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e-85 ? #1081821 09/24/11 10:49 PM 09/24/11 10:49 PM
Joined: Aug 2008 Posts: 4,066 Mo. racerx OP master
racerx OP master Joined: Aug 2008 Posts: 4,066 Mo.	On a typical tune for e-70-80 which way do u jet for best performance is it up/down now that the weather is getting cooler.I can't seem to locate any true e-85 here in St.Louis P.S Anyone no of a station near the Lou. that has true e-85?Or have they all converted over to there winter blend?.....Thax.

Re: e-85 ? [Re: racerx] #1081822 09/24/11 11:05 PM 09/24/11 11:05 PM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	Quote: On a typical tune for e-70-80 which way do u jet for best performance is it up/down now that the weather is getting cooler.I can't seem to locate any true e-85 here in St.Louis P.S Anyone no of a station near the Lou. that has true e-85?Or have they all converted over to there winter blend?.....Thax. When you go lower in the E rating as in E-70, you have more gas and less alky... so its trying to be more like a regular gas.... you added 30% more fuel when you changed to E-85, so the lower the E you take jet out... but still jetting for MPH

Re: e-85 ? [Re: MR_P_BODY] #1081823 09/25/11 10:55 AM 09/25/11 10:55 AM
Joined: Aug 2008 Posts: 4,066 Mo. racerx OP master
racerx OP master Joined: Aug 2008 Posts: 4,066 Mo.	Is there a formula or some sort of way u can determine the octane rating in e-80 fuels?...........Thax.

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