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Discussion Starter #1
how far away from the turbo should the o2 sensor be on the exhaust???
 

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Beyond old
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4,068 Posts
I like to be at least 12" down stream.
 

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my special ruler even in the cold showed 12".
 

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18" is a good starting point. Make sure it's mounted topside close straight up and down also.
 

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Custom Engine Shop
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How long is the down pipe?
 

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Then 6 or 8" would be a good start! lol. We always burn them too fast going much closer than 18".
 

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385 Posts
6" from the turbo is fine. Ive ran it this way for 8 years on different setups and never hurt a sensor.
 

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just remeasured mine. 8" from the flange where the alum connects to the back of the turbo.
 
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