Ditto on that
Printable View
premium? ive never used premium in my boat...
89 is all you need. 91/92/93 is a waste of money.
many many many studies done on using premium in cars/boats/mc's that do not require it and you are wasting money. premium is only for high compression or force fed motors in most cases..
you can actually do more harm than good by burning higher octane than what the engine was designed for. it doesn't burn clean.
In my neck of the woods, we have 3 choices. 87 which i wont run in my boat. 91 Non Ethanol which is what i run. #2 Diesel for the rig.
If im not in my little town when i buy fuel for the boat its always 89 as thats what it says to put in it.
never used anything other than 87. never had a detonation issues that i know of. runs like a champ
Most ecus can retard timing enough to make up for lower octane gas. Mightbe leaving a few hp on the table tho..
rd, if you are using the recommended 89, you will not see any difference in the performance of the boat. seen enough sites that show it will have no noticeable benefits in the performance, especially since you're only source of data is "seat of the pants".
now internals are another story..
there's tons of websites out there that have facts stating both ways; that using higher octane fuels is ok and that using higher octane fuels can be bad for the internals in the long run.
I have no personal experience one way or the other, but I'll chose to save the coin and use what the manufacturer recommends. there's a reason they spec 89 octane for the boat and not 87 or 92/93.