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SteveM C/IL 
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8173
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 Topic: Unleaded 88
Posted: 02 Oct 2024 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: 7106
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Posted: 02 Oct 2024 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: 7106
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Posted: 02 Oct 2024 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: 02 Oct 2024 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: 80372
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Posted: 02 Oct 2024 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: 9254
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Posted: 02 Oct 2024 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: 8173
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Posted: 02 Oct 2024 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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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
Points: 80372
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Posted: 02 Oct 2024 at 11:01pm |
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I live in Illinois... Bought a NEW F250 in 1989 ... Ran its whole life on E10... thats about all we got in Illinois... Ran that truck, then two more 250K miles each on E10.... My NEW truck is now at 100K miles..
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Like them all, but love the "B"s.
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Lars(wi)
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Joined: 14 Sep 2009
Location: Permian Basin
Points: 7106
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Posted: 03 Oct 2024 at 12:11am |
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In the area of Texas where I live, pure gasoline runs about. 50-70 cents per gallon higher than 87 octane regular unleaded(10% alcohol). Some Allsup’s Convenience Stores sells the ‘ethanol free’ gasoline, and some Walmart(Murphy) also has it. I generally use it in my 1995 Suburban, because at times that vehicle may set for a month or more between starts, and with the Texas heat I figure the gas wont ‘age’ as fast. I get about 2 to 3 mpg better on the ethanol free gas in that old beast.
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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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WF owner
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Joined: 12 May 2013
Location: Bombay NY
Points: 4607
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Posted: 03 Oct 2024 at 6:39am |
The only ethanol free gas available in our area, which I run in a lot of my older small engines, is "super" and costs anywhere between 80 cents and a dollar more that E-10 regular.
Many stations have removed their ethanol free signs from their pumps over the last few months, because their suppliers have quit handling ethanol free. When I asked why, I was told there is just not enough demand for ethanol free gas.
I now have to go to a different station to get ethanol free and there are getting significantly fewer local stations handling it.
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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
Points: 80372
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Posted: 03 Oct 2024 at 8:13am |
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I run 10% in the lawn mower, tractors, chainsaw, post hole digger, tree trimmer, 4 wheeler, side by side and everything else around here... Been doing that for 35 years.
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Like them all, but love the "B"s.
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ekjdm14
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Joined: 20 Aug 2024
Location: Manchester UK
Points: 91
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Posted: 03 Oct 2024 at 12:32pm |
We've had Ethanol in the UK since 2008, first at 5% and "super" was ethanol free mostly. Now our only options is E10 regular and E5 super, only issues it's caused us is worse fuel consumption on injected engines & having to retune carbs with the same result of worse consumption on everything else.
That and it's harder on rubber lines/seals etc but nothing that I'd call a significant problem (mostly works till the part is disturbed & then won't seal again, but then it's good practice to replace things like o-rings when disturbed anyhow).
I do wish we could get ethanol free though for our small engines at least, since these tend to sit up more but even then it's not really the fuel going stale that's a problem, more the moisture the alcohol attracts.
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allischalmerguy
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Joined: 11 Sep 2009
Location: Deep River, IA
Points: 2875
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Posted: 2 hours 17 minutes ago at 3:32pm |
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Not every vehicle 2001 or newer will burn E88 and be ok. So do your research on the vehicle you have.
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It is great being a disciple of Jesus! 1950 WD, 1957 D17...retired in Iowa,
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ekjdm14
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Joined: 20 Aug 2024
Location: Manchester UK
Points: 91
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Posted: 1 hour 40 minutes ago at 4:09pm |
allischalmerguy wrote:
Not every vehicle 2001 or newer will burn E88 and be ok. So do your research on the vehicle you have. |
I'd be interested to know any examples of these vehicles & what issues it causes with them.
Never had a problem with any of ours here in the UK & we've owned almost exclusively '90s thru about 2003-models, probably about 15-20 different vehicles (petrol engines at least, diesels tend to stick around more here).
Just wondering out of interest what problems it can/has caused.
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