LT1-LT4 Modifications 1993-97 Gen II Small Block V8

o2 Sims?

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Oct 27, 2017 | 01:20 PM

#1

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o2 Sims?

Hey all, i've been searching for some rear o2 sims for my '96 lt1, can't seem to find any anywhere. Anyone know where I can find some?

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Oct 27, 2017 | 04:12 PM

#2

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From: Gilbert, AZ

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They were banned a while back from what I hear. You will have to get the pcm programmed by a tuner that can take out the code from the pcm.

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Oct 27, 2017 | 04:54 PM

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There is more to it than that if he has no Cats.

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Oct 30, 2017 | 06:45 PM

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platinum performance

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Quote:

Originally Posted by Ed Wright

There is more to it than that if he has no Cats.

isnt it also neccessary to tune the 02 sensors out as well?

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Oct 31, 2017 | 01:55 PM

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From: Houston

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Quote:

Originally Posted by platinum performance

isnt it also neccessary to tune the 02 sensors out as well?

Not for the rear O2's. The simms send a dummy signal back to the computer.

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Nov 3, 2017 | 06:38 PM

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Quote:

Originally Posted by Gangly

Not for the rear O2's. The simms send a dummy signal back to the computer.

Those sims don't take care of everything. Won't shut down COT Mode, nor post O2 sensor effect on A/F corrections. That is all in the calibration. The only correct way is proper calibration changes.

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