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flip your top dog bone mounts 90*, po mans poly mounts

I run no O2 sensor on most of my 3800s.

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Originally Posted by darkhorizon

I run no O2 sensor on most of my 3800s.

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Their talking upper 02 sensor man. You cant run these engines without one. Lower yes but upper NOOO!!!

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Originally Posted by GOTIT4CHEAP16

Their talking upper 02 sensor man. You cant run these engines without one. Lower yes but upper NOOO!!!

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that's what you think.

it can be done, but is not recommended unless you know what youre doing.

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Originally Posted by Bio248

that's what you think.

it can be done, but is not recommended unless you know what youre doing.

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Hmm didnt know that. I was always told the upper 02 is one of the most important part of the engine.

Taht's because ti controls fueling.

I've zip tied that front sensor to an alt bracket and sent a buddy to an exhaust shop to get the O2 in SD's bent slightly to keep from bashing the firewall.