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  1. K

    Thunder Bolt IV Upgrade?

    Hi, I have a 24' 89 Sea Ray with a 7.5L Mercruiser. The engine runs good, but I would like to make sure that I am getting all my bang for buck out of fuel. So my question is do I stick with the thunderbolt IV ignition or is there an upgrade that you would recommend. And if the thunderbolt is a...
  2. K

    Merc 454 Intake

    Re: Merc 454 Intake Thanks for the help. After looking at different intake setups I assume that I would not want a high rise as that will push the torque curve past the rpm range of a boat. Is that correct? I have posted a picture of the intake. I believe that my intake is square but thought I...
  3. K

    Merc 454 Intake

    Hi, I have a 89 Sea Ray 24' with a 454. I have owned it going on the third year. It currently runs good, but the previous owner ran it in salt water and the intake is starting to look poor. I would like to replace it with an aluminum intake but wanted to get an opinion if the aluminum intake...
  4. K

    7.4 Alpha 1 Wont stay at operating temp

    hi, all. i have a question about operating temp. this is my first boat its a 89 searay 23' with a 454. took it out last weekend and it would not come up to temp unless i came to a stop after a run and then it would warm up for a couple of seconds. I also found that the intake gaskets were...
  5. K

    Help me decide on a boat

    Hello everyone, I am looking to buy my first boat. There are two that I am looking at and I was hoping that I could get some opinions and thoughts on both. http://york.craigslist.org/boa/2267863749.html http://harrisburg.craigslist.org/boa/2210407297.html Any help or advice would be greatly...
  6. K

    88' Sunrunner 22' openbow

    Hi, I am looking at purchasing an 1988 Sunrunner 22 foot openbow. The current owner says that the motor is volvo penta 285 hp. Does anyone now what engine this would be? Does anyone have any likes or dislikes about the boat or powertrain? Any information on this boat would be greatly appreciated.
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