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Discussion Starter #1
I have an 06 LS2 with a 226/230 .600/.600 112 cam, with headers/high flow cats. It smells really rich at idle, I asked my tuner if there was any way to tune that out and he said “Not without going in to open loop”. I just wanted to check if that was really the case. It doesn’t bother me specifically but it does bother my wife and I don’t really like how it could attract the wrong kind of attention. I’m starting to consider going down to something without overlap (got my eye on BTR’s stage 1 223/230 .610/.573 115).
 

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Well that is what cams do. Gonna do it with 0 overlap. Could be the tuner just added too much fuel overall but its still gonna happen.
 

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Discussion Starter #3
Yeah, that makes sense. My cam has 2 degrees. The one I was considering switching to has -1.75 so I’m guessing would smell a bit better without too much loss of performance.
 
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