Here goes.... I worked at OReilly's and watched the training vids on this stuff and I have used it myself.. (it has been 2+ years so don't quote me exact)
You put a small amount directly in your carb(half a cup), a little in your crankcase breather on top of your valve cover(half a cup with it running), then dump the rest in the gas tank... this stuff was designed and came up for the marine industry, where the mix gas in outboard motors would varnish up.. this stuff will eat it like a champ.. I have seen an old generator that wouldn't hardly run for more than about 2 sec... we dumped some in the tank and tried it a few times, then let it set overnight and was about to pull the carb for a rebuild the next day, but decided to try it... it started right up and idled like a brand new used one..
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I put it in all of my vehicles, when my wifes van starts to surge a little at idle, I know it is time for some and I dump a bottle in the tank. Personally I am not a fan of putting something that looks like water in the crank case
, they say it works and cleans it out, but old habbits are hard to break.
Now this concludes the commercial for SeaFoam, we now return you to your regularly scheduled Bronco chat
. I use this stuff now v/s B12 Chem Tool..