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  1. Merc4ever

    Initial trim tab position

    My Alpha 1 lost its trim tab when I replaced it I put it on straight. Should the initial setting always be slightly angled for the prop rotation?
  2. Merc4ever

    Whale tail stabilizer slowing me down

    I removed my whale tail type plastic stabilzer that's been on my mercruiser since the last owner to check out how she'd run without. To my suprise I picked up a whopping 10 mph on the top! Could this device really help my mileage that much getting onto a plain when it drags me down this much...
  3. Merc4ever

    4.3 Mercruiser Thunderbolt IV base timing

    Most of us know the Thunderbolt V has a purple wire that needs to be grounded to set the timing in order to stop the auto advance. But what about the Thunderbolt IV on a 4.3 Mercruiser? I'm trying to time it right now and can't find how to put it into base timing mode. The Mercruiser Service...
  4. Merc4ever

    Mercruiser plug wire set

    Where can you get a custom made set of plug wires to fit a V6 mercruiser? I'd like to get a set i don't have to cut and assemble. Or am I better off to cut them myself? It seems easier to have them already made up.
  5. Merc4ever

    Air filter or flame arrestor

    Should we run our stock flame arrestor sucking particles into our mercruisers or are the aftermarket marine air filters worth the cost for extra protection?
  6. Merc4ever

    K&N Oil Filter

    I know the 4.3 liter Mercruiser oil filter has a higher oil flow than a normal auto filter. I was reading that K&N has a marine filter called K&N gold they say is better than stock. Is it as good as the Mercruiser oil filter when it comes to flow? I dont really care about filtration much on the...
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