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  1. Amplejohnson

    2F engine running rough

    Funny you should mention the Aisin carb. I got the original unit from the PO, and I’m working through a rebuild.
  2. Amplejohnson

    2F engine running rough

    So, it looks like the new plugs I got were a step colder than the ones I had in before, so I think that contributed to the issue. Also, I put a white bucket behind the exhaust and ran it for a bit. Did notice faint black smoke on acceleration, so I’m guessing that’s oil? Also based on the...
  3. Amplejohnson

    2F engine running rough

    PO put on a Weber with an electronic choke. I did try running it with the choke disconnected for a bit, but didn’t really notice a difference in how smooth it ran. Not sure how I could mimic what you mentioned with my setup.
  4. Amplejohnson

    2F engine running rough

    No smoke out the exhaust (at least not enough for me to notice)
  5. Amplejohnson

    2F engine running rough

    Fellow mudders, hoping to get some help. I’ve searched for results on this, but didn’t find anything that matched my situation. Here’s my situation 2/75 Fj40 with 80k original miles (afaik) Had been running ok, but recently developed a ‘miss’ that is worst at higher loads (climbing hills) and...
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