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KRatcliff · 11-15-2012, 10:59 PM

With just one O2 sensor you would be far better to put it in the collector, but not too close to the end. Try to get it right at the south side of the point all four tubes meet in the collector. The further from the end of the collector the better. You don't want the fresh air giving you false lean readings.

The very best would be an O2 sensor in each tube at least 12 inches from the exhaust port/flame travel.

11-15-2012, 10:59 PM	#2
KRatcliff Senior Member Join Date: Sep 2011 Posts: 765 Likes: 75 Liked 524 Times in 141 Posts	Re: O/2 Sensor location With just one O2 sensor you would be far better to put it in the collector, but not too close to the end. Try to get it right at the south side of the point all four tubes meet in the collector. The further from the end of the collector the better. You don't want the fresh air giving you false lean readings. The very best would be an O2 sensor in each tube at least 12 inches from the exhaust port/flame travel.