Search results

  1. S

    Thunderbolt ignition

    Will the thunderbolt ignition box cause the engine to run sluggish and take a long time to build rpm's. I have done everything else,plugs,wires,coil,carb cleaned and complety gone through,new wires from key switch to coil, new positive and ground wires. also checked the big connector to make...
  2. S

    cracked manifolds

    can manifolds be welded. 4.3 merc
  3. S

    merc 4.3 not running at full RPM

    I am new to the site and hope someone can help me out. I have an 89 cheetah boat with a 4.3 mercrusier. When I bought the boat it ran really well. RPM's where about 4200 to 4500 I can remember exactlly. The Problem I am having now is that it will go to about 3000 RPM's really quick and it takes...
Top