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  1. O

    OMG!!! This drain plug issue...

    So I attempted to drain my oil for changing since the guy that rebuilt the motor (4.3l) didn’t install the dipstick tube etc. after removing the drain plug I find that it is larger thread with a coarse pitch compared to the 1/2-20 of the banjo bolt assembly on the dipstick. So now I need to...
  2. O

    OMG!!! This drain plug issue...

    So I attempted to drain my oil for changing since the guy that rebuilt the motor (4.3l) didn’t install the dipstick tube etc. after removing the drain plug I find that it is larger thread with a coarse pitch compared to the 1/2-20 of the banjo bolt assembly on the dipstick. So now I need to...
  3. O

    A little confused and hoping for some propeller help...

    My boat Penn yan tournament 210 currently has a 15x17 alum 3 blade prop. It runs ok for a mildly heavy boat but I’ve heard others with the same boat claim they see 40mph out of their boat. I’m closer to 35 mph, however at WOT I’m teetering at just above 4100 rpm. I’m being told that I should be...
  4. O

    Oil choices...

    I searched but didn’t find definitive info so I’m hoping for a solid answer here. 1986 4.3 omc cobra. Looking for recommendations on oils for the lower unit as well as the engine. Thinking of synthetic but can’t seem to find any info that says yay or neigh for any specific reason. Cost isn’t my...
  5. O

    Necessary parts to replace in the outdrive?

    So I found a mechanic that is going to do some work on my boat. I need the trim sending unit replaced, and I figured since the lower would be removed I would have him service the entire piece. Bellows, gimbal bearing, universal joint, impeller etc... is there anything else relevant to change...
  6. O

    A few questions about my lower unit

    So my 1986 cobra trim sending unit isn’t functioning and I’d like to replace it. I’m not certain the condition of the bellows, gimbal etc since I just purchased the boat in July. I did take it out twice and everything seemed to function well on those trips and I took on no water. Anyway, if I...
  7. O

    1988 4.3 distributor...

    I purchased a 1986 PennYan and according to the numbers on the motor it is a 1988 4.3 i decided to buy a new cap, rotor, points, plugs and wires for it and using the numbers I had from engine made my purchase. After i I removed my cap I see that I have what appears to be a conversion. However...
  8. O

    4.3 omc dipstick....

    Y’all have been most helpful in diagnosing my new boat issues... I have another issue I need to run by y’all. The previous owner installed a new oil pan on the boat just prior to me purchasing the boat. But he didn’t put the dipstick on because he said the brass fitting that he had was the wrong...
  9. O

    4.3 omc not getting boat on plane

    My 1986 penn yan 21’ with 4.3 omc has no problem getting up to 4200 rpm’s but seems to drag the transom and doesn’t want to get up on plane. I verified that it has the appropriate prop so I’m wondering could I be getting prop slip or a coupling issue? There’s no noises etc such as bad spline...
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