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GB Cerato GB Cerato is offline
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Posts: 35
Join Date: May 2021
Car: 2019 Cerato GT
Default E85questions - 08-19-2021, 11:33 PM

Since I now have the fuel wire installed and I have found a station that sells E85 I would like to run some sort of blend.

From what I have read up to E30 is acceptable on Map 3? Is that correct?

To figure out how much E85 to add once needs to use a calculator like this one?


Does the E85 display in the JB4 app measure the percentage accurately?

Should I be looking for anything in particular in the logs that I don't normally see or look for?

Thanks again everyone.
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AWDGT2 AWDGT2 is offline
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Posts: 595
Join Date: Aug 2020
Car: 2019 AWDGT2
Default 08-20-2021, 09:37 AM

Run E27-30 in map1, take a log, then Map2, take a log, Map3, take a log....
You can but the Fuel it sensor from the BMS site as an add on and yes the App will then display the E content flowing through the HPFP. The install takes about 15 min and is worth it.
I opted to purchase the separate fuel it app and it has a few more things in it than the built-in one from JB. Like Fuel temperature, and a handy mixing calculator built right in.

This is the online calculator that I use Ethanol % Calculator - Brew City Boost
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