Ski Boat Forum
Repairs and Maintenance => Engine Repair/Maintenance - All Ski Boats => Topic started by: footinmichigan on May 18, 2013, 08:36:44 PM
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Hi-
Simple question...what is the best type of oil (manufacture, weight, etc) to use on my 1982 Ford Commander 351? Thanks!
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Ask 10 experts & you will get 10 answers on this one. Synthetics are great for high heat, high RPMs, your engine does neither. If your are a typical user, 40-60 hrs per season I don't see the need for synthetics if changed annually. In my boat I use a 20-50 weight non synthetic (brand of your choice) with a bottle of STP added
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Great Ron, thank you. I used 20-50 weight, non synthetic in my '81 Ski Supreme with a PCM 302 and it worked fine. I found that when I used a lighter weight oil., that 302 did not work as good as when it was on te 50 weight.
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for years I mowed my lawn with '67 wheel horse that had a cool chrome stack. I ran dyno 20/50 in for a while then I changed to synthetic :) what I noticed most was I didn't stink like burning oil any more, so for the old girls with heavy hours I'll suggest synthetic just so they don't get a blue plume when they fire it up
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i agree with midskier the 1300 hour cloud behind my boat on startup was a lot less when i switched to synthetic but a rebuild i think is still in the works for a season or two from now, i'm wondering is it true that once you go to a synthetic you can't go back and if so why?
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I'm using a 10/40 non synthetic in my commander 351.
Is a 20/50 better?
I don't have a blue plume when I start it up.
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I use 15W50 Mobil One full synthetic... cause thats what I use in my car!! 8) Oil is the cheapest insurance you can buy... even the expensive stuff.