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  1. S

    Z134 compression

    Does anybody know what the compression should be for Cont. Z134 engine new?I'm sure mines good at 131, 136, 136, and 136, But was curious. Anybody know of some good web pages with MF specs and tidbits? Found new good buddy in ytmag forum.
  2. S

    MF135 main jet adjustment

    Posted earlier about dry black sooty plugs that foul after running for about 45 minutes or so on my 135 Cont. Z134, and after checking everything (Fire seems good because it runs great with clean plugs), I began to think about a fuel related problem causing it. Saw somewhere that the float...
  3. S

    MF135 Spcl

    I have 135 Special with Continental Z134 gas. The 2 and 3 cylinders plugs foul out pretty quick with dry black sooty deposits. Can run it fine with clean plugs which will last 45 minutes or longer. Normaly this indicates weak spark or rich fuel/air mixture.I checked spark from each plug boot and...
  4. S

    lead substitute in gas

    I have MF 135 Special, Continental gas engine and was wondering if I should add lead substitute to gas
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