Posts: 202
Location: Angola, IN | You can easily and safely use any HDEO oil. HDEO = Heavy Duty Engine Oil.
It's 100% safe. Save yourself the time and energy and simply use this type of oil. These oils are typically used in diesel truck applications.
Here are a few that are sold almost anywhere (Walmart, Tractor Supply, etc.)
Rotella 15w40
Delo 15w40
Chevron 15w40
The only thing that makes an oil FC-W rated is a spray/corrosion test they perform on the oil in a laboratory. Nearly any oil would pass this test. There is nothing special or anything added to an FC-W rated oil. Believe me, I know. Few oil manufactuers are going to pay to have this test performed to sell it to boaters. Run a good diesel rated 15w-40 oil with SUPREME confidence. These oils are WAY better than marine grade oils anyhow. And if you want to run a synthetic, all these 15w-40 oils are conventional, but all the synthetics will be rated at 5w-40 and they will be sitting right next to the convetional bottles at Walmart.
These are the oils run in multi-million dollar yachts that cruise the salt water ocean. These are the same oils that are run on $500,000 boats on the Great Lakes.
They provide more than adequate corrosion protection. Probably better than a true "Marine Oil"....which is typically garbage oil to begin with. Any kind of marine oil that Mercury, Johnson, OMC, Yamaha, Honda, etc. on it.....is almost always sub-par oil compared what is actually out there and available.
Edited by SteveHulbert 5/6/2013 9:32 AM
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