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#1 |
Registered User
Join Date: Sep 2017
Location: Center Point, Iowa
Posts: 82
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Gas confusion
'72 C10 with a 350. Mild cam. Located in Iowa (lots of ethanol) What gas should I use?
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#2 |
Registered User
Join Date: Sep 2011
Location: Ark City, Kansas
Posts: 3,332
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Re: Gas confusion
If possible, use non ethanol, if not use the smallest percentage of ethanol gas, as possible. The insides of carburetors and rubber hoses, do NOT do well when exposed to ethanol...
If you have a quadrajet carb, Cliff sells ethanol resistant parts (www.cliffshighperformance.com) |
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#3 |
Registered User
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Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,008
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Re: Gas confusion
Here in Iowa too- I run non-ethanol in all my small engines and in my older vehicles. Usually Kwik Star has it in Premium only and possibly Casey's as well but I haven't been to one lately. I've ran the E-10 without an issue but run that out before storing for any period of time.
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'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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#4 |
Registered User
Join Date: Jul 2016
Location: Deerfield IL
Posts: 108
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Re: Gas confusion
Pretty sure federal mandate is a minimum 10% ethanol nationwide. I haven't seen non-ethanol blend anywhere in the midwest for a long time. As for regular, premium, etc., my stock '70 350 has 120k miles and runs fine on 87 octane. I would avoid E85 and others blends that are more than 10% ethanol. Although those are usually less expensive, you're milage will be lower, and the added alcohol can cause problems.
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#5 |
Registered User
Join Date: Sep 2017
Location: Center Point, Iowa
Posts: 82
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Re: Gas confusion
It was suggested that I use premium, not for the octane but because it has a lesser amount of ethanol. Not sure if that's correct. I haven't checked, but wonder if the percentage of ethanol is displayed on the pumps.
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#6 |
Senior Member
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Location: Orem, Utah
Posts: 7,903
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Re: Gas confusion
Premium has the same ethanol content. The only thing that changes are the additives.
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I have sworn upon the altar of God, eternal hostility against every form of tyranny over the mind of man. - Thomas Jefferson |
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#7 | |
All about them K’s
![]() Join Date: Jun 2014
Location: Land of Entrapment
Posts: 6,374
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Re: Gas confusion
Quote:
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Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 315/75/16's ‘87 IROC-Z all original 50K mile survivor TPI 305 IROC Blue ‘10 Camaro 2SS/RS Aqua Blue Metallic #93 -version 2.0 ![]() |
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#9 | |
Senior Member
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Location: New Madison, Ohio
Posts: 21,365
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Re: Gas confusion
Quote:
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A husband can be right...or...A husband can be happy. ![]() 67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk. ![]() 1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc ![]() ![]() JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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#10 | |
Registered User
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Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,008
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Re: Gas confusion
Quote:
https://www.kwiktrip.com/our-story/fuel And if you can't make up your mind theres always this pump. This is at a station up in northern Minnesota.
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'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com Last edited by MJN; 08-14-2020 at 02:45 PM. |
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#11 | |
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Location: Jurupa Valley, Ca
Posts: 1,210
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Re: Gas confusion
Quote:
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Terry 1970 Custom Camper/C20 , GM Crate 350/7004R, Dana 60, factory AC |
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#12 |
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Location: Vancouver, Washington
Posts: 1,644
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Re: Gas confusion
Lucky to have a station with non ethanol premium nearby. Just bought some at $3.89 a gallon.
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1968 Chevrolet C/10 LWB - 327, TH350 - 4/5 Drop |
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#13 |
Senior Member
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Location: Wisconsin & Arizona
Posts: 4,844
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Re: Gas confusion
In Wisconsin I can get mid-grade (89) and premium (91) without ethanol at Fleet Farm. Their regular (87) has 10% ethanol. I use the 89 in lawnmowers, boats, chainsaws, etc., and the 91 in the truck and a couple cars that require premium.
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Jim |
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#14 |
Registered User
Join Date: Jun 2015
Location: Carlos MN
Posts: 2,042
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Re: Gas confusion
I run the no ethanol 91 octane in my hot rods. Paid $2.49 yesterday.
