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> A/F gauge Ox sensor bung location?
tmessenger
post Feb 4 2019, 08:53 PM
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I ordered an air/fuel gauge so I properly tune my carburetors and now need to weld in the bung for the Ox sensor.

My car has a Triad muffler so I'm thinking the transfer pipe between the upper and lower mufflers? I really want to measure both banks so if one of the carbs goes lean I have some advanced warning. I've read it's better to put the sensor before the muffler so don't know. The only other option is to place the sensor in the header right where it enters the muffler but then I'm only reading one side.

Tim

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ablesnead
post Feb 4 2019, 09:25 PM
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QUOTE(tmessenger @ Feb 4 2019, 09:53 PM) *

I ordered an air/fuel gauge so I properly tune my carburetors and now need to weld in the bung for the Ox sensor.

My car has a Triad muffler so I'm thinking the transfer pipe between the upper and lower mufflers? I really want to measure both banks so if one of the carbs goes lean I have some advanced warning. I've read it's better to put the sensor before the muffler so don't know. The only other option is to place the sensor in the header right where it enters the muffler but then I'm only reading one side.

Tim
This is probably to late , but you would be better served to have a dual readout gauge , with dual bungs , one at each exhaust merge , that way you can tune each carb , for the desired mixture , instead of the combined flow that could mask a single carbs less than ideal adjustment...
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