Newmindset
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- Boat Make
- Yamaha
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- 2022
- Boat Model
- AR195
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- 19
I have a turbocharged engine. Any try running avgas in their boat?
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Fuel
- Thread starter Newmindset
- Start date
Dixemon
Jetboaters Lieutenant
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Well, it has lead in it. I dont think it plays nice with oxygen sensors. It is however 100 octane. What are they up to now 7$ per gallon for 100LL?.
biffdotorg
Jetboaters Admiral
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One of the very few and rare Turbo charged AR195's? (I had to rib ya about that)
The best advice that ever comes up when this question comes up, and it comes up often, is put your opinions on fuel away and read your manual.
Put in what the MFG recommends for octane. And remind yourself that octane does not equate to "quality" It's what the engine is tuned for.
The manual also lists the amount of ethanol the engine was designed to handle as well, and avoiding ethanol or treating for ethanol for extended storage is recommended. Otherwise, under normal use, the engine and fuel system will have no issues with ethanol.
The best advice that ever comes up when this question comes up, and it comes up often, is put your opinions on fuel away and read your manual.
Put in what the MFG recommends for octane. And remind yourself that octane does not equate to "quality" It's what the engine is tuned for.
The manual also lists the amount of ethanol the engine was designed to handle as well, and avoiding ethanol or treating for ethanol for extended storage is recommended. Otherwise, under normal use, the engine and fuel system will have no issues with ethanol.
jdbakerucf
Jet Boat Addict
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agree with above... there will be no benefit of using higher octane than what the manufacturer recommends (see manual) unless you are also doing other modifications (increase boost, advancing timing, modified ECU tuning, etc...). However for a stock engine you will see no benefit as the higher octane rating doesn't equate to higher quality or performance, the Octane rating is simply a measure of the fuels ability to withstand pre-detonation. the higher the octane the more pressure and heat required to make the fuel combust... so if your engine doesn't require the higher octane then it won't do anything to help your engine, however if you use fuel with a lower octane rating than required you run the risk of the fuel combusting in the cylinder prior to the spark plug igniting it (detonation) and damaging your engine.
