Maintenance Matters

June 2012 Issue

Reducing Lead Fouling: TCP is Back

After several years of MIA, this lead scavenger is back on the market. Also, a new fuel sampler filters pour-back and tape labels help with misfueling.

After a long period of difficulty obtaining it, TCP has come back on the market in volume and that’s a good thing, especially if you own an engine that’s susceptible to lead fouling of plugs. TCP is used to reduce lead deposits on spark plugs, thus reducing fouling. It also helps reduce valve deposits. This means better performance and less need to pull plugs to manually clean them, resulting in money saved and reduced frustration. Using TCP is simple. It employs a syringe and fluid can arrangement, where TCP is squirted into the aircraft fuel tank at fill-up. One ounce treats 10 gallons, so it adds less than 10 cents a gallon to fuel cost. (A quart of TCP is $35.)

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