hemicat

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I also use Husky 94 when I can get it. I think there are only two stations left in Saskatoon that have it. Shell V-Power always otherwise.

I ran the Husky 94 for the first 2 summers I had my car. I love how it ran using it. Had no issues. Especially those August summer evenings when the temp is around 16-20 degrees. My car runs the best ( I think ) in that temp window. One of my quirks I guess. I don’t care much for hot weather driving. C6 Zs are a sauna and I’m not much for A/C.

The last 2 summers have been Shell 91. I like it but notice a difference. Going to use the Chevron 94 in BC this summer.
 
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Music

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At the time that the fuel switched over the midgrade & regular blends to E10 ethanol I immediately started noticing major amounts of condensation under the oil cap.

This is particularly a problem during the winter months as it has a tendancy to freeze after the car has shut off, causing damage to components in the cylinder heads. The premium blend from CO-OP did not produce any condensation and the engine oil and coolant ran at about 5degC higher operating temperature.

However, nowadays the only station in some small cities offering a non-ethanol fuel is CO-OP and that just isn`t practical as far as supply goes.

Regarding small engines and ethanol, I had the same results after storage with either using ethanol or non ethanol fuel prior. . . The following season the snowblower would not start. After localizing the issue to gas starvation by removing the plug and adding some fuel into the cylinder prior to starting, a teardown of the carburertor yielded a bowl of blackened gas in addition to a caked up jet. The jet appears to be made of brass (which is 75% copper) and the cake inside the jet appears to be greenish white (copper sulfate). Presumably the oxidation was catalyzed by the fuels, but this I ruled is a design flaw as it concerns the metallurgy of the jet. Note that I also have a Briggs & Stratton lawnmower that never had this problem once in 30+ years with the same gas.
 
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Cariboocreek

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Is Ethanol a problem for our Corvettes and at what percent is this an issue?
Should we avoid it or?
Avoid whenever possible. Do not store the vehicle with fuel that has ethanol.
 

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Someone recently asked me `Where does water come from?`

As my mind was preoccupied with astronomy, particularly dead planets at the time, I quickly replied `algae`, based on the fact that it produces oxygen which is a necessary component of water.

However, all combustion produces water as a byproduct which includes both hydrogen fuel cells and combustion engines. So I guess I should revise my answer with algae, then trees, and then man.
 

Rruuff Day

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I emailed Costco last week and asked them that exact question and the answer was no ethanol in premium fuel.
To be totally critical (which I may be at times...lol) I have seen any number of several fuel suppliers tankers and also independent tankers filling Costco storage tanks. I'm not convinced that at any given time, they have any idea whether their fuel may have ethanol in it or not. Thus the reason I have never gassed up at Costco.
 

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