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What is your favorite fuel treatment?

What is your favorite Fuel treatment

  • Sea Foam

    Votes: 82 59.4%
  • Lucas

    Votes: 12 8.7%
  • Stp

    Votes: 4 2.9%
  • valvoline

    Votes: 1 0.7%
  • 3m

    Votes: 0 0.0%
  • other

    Votes: 39 28.3%

  • Total voters
    138
Sea foam
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I mix half to half Lucas fuel additive to Marvel Mystery oil. put one to two ounces per 6 gals on tank on my '09 Electra glide classic. I do it to prevent problems that may occur with water build up in tank.
 
I use seafoam in all my bikes, UTV's, and ATV's as well as my vehicles.

Here is how I do it:

Once a yearn I pour 1/3 a can ( less on the bikes due to smaller engines) into a cup and remove a vacuum line that goes directly into the engine and let it sip it up at idle to get it into the cylinders and clean them. Then I shut it off after I gun it to stall the engine with one last gulp. ( takes two people )

Then I let it sit for 15-20 minutes so it soaks into the cylinders. When I start it there is a lot of smoke burning off. Then I drive it, preferably up to 60MPH for a few miles.

Then when I get back I put 1/3 directly into the engine oil (less on the bikes due to smaller oil capacity) the remaining 1/3 into my fuel tank. (less on the bikes due to smaller tanks)

Been doing this for many many years with zero issue.
 
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