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  1. M

    5.8 Engine

    I just bought a 1994 Four Winns with a 5.8 ford engine with fuel injection. When I took it out this last week the motor won't idle good. It keeps surging up and down from almost quitting to about 600 or 1000 RPM. The mechanic that installed this engine said that sometimes this engine will do...
  2. M

    smart tabs

    Has anyone put Smart Tabs on their boats and how do they work? I have a 1994 Four Winns with a new rebuild 5.8 and wondered if tabs would help with the proformance any
  3. M

    3.0 Carb (idle valve)

    Quick Question mercruiser 3.0 , merd carb What is wrong when the idle needle dosen't do anything. Won't lean out when screwed in or get richer when screwed out. Thanks
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