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gas
#2085791
06/04/16 11:52 AM
06/04/16 11:52 AM
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Joined: Jun 2005
Posts: 6,257
gulfport, ms, west mi
rowin4
OP
master
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OP
master
Joined: Jun 2005
Posts: 6,257
gulfport, ms, west mi
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On a pump gas motor 10:1 what would be the difference in 90 octane straight gas to 93 10% etholnol . Would a octane booster be needed to bring up the 90?
it's ok to butt heads, just don't do it with a butthead
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Re: gas
[Re: rowin4]
#2085799
06/04/16 12:02 PM
06/04/16 12:02 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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No...remember that ethanol is higher octane than the gas itself... the only difference is the amount of fuel that would be consumed..if it was E-85 it takes 30% more to bring it up to the same BTU 
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Re: gas
[Re: Scott440]
#2086687
06/05/16 10:08 PM
06/05/16 10:08 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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He's talking about just 10% ethanol. A lot of gas already has this level of ethanol. That's just normal gas.
If I had a tune for 93 octane, but found myself having to put in something like 89 octane, then yes, an octane booster is better than nothing. If the booster is supposed to approximate 100, then 93 should be easy. If you still get pinging, get a different booster. I know what he is talking about... he needs NOTHING to equal 90 octane
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