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Recent content by Cballer

  1. C

    1956 30hp Lark

    So I’ve ran 56’ with blank plate in replacement of exhaust tube assembly.. top cylinder is reading 20deg C hotter where before with no plate they ran within 5 degrees of each other. Top plug has lost its shinny chrome color on outside like it’s almost too hot?? 27 deg water , bottom cylinder 60...
  2. C

    Spark plug conversion chart vintage outboard

    Ok thank you
  3. C

    Spark plug conversion chart vintage outboard

    Ok thank you, the motor has in it now a AC M45 we are trying to determine if this is a correct cross over plug or find conversion chart. Appreciate that knowledge I did not know that. My understanding the number on that plug you speak of is how hot or cold it burns so that’s logical information...
  4. C

    Spark plug conversion chart vintage outboard

    Curious if anyone has a spark plug conversion chart they can share ? What I’m looking for is champion J6J and Autolite A3X are recommended in vintage outboards of the 50’s. I have a AC M45 in a unit right now not sure if it’s correct. Trying to sort out for a friend he has 51 Evinrude 7 1/2 hp...
  5. C

    1956 30hp Lark

    Fdrgator Logical thank you for your time! Much appreciated sir, I’ve been searching for a year for reassurance on this!
  6. C

    1956 30hp Lark

    Haha we did the potato or banana once or twice😉 I’ll have to pull bottom end to actually verify if there’s an alternate route for exhaust but feel the water is there. If there’s no alternate route for engine exhaust to go out where water exhaust does maybe I should drill a 1.000” hole in...
  7. C

    1956 30hp Lark

    That’s probably my fault I’m new to site and probably picked wrong page? Apologies
  8. C

    1956 30hp Lark

    Interesting, ok thank you!
  9. C

    1955 evinrude big twin 25 Exhaust Loading Tube Assembly

    Fdrgator Yes sorry it mounts a couple inches below exhaust tube of leg with two screws. I’m having to replace my exhaust baffle plate as it was damaged in that area. I’m not certain problem is related. I have taken pictures if you want them posted, and really appreciate you looking into...
  10. C

    1956 30hp Lark

    So if I blank it off like p/n 376786 is made will this harm motor? Exhaust of cylinders can still enter leg of motor. Or does exhaust have to go out taddle tail where water exhaust goes? Thanks for replying helpful on muffler
  11. C

    1956 30hp Lark

    I’ve got a 1956 30hp lark I’ve got powerhead off right now and exhaust loading tube assembly is missing. Motor runs great. Couple people have said part number is 376330 which is unavailable , my manual shows 376786 which is just a flat plate with no tubes but in diagram it shows plate having...
  12. C

    1955 evinrude big twin 25 Exhaust Loading Tube Assembly

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