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AFR sensor on a Monza style muffler?
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orwell84
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PostPosted: Sat Aug 12, 2017 10:26 am    Post subject: AFR sensor on a Monza style muffler? Reply with quote

I know this isn't the ideal setup as I would only be able to get readings for 2 cylinders. I was wondering where I should place it and if it would give me any worthwhile readings for tuning/jet selection. I know a collector style exhaust is probably better suited for this, but my current muffler is working well enough at the moment.

Thanks for the help
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aerosurfer
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PostPosted: Sat Aug 12, 2017 1:00 pm    Post subject: Re: AFR sensor on a Monza style muffler? Reply with quote

I put mine only on the 3/4 side as I wanted a hotter exhaust reading and not in the muffler.

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You can read my whole install write-up here:

https://www.thesamba.com/vw/forum/viewtopic.php?t=676774&highlight=
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Last edited by aerosurfer on Sat Aug 12, 2017 3:40 pm; edited 1 time in total
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orwell84
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PostPosted: Sat Aug 12, 2017 1:21 pm    Post subject: Re: AFR sensor on a Monza style muffler? Reply with quote

Thank you, that's a big help. Did you have to add additional wiring to get the gauge to reach the dash, or was it long enough. I would imagine that it would be possible to lengthen the harness to the gauge provided the right gauge wiring was used. It's not like a CHT gauge.
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aerosurfer
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PostPosted: Sat Aug 12, 2017 1:26 pm    Post subject: Re: AFR sensor on a Monza style muffler? Reply with quote

read my whole thread linked above. i show how i wired and stored everything. On the Innovate brand AFR gauge i used. you dont have to run the O2 cable all the way forward. Its very straightforward
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orwell84
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PostPosted: Sat Aug 12, 2017 4:11 pm    Post subject: Re: AFR sensor on a Monza style muffler? Reply with quote

Got it. Thanks! My Innovate unit plugs the O2 sensor directly to the gauge. Of course it is not long enough so I will have to buy an extension.
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