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Hello everyone. New here and this is my first post. Be gentle .
I am getting tuned on 9-8, at Cobb/Plano, for corn. I have been doing some more research and stumbled on this scientific paper discussing ethanol content of various blended fuels in respect to knock, etc.
My question is: Is there any validity to this in regards to, say, tuning for E70 and then filling with E77, etc? Is the scare of knock, due to ethanol blend changes, on our cars being overly hyped?
Basically I only have E70 available to me year 'round and thus this is what I will be tuned with. But what if I get some higher ethanol later on down the road without knowing?
Thanks for all of your help!
http://delphi.com/pdf/techpapers/2010-01-0619.pdf
I am getting tuned on 9-8, at Cobb/Plano, for corn. I have been doing some more research and stumbled on this scientific paper discussing ethanol content of various blended fuels in respect to knock, etc.
My question is: Is there any validity to this in regards to, say, tuning for E70 and then filling with E77, etc? Is the scare of knock, due to ethanol blend changes, on our cars being overly hyped?
Basically I only have E70 available to me year 'round and thus this is what I will be tuned with. But what if I get some higher ethanol later on down the road without knowing?
Thanks for all of your help!
http://delphi.com/pdf/techpapers/2010-01-0619.pdf