Best fuel additive for carbon deposit removal?

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timberwoof

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Which fuel additive do you guys think is the best for removing the carbon buildup in the cylinders and around the plugs?
 

sgtowing

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seafoam. use both through the vaccum line and the fuel tank.
 

Big Red Monster

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i like this stuff called FIC. they say its better for the fuel injectors because it keeps them lubricated and dosent burn up the o rings
 
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timberwoof

timberwoof

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I may have to run a thing of seafoam through the truck then. I tried it through the brake booster hose but got no smoke. Unless I did it wrong.
 

masterhacker

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Ive tried sea foam on lots of vehicles sometimes it works some times it doesn't, depends on engine. WOrked great on my motorcycle, not so great on my lumina. worked good on my c10, didnt do anything for my expedition
 

WHOISMOOTOO

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lol i sprayed for mosquitos and fogged out my complex but nothing noticeable as far as improvements
 

Dib52

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2 step process, 1 tank treated with RXP followed by 1 tank with Lucas fuel system cleaner. Strictly preventative maintenance.
 

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