I use Alcor TCP, when available (that's the problem, you can't get it!) . My mechanic has commented that my plugs are surprisingly clean of lead deposits. Decalin TCP does the same, but it is not yet approved for certified aircraft... Eliacim N87071
> With the use of 100LL I understand there is some concern about fouled > plugs from the lead content. > Way back when I was flying round engines, we had a procedure on every > shutdown to lean the engine to just prior to rpm "stumble" at about > 1700 RPM for three minutes to "cook" the plugs and burn off the lead > deposits. Anybody heard of a legal procedure like this for > Continental engines? > > >
