I believe they installed in front of the mufflers because of higher exhaust temps and better combustion.
Why in the world do you feel the need to install a complex, unnecessary and possibly ineffective system to an already complex potentially unreliable
40+ year old coach?
Sully
Bellevue wa
> I’m getting ready to install my new exhaust system and am deciding
> where to place the thermasan injector I am fabricating.
>
> The thermasan installation instructions say to place the “Sanijector”
> before the mufflers. Right before the mufflers is going to be an O2
> sensor for my EFI install. My concern is that the thermasan operation
> may affect the O2 sensor reading which could cause issues during closed loop fueling.
>
> Ideally I’d have two O2 sensors, one for each bank of cylinders, but
> may just start with one. On the other bank I could put the sanijector
> to try and isolate it from the O2 sensor.
>
> Anyone have thoughts on this?
>
> I bought new ceramic coated headers (dougs) and want to use the
> preexisting O2 sensors in the collectors. Not much room between that
> and the muffler, maybe 12 inches at most.
>
> Is there any potential issue with placing the sanijector after the
> mufflers? Not hot enough? Wondering what the original motivation for
> installation before the mufflers was.
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
>
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Why in the world do you feel the need to install a complex, unnecessary and possibly ineffective system to an already complex potentially unreliable
40+ year old coach?
Sully
Bellevue wa
> I’m getting ready to install my new exhaust system and am deciding
> where to place the thermasan injector I am fabricating.
>
> The thermasan installation instructions say to place the “Sanijector”
> before the mufflers. Right before the mufflers is going to be an O2
> sensor for my EFI install. My concern is that the thermasan operation
> may affect the O2 sensor reading which could cause issues during closed loop fueling.
>
> Ideally I’d have two O2 sensors, one for each bank of cylinders, but
> may just start with one. On the other bank I could put the sanijector
> to try and isolate it from the O2 sensor.
>
> Anyone have thoughts on this?
>
> I bought new ceramic coated headers (dougs) and want to use the
> preexisting O2 sensors in the collectors. Not much room between that
> and the muffler, maybe 12 inches at most.
>
> Is there any potential issue with placing the sanijector after the
> mufflers? Not hot enough? Wondering what the original motivation for
> installation before the mufflers was.
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
>
------------------------------
Subject: Digest Footer
_______________________________________________
Gmclist mailing list -- gmclist List Information and Subscription Options:
------------------------------
End of Gmclist Digest, Vol 157, Issue 37
****************************************
