Something fishy.... Did 12As have O2 snesors?
07-15-04, 03:39 PM
#1
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Something fishy.... Did 12As have O2 snesors?
http://cgi.ebay.com/ebaymotors/ws/eB...spagename=WDVW
It says its for a 12A, but it also says it has a bung for an O2 sensor. Weird.
It says its for a 12A, but it also says it has a bung for an O2 sensor. Weird.
07-15-04, 04:14 PM
#2
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No they don't originally, but it can be installed. I think that's what he's talking about when he says pre-installed. That's sweet in fact, I'd like to have it. being carburated, it allows you to fine tune the a/f ratio.
07-15-04, 06:54 PM
#3
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It doesn't allow you to fine tune, but it does let you know in which direction the carb is grossly misadjusted 
O2 sensors tell you rich, or lean, and not much else.
O2 sensors tell you rich, or lean, and not much else.
07-15-04, 07:30 PM
#5
Originally posted by peejay
It doesn't allow you to fine tune, but it does let you know in which direction the carb is grossly misadjusted
O2 sensors tell you rich, or lean, and not much else.
It doesn't allow you to fine tune, but it does let you know in which direction the carb is grossly misadjusted
O2 sensors tell you rich, or lean, and not much else.
Not.
07-15-04, 07:38 PM
#6
Old [Sch|F]ool
Widebands are a whole different ball of wax.
BTW - I found out that the wideband used in VW's retails for only $125. Vehicle in question was a non turbo '00 New Beetle. I dunno if that is the same unit or is compatible with the Honda sensors that all the DIY-WB setuips use.
BTW - I found out that the wideband used in VW's retails for only $125. Vehicle in question was a non turbo '00 New Beetle. I dunno if that is the same unit or is compatible with the Honda sensors that all the DIY-WB setuips use.
07-15-04, 07:45 PM
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Originally posted by peejay
Widebands are a whole different ball of wax.
BTW - I found out that the wideband used in VW's retails for only $125. Vehicle in question was a non turbo '00 New Beetle. I dunno if that is the same unit or is compatible with the Honda sensors that all the DIY-WB setuips use.
Widebands are a whole different ball of wax.
BTW - I found out that the wideband used in VW's retails for only $125. Vehicle in question was a non turbo '00 New Beetle. I dunno if that is the same unit or is compatible with the Honda sensors that all the DIY-WB setuips use.
I have been using the innovated lm-1 .(Link) for almost a year now and it has not let me down yet. A wideband is probably the best tuning aid you can get.
Later
Randy
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07-15-04, 08:09 PM
#8
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A wideband is only useful if you know what air/fuel ratio you need!
The BEST tuning aid you can get is a stopwatch, or a drag strip, combined with scientific method. Does it want 13.0, or 13.5 air/fuel? Who cares as long as it picks up another half MPH!
I was tuning my engine and I noted that my O2 was reading .8 through most of the run. Ran, hmm, something or other. I don't remember. I leaned it out a bit. Ran slower. Richened it a bit. .9 and we picked up some MPH. Hmm that must be the sweet spot. Let's richen it some more to confirm. Faster yet! And so on... four or five passes later, I have run out of adjustment on the fuel pressure regulator so I just bypass it entirely, giving the carb the full 6 or so PSI. Running so rich it's painful. But - it still picked up speed.
But the sensor said I was running too rich....
The BEST tuning aid you can get is a stopwatch, or a drag strip, combined with scientific method. Does it want 13.0, or 13.5 air/fuel? Who cares as long as it picks up another half MPH!
I was tuning my engine and I noted that my O2 was reading .8 through most of the run. Ran, hmm, something or other. I don't remember. I leaned it out a bit. Ran slower. Richened it a bit. .9 and we picked up some MPH. Hmm that must be the sweet spot. Let's richen it some more to confirm. Faster yet! And so on... four or five passes later, I have run out of adjustment on the fuel pressure regulator so I just bypass it entirely, giving the carb the full 6 or so PSI. Running so rich it's painful. But - it still picked up speed.
But the sensor said I was running too rich....
Last edited by peejay; 07-15-04 at 08:13 PM.
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