Originally Posted by 72sat
I would think that you need to put it in the collector.if your in just 1 pipe you are not going to get an average reading.it's bad enough that your do not have 2 o2s.do not limit yourself to only reading 1 cylinder
X2, 1/2 way back in the collector.
but i agree you're not going to get an accurate reading from only 1 side of the engine, unless it's an injected engine and even then i have my doubts. Single plane maniflod, carberated, impossible.
JMO
Zip.