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Old 03-09-2012, 05:05 PM
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Fellro Fellro is offline
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The highest gasoline can generally handle is around 10.5:1, while ethanol will run up to 12:1 effectively. That is why these multifuel vehicles fail, they can't change the compression to the fuel type. The only thing the multifuel vehicle s do is change the spark mapping, as well as compensate for the different O2 readings.

here is a link to the challenge:http://running_on_alcohol.tripod.com/id12.html
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Old 03-09-2012, 05:22 PM
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Quote:
Originally Posted by Fellro View Post
The highest gasoline can generally handle is around 10.5:1, while ethanol will run up to 12:1 effectively. That is why these multifuel vehicles fail, they can't change the compression to the fuel type. The only thing the multifuel vehicle s do is change the spark mapping, as well as compensate for the different O2 readings.

here is a link to the challenge:http://running_on_alcohol.tripod.com/id12.html
Thanks for the link. a lot of reading but it is interesting.
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