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Old 11-10-2008, 07:04 PM   #6
breezeby
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Member#: 132658
Join Date: Nov 2006
Chapter/Region: South East
Location: jacksonville
Vehicle:
07 TR vf39ed
RomRaided!!!! Oh Yeah!!

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Quote:
Originally Posted by wrxsti.l View Post
Most tuners (and dynos) put a removeable WB02 sensor in the tail-pipe during tuning/logging/dyno. I have compared my LC-1 directly behind my turbo to a WB02 in the tail-pipe and there was almost no difference in actual AFR - however, there was a definate difference in response.

At a constant throttle, AFR is almost exactly the same, a quick stab of the throttle will show the difference in response - and the WB02 in the tail pipe felt about half a second behind.

Saying that, many reputable tuners have and still do tune with the WB02 in the tail-pipe, so it can't be as bad as it is perceived to be - can it?
Yeah I wish someone would just test it after the cat and before the cat. But I guess I am just getting the o2 bung welded on the DP
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