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Dec 30th, 2023
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 Synthetic oil
#8149465
10/24/12 07:39 PM
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Joined: Mar 2009
Posts: 53
ma1950
OP
Outdoorsman
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OP
Outdoorsman
Joined: Mar 2009
Posts: 53 |
Can someone tell me if there would be a problem in mixing semi-synthetic oil with full snythetic in the same outboards oil reservoir.I want to change to full synthetic but I don't want to drain the reservoir if I don't have to.
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Re: Synthetic oil
[Re: ma1950]
#8149518
10/24/12 07:54 PM
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Joined: Apr 2009
Posts: 1,095
Texguy02
Extreme Angler
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Extreme Angler
Joined: Apr 2009
Posts: 1,095 |
Run the tank as low as possible and then add the new oil. Should be fine from there.
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Re: Synthetic oil
[Re: ma1950]
#8149522
10/24/12 07:55 PM
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Joined: Jan 2009
Posts: 50,023
fouzman
Methuselah
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Methuselah
Joined: Jan 2009
Posts: 50,023 |
Don't mix. Get the oil reservoir as low as possible before switching over to full syn.
"Things turn out best for those who make the best of the way things turn out" - Zachary Troy Schrah - a young man with vision far beyond his years.
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Re: Synthetic oil
[Re: ma1950]
#8149525
10/24/12 07:55 PM
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Joined: Apr 2008
Posts: 3,906
JPost
TFF Team Angler
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TFF Team Angler
Joined: Apr 2008
Posts: 3,906 |
Follow whatever the manufacturer specifies for your engine. I assume you've got a 2 cycle, it's not something you want to play with.
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Re: Synthetic oil
[Re: ma1950]
#8149556
10/24/12 08:03 PM
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Joined: Sep 2006
Posts: 2,877
Tracker Tim
Extreme Angler
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Extreme Angler
Joined: Sep 2006
Posts: 2,877 |
I ran mine low and switched when Mercury decided to change the recommended oil for the Pro XS.
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Re: Synthetic oil
[Re: ma1950]
#8149578
10/24/12 08:11 PM
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Joined: Dec 2003
Posts: 21,297
fishmagnet
TFF Guru
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TFF Guru
Joined: Dec 2003
Posts: 21,297 |
I ran my oil res tank down fairly low and then mixed in a gallon of Pennzoil Full Syn.
That was over eight years ago, no problem!
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Re: Synthetic oil
[Re: ma1950]
#8151268
10/25/12 03:28 AM
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Joined: Dec 2010
Posts: 723
okbassforum
Pro Angler
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Pro Angler
Joined: Dec 2010
Posts: 723 |
I think you guys are way over thinking this. Synthetic and non synthetics mix fine AKA synthetic blends. If you are running a synthetic blend and going to full synthetic you won't have any issues mixing it in. The only reason to run the tank low is to know when you are at 100% synthetic instead of a lesser percentage.
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Re: Synthetic oil
[Re: ma1950]
#8151284
10/25/12 03:35 AM
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Joined: Dec 2003
Posts: 36,291
Allison1
TFF Guru
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TFF Guru
Joined: Dec 2003
Posts: 36,291 |
I would not run full synthetic in a regular motor.
That is on the advise of a Jay Smith.
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