Looking at Knock in Data Logs
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From: 2003 Evo VIII - Silver
Originally Posted by fullboost
Reminds me of the time that he was telling Dave Buschur that running the wastegate off the exhaust manifold was going to hurt performance. In theory, I suppose. In the real world, doesn't matter.
I wouldn't worry about it Al. You've got alot more people that have been tuned by you that are quite happy with the results, than those that aren't. Including me.
I wouldn't worry about it Al. You've got alot more people that have been tuned by you that are quite happy with the results, than those that aren't. Including me.
This is a SAFC tuned car of a fairly famous so cal evo person - (name witheld) that I was logging for reference
Notice the giant spike of knock - green - that coincided with a nasty audable knock - it also pulled his timing down to next to nothing.
I beleive the green spike helps you tune by specifically identifying the point of the knock - rather than driving around with head phones on - watching the a/f and trying to remember what rpms you hera the knock
My main point is that any knock events the 12 logs a second misses can be heard
BTW - NOTHING in my tuning alters the factory knock protection - it is not "buffered" reduced or adjusted in any manner
From what I have garthered the Exede does alter the factory knock sesnor - a risky proposition in my opinion
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From: 2003 Evo VIII - Silver
BTW - that car above was the strongest I have driven on 91 octane and it picked up a full 1/0th of a G across the power band with a flash tune. More power, less engine knock = a happy customer.