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> AFR Sensor Location....
MikeM
post Mar 27 2020, 12:19 PM
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Hi all...
I'm still thinking I should be using an AFR gauge in my modified and carb'd 2.0 liter.
Any new thoughts or info regarding the location of the sensor?
I'm using stock heat exchangers and banana muffler. I have a Bursch type exhaust as well but prefer the stock system.
Also, is the PLX still the recommended system to use?
Thanks in advance...and stay safe everyone.
Mike
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Mark Henry
post Mar 27 2020, 01:14 PM
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The absolute best would be to weld a tube between two of the runners just before the muffler flange, then weld a bung on top of the tube. Then you are running off of 2 cylinders which is enough for tuning.

Problem with running it in the muffler is it doesn't get hot enough and you won't get an accurate reading. I consistently see around a 100 degree difference between the exchanger/header and the muffler temps.
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MikeM   AFR Sensor Location....   Mar 27 2020, 12:19 PM
rjames   I've been happy with my PLX unit. I only bough...   Mar 27 2020, 12:35 PM
Mark Henry   The absolute best would be to weld a tube between ...   Mar 27 2020, 01:14 PM
MikeM   Thanks Mark...   Mar 27 2020, 01:16 PM


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