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SteveM C/IL 
Orange Level Access
Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8168
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 Topic: Unleaded 88
Posted: 6 hours 6 minutes ago at 11:31am |
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Casey's has regular 87 octane gas and something they call unleaded 88 which is cheaper. The other day they were 3.29 VS 3.14. I'm guessing the 88 has more alcohol? Mostly wonder if I can put it in a 2000 Bonneville and be ok.
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Lars(wi)
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Joined: 14 Sep 2009
Location: Permian Basin
Points: 7097
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Posted: 5 hours 56 minutes ago at 11:41am |
 SteveM C/IL wrote:
Casey's has regular 87 octane gas and something they call unleaded 88 which is cheaper. The other day they were 3.29 VS 3.14. I'm guessing the 88 has more alcohol? Mostly wonder if I can put it in a 2000 Bonneville and be ok. |
I would say, DON’T DO IT! at least until you know for certain the alcohol content is no more than 10%. Automobiles of that vintage were not designed for fuel above 10% alcohol.
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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Lars(wi)
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Joined: 14 Sep 2009
Location: Permian Basin
Points: 7097
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Posted: 5 hours 53 minutes ago at 11:44am |
SteveM C/IL wrote:
Casey's has regular 87 octane gas and something they call unleaded 88 which is cheaper. The other day they were 3.29 VS 3.14. I'm guessing the 88 has more alcohol? Mostly wonder if I can put it in a 2000 Bonneville and be ok. |
I would say, DON’T DO IT! at least until you know for certain the alcohol content is no more than 10%. Automobiles of that vintage were not designed for fuel above 10% alcohol.
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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jiminnd
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Joined: 16 Sep 2009
Location: Rutland ND
Points: 2229
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Posted: 5 hours 18 minutes ago at 12:19pm |
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Everything I read says it is safe in 2001 and newer. It is supposed to be 15% or less ethanal.
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1945 C, 1949 WF and WD, 1981 185, 1982 8030, unknown D14(nonrunner)
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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
Points: 80290
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Posted: 4 hours 59 minutes ago at 12:38pm |
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Like them all, but love the "B"s.
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Clay
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Joined: 11 Sep 2009
Location: Udall, Kansas
Points: 9250
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Posted: 4 hours 33 minutes ago at 1:04pm |
I burn ethanol free gas in my car because I get 4 MPG more than E10. Ethanol free gas sells for a higher amount per gallon than E10 gasohol but the miles per $ is more economical with pure gasoline.E10 has less BTUs than pure gasoline. E10 will clean out the gum and gunk in fuel systems but is hard on plastic and rubber fuel lines, in older vehicles and equipment.
BIO-diesel blends are NOT GOOD for long term use in diesel engines. Today's low sulpher diesel fuel lack lubricity and need additives to protect fuel systems from excess wear.
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8168
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Posted: 2 hours 29 minutes ago at 3:08pm |
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Pure gas is almost nonexistent in IL. One station in town started carrying it over a year ago. It is over $1 gallon higher the E10. Not sure that computes on 24mpg car.
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