www.iFourWinns.com

Has anyone used "Lucas oil stabilizer" in their boat. I have used it for years in my big trucks but wonder if it will be useful with 40w oil. My boat is a 88 freedom 160 with no hour meter. It runs good, and I want to protect it so I can enjoy it for a few more years.

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1988 freedom 160 3.0

I use Lucas Fuel additives religiously in the boat, car, lawn mower. On my Full Size Bronco I used an oil additive for a few years. Upon tearing down the engine for rebuild (302 ci)I saw so much gunk and build-up in the rocker section I swore NEVER to use an oil additive again. I use straight synthetic on the boat and 'voy. My other fords will get plain Pennzoil 10W-40 (302 ci Roller/Rocker cam).

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Walt B
"Debt-Charged"
Black '07 H210SS
6.2L Bravo One turning a 21P HIFive
Wakeboard Tower with Perfect Pass Stargazer version
Missouri River; Kansas City, Mo.

I hear ya, but Ford 302 is know to get the in the head no matter what oil u run. I know in my diesels it worked.....I'm learning the boat thing

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1988 freedom 160 3.0

Just remember, a diesel lugs at pretty low turns; whereas a boat is usually in the 3k plus RPM range, depending on use. It's not uncommon for me to run 30 min or longer at 5000 RPM. Bear that and operating temp in mind when selecting viscosity.

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Walt B
"Debt-Charged"
Black '07 H210SS
6.2L Bravo One turning a 21P HIFive
Wakeboard Tower with Perfect Pass Stargazer version
Missouri River; Kansas City, Mo.

IMHO, the only oil additive I would use in a boat is alittle ZDT additive, if you have an older engine with cam/flat tappets.

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1997 Four Winns Vista 278
T - 4.3l EFI
Kohler 4esz Genset
379 hours as of 8/8/21