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Mobil 1 15W50 vs 20W50 Synthetic

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Old 06-12-2007, 02:05 PM
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Default Mobil 1 15W50 vs 20W50 Synthetic

It's getting harder to find the 20W50 on the shelf lately. Any problems with going to the 15W50?
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Old 06-12-2007, 03:26 PM
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What mills? It has served me well for many years in my engines. Currently running it in a 496 MAG.
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Old 06-12-2007, 04:04 PM
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http://store.avlube.com/mob1vtwinair1.html
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Old 06-12-2007, 05:00 PM
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I used Mobil1 15/50 for years and so did the prior owner.
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Old 06-12-2007, 07:33 PM
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using olny 15 50 mobil 1 in two 800 blower motors .
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Old 06-12-2007, 08:22 PM
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300 hours 15/50 Mobil 1 in 454 mags, no problems.
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Old 06-12-2007, 10:19 PM
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Any luck breaking a motor in with Synthetic??
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Old 06-12-2007, 11:17 PM
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None that I know of. Boat had over 20 hours on it when I bought it from Majic Float. (It was Formula's photo shoot boat) I don't think yjey were running synthetic. I have 110 hours on it now and still running strong. I've been using 20w50 since new but it's getting harder to find. Change oil every 30-35 hours. I have no problem going to 15w50. Thx.

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Old 06-12-2007, 11:29 PM
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I've been running Mobil1 15w50 for 6 years in two boats. Its great stuff.
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Old 06-12-2007, 11:39 PM
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15W50 it is!!!!! Thanks.
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