
09-27-2012, 06:50 PM
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CC Member
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Join Date: Aug 2010
Location: San Antonio Valley Ca,
ca
Cobra Make, Engine:
Posts: 1,275
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Not Ranked
4 to 2 exhaust O2 sensor
I'm setting up a Mega Squirt system on an 8 stack injection. The headers are 4 into 2 to the exhaust side pipes on a coupe. There are 4 individual side pipes, 2 per side. I understand for an accurate reading the O2 sensors need to read a mix of all cylinders. In this case there would need to be 4 sensors on the 4 to 2 cylinder collectors. Am I heading the right way or is there something else a little less expensive ? 
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