That would be the burned oil in the fuel oil mixture...<br /><br />I know nothing about Seafoam, but... how can one say it prevents an event that you'll never know if it would have happened if you hadn't used the product in the first place? errr. I think I said that right...
Pretty sticky situation here. I've NEVER used Seafoam (4 boats, more motorcycles than fingers), and have NEVER had a fuel problem. And my 125 Outboard will run with the rest no problem. I just Stabil gas that I know will sit. And probably better to run a tank of Chevron with Techron through it instead...cheaper...does the same thing. You say ya get a garbage can fulla crap everytime ya use it. Try this and get back to us. Get your bucket of crap, toss it out, and do it again, and see what ya get. Get more? If ya do where is it coming from this time?<br />PS. I also get a bucket of crap in my garbage can on running my kicker motors...don't need Seafoam to make the crap.Originally posted by John_S:<br /> there was an awful amount of black carbon type crap in the water!
Ahhh... it was much more than the normal burned oil/fuel mixture. I've run them in garbage cans, many times before. The garbage can gives a more "real life" back pressure than just running on muffs. <br /><br />I did a 1980's Nissan 40C and 1997 18E, last spring. Both had never been done before. Both took two treatments. ie this is the spray in carb throat stuff, running it, then let the engine set, and restart X minutes latter. In both engines, the 2nd treatment produced much less carbon deposits. Also much less smoke on the 2nd treatment. On the first treatment, thought I was going to fog out everyone in the nieghborhood! <br /><br />But, maybe all the black crap and smoke just comes from the can of cleaner, and is just part of the "special effects"!
No Problem At All,......<br /><br />To Clean an engine with Water,....... It's introduced thru the In-coming Air Flow..........<br />Carbed....<br />EFI....<br />MPI.....<br />It Doesn't Matter.......<br /><br />A Pint of Water,.. introduced while the motor is run at 1200/1500rpms,... produces a Clean Motor, as soon as your water bottle is Empty..... Done.....<br />
That's clearly addressed in my 1st post......<br /><br />This is the I/O forum,..... Not the Outboard forum.........<br /><br /> And ,........ Neither Kagee, Nor Myself ever said that the Stuff Doesn't have a Proper Place,..............<br />We're just saying It's a Waste of Money for an I/O motor,... With No Added Value, over Simple, Free, Water ................
I clearly missed where Kagee implied using water instead of Seafoam. It must have been in the wink icon. Again, I took his post to mean, Seafoam does nothing. <br /><br />As far as its effectiveness on cleaing internal carb and injector passages, along with fuel lines, I don't know how effective it is. <br /><br />
You can get more carbon buildup in engines that spend allot of time at low rpms, such as no wake zones and trolling. Especially if you don't run it up in rpms to clean them out. Also, if you didn't have that perfectly maintained engine, such as timing off, tank of bad gas, etc, you may have carbon build-up. Seafoam or water will help clean those carbon deposits out. <br /><br />Going back to the original post, I mis-interupted the "additive". I assumed that meant using the non-spray form of seafoam, in heavy concentration, to do the same thing as spraying in the carb. Adding a smaller dose to every tank, for your everyday running may provide some benifit, but I wouldn't bother with that, for any of my engines. So, in this form of usage, I guess we are in agreement. Where is that swallow your sword icon?
