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MRC-5.56 MRC-5.56 is offline
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Posts: 28
Join Date: Sep 2017
Car: future 335i
Default 03-30-2020, 10:19 AM

Curious about the flexfuel with JB4 also. I just purchased the E85 analyzer with new fuel line and the Motive flex fuel box. Does the JB4 with FF firmware and FF backed flash adjust port injection duty cycle based on ethanol content? or would the user have to make port injection setting changes manually for various levels of ethanol content?
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