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.12 engines

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spanko123

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yo does anyone no if smaller engines like .12s take shorter or longer pressure tubing cuz i just got a force .12 and I'm braking it in and it running realler funny, and also about plugs i noticed sumtimes hobby town will give you shorter plugs and maybe a long one and i want to no whats better for which enginge a shorter/longer or hotter/colder plug, and nybody no low end settings for a force 12 engine ok thanks
 
I can't really answer your question about the plugs since that is all greek to me, at the moment. What I use is an OS #8 plug. Generally good all around performer. I checked the specs for the Force .12 on Towerhobbies and they recomend OS Max#8 or McCoy #59 with 2 copper washers.

The pressre tubing should in general be about 10 inches in length. Too short or too long, the engine will run eratic because of pulsing in the fuel tank, and tuningwould be difficult.

I don't have the engine you are speaking of but a good rule of thumb for factory settings during break-in is HSN= 2 turns from fully closed; LSN=Flush (level) with the carb body.
 
alright dude thanks so much i just needed sumwhere to start later
 

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