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Recent content by jimmmy

  1. J

    Belching/Burping?

    I'm changing oil in my 400 Stringer for the first time. I'm wondering if you guys might have any extra info. I think I read somewhere on this site about belching or burping the lower unit. It does not say anything like that in the manual. I have filled it from the lower hole with a pump and...
  2. J

    What Oil Filter? 1978 120hp

    Hey Gang. I'm trying to figure out what filter I need. The manual says PF-25 or PER-49. It is for a 78 120. The guy at the parts store had no listing for these filters. I got him to search 1978 GM's with 2.5L and he came up with PH-30. It appears to be the same,but I would like to know for sure...
  3. J

    120HP/400 Stringer cooling problems

    Thanks for the replies.
  4. J

    120HP/400 Stringer cooling problems

    Hey gang. I hope you don't mind a long post too much. Today was my first time working on a marine engine/drive and I have all kinds of questions rolling in my head I put on a set of muffs over the vertical holes below the anti ventilation plate. I'm hoping this is the right spot for the water...
  5. J

    What motor do I have?

    Hi gang. I'm new to this site and also to boats. I have just purchased a 78 Silverline with a 400 Stringer, but I'm not sure of the engine size. The guy told me that it was a 3.0L but, I'm wondering if it might be a 2.5L. It says 120 on top of the rocker cover. The engine model number is...
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