What kind of gas to buy
I just bought a 2007 Malibu Wakesetter 23lsv (sweet boat, the family is so excited) and I am trying to figure out what kind of gas to put in it. The owner's manuel says 89 octane and recomends "Top Tier Fuel". That is all good but my question is ethanol or no ethanol? I hear a lot of bad things about puttng gas with 10% ethanol in your boat but from what I can tell Top Tier fuel has 10% ethanol in it. Sorry if I have repeated a thread but this is my new baby and I want to make sure I'm treating her right! Can anyone give me some advice on what gas to put in?
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I stay away from Ethanol, I put it in a harley on accident... Man I didnt think I would ever get that thing to quit knocking... So from then on I always Look @ the signs... I dont know about your boat just wanted to put in my 2 cents
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there are no places to get gas without 10% here so thats whats going in my boat...
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107 oct sunaco race fuel will firm up the wakes. its what they use on the pro tour
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107 Seriously!!! I wouldn't know where to buy the gas. 91 is what most of the gas stations have here, every once in a while I can find 92. From what I can tell the octance boost additives have their own pros and cons.
K Money - Do you have any problems with the 10% ethanol that you put in your boat? |
Just run whatever 89 rated fuel you can. It's better if it has 5% Ethanol or less. If you are at very high altitude you could run 87 rated fuel. You can always mix 87 and 91 rated fuel at 50% each and you've got 89 if you want.
107 fuel would hurt your gas mileage and reduce your horsepower output. I'll gladly take a bet that no one on the pro tour has even thought about running it. |
if it says 89 use 89
but e-10 89 you need 91! |
On a side note, how can you tell if the gas has EtOH in it? What we see here is, "May contain up to 10% Ethanol", and I guess you could assume it has ethanol in it, but how would you know for sure? Are certain brands more or less likely? With the exception of a few Sinclair stations, I think every gas station has that same sticker on their pumps in AR.
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they sell test kits
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lol i kill myself. hook line and sinker :D
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Matt. The engine in your Supra is fuel injected and the ECU will advance or retard timing as needed so the engine does not knock. If you had knocking, get that thing looked at. No modern engine should ever knock. I can't even think how that could heppen. I can get it to happen in a turbo charged car if I add too much boost and run too lean. I can't figure out how that could happen from ethanol.
Back to the topic at hand. We habe only 10% ethanol here in IL and WI and my last boat ran for 10 years on it and never had a single issue. |
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I find it ironic that NuBu is asking a question that nubu should be answering since its what he does for a living.
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ethonol is only bad when it is put in a fiberglass fuel tank like in a large boat. It has been shown to reek havoc on motors, but not in stainless or plastic tanks.
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If it has ethanol, be sure to add marine sta-bil.
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Darn Cory, how am I going to buy the new board if I can't get an easy bet. :(
It was a good one though.:) |
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Use the minimum recomended octane. That is what the engine is designed to run on. It all has to do with compression ratio, head design, and timing. If it calls for 89 octane minimum, run that. If you're running anything below the recommended octane rating, a modern engine can normally deal with that, but you're losing power because the engine is retarding the timing.
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Hate N Pain "it's what I do for a living"?? Not in the gasoline business. The responses have been very helpful though. From what I am hearing the answer is buy gas that is at least 89 octane (because that's what the owner's manuel says), buy from a quality retailer and don't worry about the 10% ethanol. Thanks everyone for all your help.
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According to Indmar anything w/ Ethanol less than 10% is fine. I have never found a performance difference between 87 vs 89 octane.
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The Cheap Stuff!
Never had a problem running 10% ethanol here in NE |
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