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  1. G

    Black Spark Plugs - Hotter plugs needed?

    Thanks for the excellent info. I hear ya on the Sta-Bil - I may have used too much. Also, short trips without the engine heating up fully is probably right on. I need to take the FJ out for a long run, I think. In any event, sending the carb to Mark's Off Road won't hurt anything.
  2. G

    Black Spark Plugs - Hotter plugs needed?

    cdaniel: just saw your post & this makes sense. I am leaning towards a carb rebuild, I think. I already cleaned the carb as much as possible without taking it apart. I also did the hi-rev, hand on air-horn technique. I wonder if the new plugs will likely just get messed up again pretty soon...
  3. G

    Black Spark Plugs - Hotter plugs needed?

    Doesn't the idle mixture screw only affect the mix at idle? (not at higher revs?)
  4. G

    Black Spark Plugs - Hotter plugs needed?

    Do I lean out the mixture with the adjustment screw?
  5. G

    Black Spark Plugs - Hotter plugs needed?

    I have a 76 FJ40 with the 2f, non-usa Toyo vacuum dizzy. I was having HELLACIOUS running problems after it was parked for the winter. I changed the points, fuel filter(s) and re-wired the carb-area wires. My plugs were NGK BPR5EA-L's, only a year old. They were uniformly BLACK, more sooty than...
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