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#15 |
Senior Member
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Location: Gods country East,Tn
Posts: 8,545
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Re: Gas confusion
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![]() 1967 Factory short bed - Old school '71 - 350 / 4bolt / 487 heads / Edelbrock C3BX Muncie M-22 4 speed / Hurst Comp plus Factory 12 bolt posi 3.73 / 255-70-15 Smoothed firewall / Factory cowl induction Power disc brakes / power steering / 3.5-5" drop |
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#16 |
The Older Generation
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Location: Montezuma, Iowa
Posts: 25,483
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Re: Gas confusion
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Most of the Casey's around here have regular unleaded, or 10% Ethanol. They are both 87 octane. We don't have anything more than 87% that I know of. I use the regular unleaded with an additive in all of my old cars and trucks. LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#17 |
Registered User
Join Date: Aug 2018
Location: Columbus, Ohio
Posts: 69
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Re: Gas confusion
I purchase ethanol free fuel at either the small airport or the marina near where I live. This is what I use in all of my carbureted engines and I’ve never had any issues with the build up of deposits associated with ethanol fuel. I store my motors with this fuel and never use any additives like Sta-bil. Price is usually $.50 to a dollar more then gas station ethanol fuel.
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#18 |
Registered User
Join Date: Jul 2018
Location: Catskill Mountains,NY
Posts: 8,469
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Re: Gas confusion
Like been said before use non ethonal if available. If not use some stabil every fill up. Ethonal like all alcohols love to absorb water. And it's hard on aluminum and rubber .
We have non ethonal gas around me so I use that in my traucks and carbed vehicles and small yard engines. The pumps here say up to 10% ethonal so it could have none or 10%. Haven't seen the 15% here in NY but I have in PA . E85 is available
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Mark 72 c20 custom camper Husky edition, 66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark 1969 AMX , 1968 c20 stepside ,85 K20 1977 Suburban sold 68 anniversary. |
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#19 |
Registered User
Join Date: Sep 2011
Location: Ark City, Kansas
Posts: 3,332
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Re: Gas confusion
50 years ago my Dad was the proprietor of the Skelly Station at 903 Franklin (Was Highway 150 also, back then). Standard station was caddy corner fro my Dad's Station.
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#20 | |
Senior Member
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Location: Podunk, Texas
Posts: 748
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Re: Gas confusion
Quote:
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#21 |
Registered User
![]() Join Date: Dec 2012
Location: Vancouver, Washington
Posts: 1,644
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Re: Gas confusion
Another station started selling non ethanol just a mile away. Great to have 3 local choices.
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1968 Chevrolet C/10 LWB - 327, TH350 - 4/5 Drop |
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#22 |
Registered User
![]() Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,008
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Re: Gas confusion
I emailed Kwik Trip/Kwik Star directly about the ethanol content in the 91 Octane Premium- "At our locations, we have different blends of premium gasoline depending on the region the location is in."
"Both locations in Maquoketa are going to be Premium 91 Octane fuel with no ethanol added." Looks like the BP in Center Point has 91 octane Ethanol-free
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'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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#23 |
Senior Member
![]() Join Date: Oct 2013
Location: Garden City, GA
Posts: 295
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Re: Gas confusion
Ethanol blended fuel. Brought to you by the folks that also brought you :
Daylight Savings Time If our goverment ran a car wash, they would insist that vacuuming your carpet twice a day will make your engine run better. |
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#24 |
Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,503
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Re: Gas confusion
Some Conoco stations here in the PNW have 91 Octane non ethanol and that is what I run in my boat and my small engines. I'll run it in my 71 with the 500 Cad when it hits the road too. The engine will need premium with the early heads.
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Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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#25 |
Registered User
Join Date: Jul 2018
Location: Catskill Mountains,NY
Posts: 8,469
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Re: Gas confusion
I wont complain anymore about 2.69 a gallon for 91 non ethanol at Stewart's shops .
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Mark 72 c20 custom camper Husky edition, 66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark 1969 AMX , 1968 c20 stepside ,85 K20 1977 Suburban sold 68 anniversary. |
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