Quote:
Originally Posted by steve99
IAM of 1 means you have very low levels of knock
IAM of .7 means you have some knock and the ecu is managing this by reducing the ignition timing over the entire rpm range the stock tune will knock generally knock more and have a lower iam than this, seen stock cars in south africa with iam of 0.2
this happens on 91 fuels you can have a read of the knock correction links below and the tune tweaks thread
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Thanks, I'll start logging and check out what can be done with it
Quote:
Originally Posted by D_Thissen
Which 91 are you using?
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ESSO 91 this time, I switch back and forth between ESSO and Shell.