005 11:07 AM
alex REALLY needs one of those!!!!!!  ------------------
mike r
racing is real
everything else is just a game.
81 capri-302-7.33 @92mph 1/8
1.54 60 ft.
http://community.prestage.com/Member+Pages/789.aspx
M&M member #839
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FoMoGo
Gearhead Posts: 138
From: Motor City USA
Registered: Feb 2003
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posted 01-24-2005 06:01 PM
I know what it is & what it does. From your replys it would make a good "Stink-O-Meter"
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