Seafoam Deep Creep? Other spray decarb?

batkins761

Cadet
Joined
Jul 16, 2001
Messages
27
It's definitely time to decarb. Is Seafoam Deep Creep a good spray decarb? I mostly see recommendations for additives, not sprays.<br /><br />Thanks!
 

roscoe

Supreme Mariner
Joined
Oct 30, 2002
Messages
21,745
Re: Seafoam Deep Creep? Other spray decarb?

Deep Creep is great stuff. <br /><br />The additives are a preventive measure, of limited and questionable value.<br /><br />The spray products are to clean out the buildup.<br /><br />Your intent is REMOVE the existing carbon buildup from the cylinders, heads, and rings, then a spray decarb solvent product is needed. Buy at least 2 cans of decarb. Some people use one can per cylinder.<br /><br />Run engine at fast idle, with engine running, slowly spray liberal amount into each carb,<br />spray some more for a minute or two, now spray a larger amount into carbs until engine chokes out and stops,<br />remove spark plugs and spray decarb liberally into each cylinder, install the spark plugs, let it soak for 1 to 10 hours. <br />Start the engine and run at medium throttle, or if at the lake, run it at full throttle. It won't hurt to spray some more through the carbs. Run it for atleast 10 minutes to flush the crud out of your engine. Now remove and clean, or replace the spark plugs. <br /><br />It works well to do the spraying, the night before you go to the lake. This way you can let it soak overnight, and really flush it out at the lake.
 
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