Posts: 243
Location: South Central Wisconsin | VMS - 4/30/2014 7:59 AM
Hiya,
I would disagree with that statement Randy.
The higher the octane only creates a smoother, more consistent burn...it does not give you any more performance out of your engine. What it does do is reduce the potential of detonation in higher compression engines. That is why in engines that have been modifed at the block (shaved heads, building a modified engine for displacement, etc.), the higher octane is used to prevent pre-ignition (i.e. detonation) which will vastly reduce the life of the engine.
Many of the outboards today are designed to run on 87 octane fuel. Putting higher octane in might help it run smoother, but there is no performance gain for running it.
Steve That could be Steve. I was told that the "minimum" required gasoline for my rig was the 87. No more than 10% ethanol. I was then told to run the high octane for best performance. Then, I go to Merc's website and they recommend 87. Wth? Lol |
