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Old 09-26-2012, 10:35 PM
bbruzzese bbruzzese is offline
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Fuel additives

I've been using Seafoam additive in my fuel for the last couple weeks as the season winds down...engine seems to really like it. Anyone tried adding it to their oil? If so does it "dissolve" into the oil or displace some. For example would my normal 5+ qts become 5 plus the Seafoam? Thanks....
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Old 09-26-2012, 11:00 PM
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mikeg205 mikeg205 is offline
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Run it my car last 1000 miles before oil change and in my fuel - 2001 C320 Benz - runs much better with seafoam in gas - as a flush in crank case.

Change oil so often in boat don't need it crank case. I add Hy-Per Lube made by these guys listed in below link for extra wear protection on my flat tappet engine...

www.hyperlube.com + VR1 Synthetic 20w50

http://www.italmatch.it/cm/articoli/...chure%2001.pdf

And yes more fluid will displace oil yes 5+ but the seafoam will reduce viscosity a bit. Run it in my outboards they run very well season to season with it.
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Old 09-28-2012, 11:26 AM
bbruzzese bbruzzese is offline
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Thanks...any thoughts on Star Tron vs Seafoam as fuel cleaner/stabilizer?
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Old 02-01-2013, 10:36 AM
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ProStar200 ProStar200 is offline
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Quote:
Originally Posted by mikeg205 View Post
Run it my car last 1000 miles before oil change and in my fuel - 2001 C320 Benz - runs much better with seafoam in gas - as a flush in crank case.

Change oil so often in boat don't need it crank case. I add Hy-Per Lube made by these guys listed in below link for extra wear protection on my flat tappet engine...

www.hyperlube.com + VR1 Synthetic 20w50

http://www.italmatch.it/cm/articoli/...chure%2001.pdf

And yes more fluid will displace oil yes 5+ but the seafoam will reduce viscosity a bit. Run it in my outboards they run very well season to season with it.
What is the best way to use Sea Foam in an outboard? Was thinking of trying it out my 225hp Johnson Outboard. Any info would be great, thanks.
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Old 02-01-2013, 12:18 PM
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mikeg205 mikeg205 is offline
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Quote:
Originally Posted by ProStar200 View Post
What is the best way to use Sea Foam in an outboard? Was thinking of trying it out my 225hp Johnson Outboard. Any info would be great, thanks.
I pour it right into the fuel supply... Use the ratio's subscribed on the bottle.
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Old 02-01-2013, 12:24 PM
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orbeamlb orbeamlb is offline
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What is the best way to use Sea Foam in an outboard? Was thinking of trying it out my 225hp Johnson Outboard. Any info would be great, thanks.
I run a can each quarter in my 200 Merc to keep it clean. Brother also uses it on his 77 Erude 115. And it runs like a champ.
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Old 02-01-2013, 12:43 PM
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The good thing about that fuel additive is that you really cannot use too much as it is a byproduct of gasoline anyway. I have always used Seafoam in my boats but have found some relatively new stuff. Been on the market for a couple years or so I guess, called Formula X2.

http://www.formulax2.com/

It is supposed to do everything the other fuel additives do but it also allows any moisture that ethanol may bring, and completely mix with the fuel and burn out of the engine. To my knowledge I have not had any moisture problems, but I figure it is better to be safe since I do live in a very humid environment.
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Old 02-18-2013, 12:24 PM
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Pesonally unless I suspected the engine needed some internal "cleaning" I wouldn't use it in the oil. If you do, dose it up, run it for how ever long you need to and then change the oil.
No point in diluting perfectly good oil, prolly wont hurt it either though.
I use Seafoam in everything else I own (except diesels) for fuel stabilization at the end of the season.
I can compare directly small engines that aren't stabilized, gum up, varnish the carbs, etc.
By comparison, all the small engines I have and all the fuel injected ones, like sleds and boats start and run flawlessly after off season layups (usually a 7-8 month layup on both summer and winter toys here).
I rarely use it or any other products during normal operation. Once in a while I get the urge to give Autozone an extra $10 an get some injector cleaner or diesel perf additive, but not often, and not sure why as I've never seen any difference by adding to a well maintained engine.
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