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    Idle RPM 3.0 OMC Cobra

    My 1990 3.0L OMC Cobra idles at approximatly 600RPM. It's rough (borderline stalls). What should it be? I also noticed a pully wobbling which could help with the shaking. Sneak in one more question...it's pushing a Sunbird Corsica 175 which is slow out of the hole. Could this be the 17? prop...
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    Tongue weight and tow package

    Just picked up a 1990 Sunbird Corsica 175 on a decent trailer. A couple of things I noticed when I picked it up. I can basically lift the tongue with 2 fingers...obviously to light. What weight would be appropriate and how to measure (feel?)? Boat seems to be sitting back on the trailer...
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