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    REPLACE MERC 260 DRIVE COUPLING?

    Am rebuilding merc 260, has what I beleive 500 hrs. Drive coupling looks good by visual, no cracks in rubber, splines good. Do you guys think I should replace ($250.00) or run it. Trying to make things right as I go back with rebuild. What do you guys think. Thanks<br /><br />Brian
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    MERC 260 HP/TORQUE INCREASE ?

    AM IN PROCESS OF REBUILDING 85 MERC 260. ANYBODY HAVE INFO ON BUDGET MINDED HP/TORQUE INCREASING IDEAS. POSSIBLE CAM PROFILE, INTAKE CHANGE. SHOULD I LEAVE IT ALONE AS MERC HAS ALREADY DONE GOOD ENGINEERING JOB. HAVE HEAVY BOAT, 23' FORMULA ANY INCREASE WOULD REALLY HELP. THANKS IN ADVANCE FOR...
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