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      01-30-2013, 05:50 PM   #21
CT335xi
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Drives: e90 335xi, evo 8, gmc syclone
Join Date: Dec 2011
Location: Naugatuck,Ct

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Quote:
Originally Posted by Ænema View Post
Knock has nothing to do with the timing reductions that are occuring due to CATs. Even if you timing corrections are zero across the board but your CATs are north of ~105F then you are losing some serious timing, all the octane/cylinder cooling in the world isn't going to help. I think that would help to explain the great ETs but the lowish trap speeds you were seeing. Get the CATs down and you've got an 11 second car
Let me ask you a question, what are CATs? Is that the same as IAT's? Well if it is then your telling me that if your IAT was as high as 180 deg. that the timing corrections had nothing to do with det. or knock? I'm not saying the car was knocking, but the whole idea of the timing corrections is to prevent knock right? An the point I was really trying to make was that the e85 benifited him more then say 93 octane by itself where even more timing would of been pulled.
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