A/F gauge?, Is it worth it? |
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A/F gauge?, Is it worth it? |
BiG bOgGs |
Apr 11 2010, 08:22 PM
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#1
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The Bogus One Group: Members Posts: 452 Joined: 25-September 04 From: Ft. Myers, FL 33967 Member No.: 2,829 Region Association: South East States |
I am looking to add an Air/fuel gauge to my 76 2.0L D-Jet. Is there a VDO meter that would match our present gauges, and is it even worth having as a gauge? I have done a few searches and come up with some info, but I don't really find anyone who has one in their system.
I would like to be able to monitor the A/F ratio to tell when I am running too rich or too lean over all, not really for precision diagnostics. |
Mark Henry |
Apr 12 2010, 04:42 AM
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#2
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
This is the cheapest WB system if you are the DYI type and can solder your own.
http://www.14point7.com/Widebands/SLC_DIY/SLC_DIY.htm This one for $300 is the same size as a VDO http://sdsefi.com/wmsmm.htm (IMG:http://www.914world.com/bbs2/uploads_offsite/sdsefi.com-26-1271069633.1.jpg) Built systems are about $300 and up |
ConeDodger |
Apr 12 2010, 09:39 AM
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#3
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Apex killer! Group: Members Posts: 23,606 Joined: 31-December 04 From: Tahoe Area Member No.: 3,380 Region Association: Northern California |
This is the cheapest WB system if you are the DYI type and can solder your own. http://www.14point7.com/Widebands/SLC_DIY/SLC_DIY.htm This one for $300 is the same size as a VDO http://sdsefi.com/wmsmm.htm (IMG:http://www.914world.com/bbs2/uploads_offsite/sdsefi.com-26-1271069633.1.jpg) Built systems are about $300 and up This is the one Jake Raby has wired into his two dyno rooms. He loves it. I have an LC-1 that I have never taken out of the box. I should probably put it up for sale huh? Something I recently noticed while using McMark's LM-1 to tune Jim Dupree's D-Jet blueprinted 2.0 though... D-Jet seems to regulate A/F under load much better than sitting still and revving. I about went batty trying to figure what was wrong while revving the engine in the driveway but once I took it out on the street, I realized that the motor was pretty much on the nose as it regards 30+ year old EFI systems. |
pbanders |
Apr 12 2010, 03:41 PM
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#4
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Senior Member Group: Members Posts: 939 Joined: 11-June 03 From: Phoenix, AZ Member No.: 805 |
Something I recently noticed while using McMark's LM-1 to tune Jim Dupree's D-Jet blueprinted 2.0 though... D-Jet seems to regulate A/F under load much better than sitting still and revving. I about went batty trying to figure what was wrong while revving the engine in the driveway but once I took it out on the street, I realized that the motor was pretty much on the nose as it regards 30+ year old EFI systems. That's my same observation, loaded CO is stable, idle stable CO wanders. I have a theory as to why, just need to do the testing to verify it |
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