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  1. hadaveha

    lonstar 17ft medallion

    Im looking at a 1964 lone star medallion , I was wondering if anyone had a idea of what this boat might weigh. I have looked everywhere with no luck. I have a great running little evinrude 50hp. Im just wondering if that's going to be enough hp to get her around.
  2. hadaveha

    1990 johnson 88spl

    This weekend I had a chance to buy a 1990 88spl. their was no fuel or water where the motor was. we did ust the jump box to check compression, and the tilt and trim. compression was 110 to 120 on all 4 cylinders, and I did check the gear oil in the foot it was black with no sign of water...
  3. hadaveha

    for the mercruiser 470 guys

    I was reading a hotrodding blog, and there was a discussion about the mercruiser 470 a lot of guys using them as racing engines, To make a long story short these guys have tried many many things on these motors one thing they all said the really helped with the over all operating heat was to...
  4. hadaveha

    mercruiser 470 manifold

    I have a extra aluminum 470 manifold, but I need to check it for cracks is there any way to check this thing for cracks with it being off of the engine besides visually.
  5. hadaveha

    1990 force 90hp

    My brother in law called me last night, He is wanting to buy a bass boat from a guy at work that has a 1990 force 90hp. The guy he works with said that the motor starts and idles great, just no top end, he say it feels like it has no power. Sounds like clogged carb jets to me, but Im a idiot. I...
  6. hadaveha

    1988 3.0 blown head gasket

    I am going to look at a 1988 searay donor boat with a 3.0 donor motor and outdrive, seller says it has a blown head gasket the second choice is a 1982 3.0 running with a crack in the block but no water getting into the oil and choice number 3 1987 chevy 305 running but cracks in the manifold...
  7. hadaveha

    mercruiser 3.7

    Ok guys I took the foot off of my 1984 mercruiser 3.7 or 470 and the exhaust flappers came falling out, so just how srewed am I. It must have been super hot to have burnt them loose
  8. hadaveha

    Another 3.7 470 question

    Im getting ready to order my impeller kit for the outdrive, being that these engines are so heat stressed, is there a better impeller kit or aftermarket impeller that pushes more raw water through the system than others.
  9. hadaveha

    470 to I6

    Guys this may be stupid question, But a freind of mine has a great running mercruiser Inline 6 165 . I have a 470 inline 4 if you was to look at swapping roughly how much more foward space would I need. The 470 does have the alternator conversion on it so it longer than the stock 470. Thank...
  10. hadaveha

    1957 longstar?

    Ive had this in the yard for a cpl years, I was told it was a 1957 lonestar malibu. Im not sure what it is I have no paper work on it. and there is no plates or ID of any kind on it. We put a 9.9 tiller motor on it and putted around some last year, and its water tight. looks really cool like a...
  11. hadaveha

    1984 Crestliner Nordic Resto

    OK guys idiot here with a new toy. I bought a crestliner nordic 22ft cuddy, these are pretty rare in this part of the world, It is a i/o with a mercruiser 470, I know I know Ive heard all the bad things about the 470 Im going to hope I am the luckyone for now. well Im hoping to paint...
  12. hadaveha

    1984 470 rebuild

    First Id like to thank everyone who has helped so far, I bought a 1984 crestliner with a 470 in it. Ive looked at ever swap out there. 3.0 4.3 even 898, but after looking at cost and what all has to be done. and Ive decided to go into this 470 and just see what kind of shape we are in. First of...
  13. hadaveha

    closed cooling 3.0

    Does anyone sell a aftermarket kit to set up a closed cooling system on a 3.0 like my old 470. anyone ever heard of someone using closed cooling on a 3.0 thankyou David
  14. hadaveha

    140 alpha 1

    Does anyone know what was the first year for the 3.0 alpha one combo, my brother in law is looker at a 1978 boat he says it has a 3.0 140 with a alphaone but I thought a 1978 was a pre alpha.
  15. hadaveha

    1984 3.7 swap to a 1979 898

    the donor boat mercruiser 898 (chevy 305) swap with my 1984 3.7 does this make any sence, the donor boat can be bought super reasonable. I was going to go with 4.3 but I found this donor boat and just wanted to explore the idea. thankyou everyone for your ideas
  16. hadaveha

    Stupid 470 question im sure

    I keep reading everything I can about these 470's, and something Ive noticed keeps showing up, running hot. the water pump at the end of the cam seems to have its own batch of problems, with that being said would it be possable to fab up some kind of external higher volume water pump to move...
  17. hadaveha

    470 to 4.3 swap

    Ok guys I have looked this forum over from stem to stern, and I have found a bunch of different answers. SO can I pleaze layout my situation. I have a 1984 mercruiser 470 with a alpha1 outdrive. I am looking to replace it with a 1995 mercruiser 4.3 the engine comes to me with everything from...
  18. hadaveha

    fuel usage mercruiser 4.3

    Hello everyone Im looking at swaping my old 1984 mercruiser 470, for a 1995 mercruiser 4.3 My question is about fuel, just how thirsty is the 4.3 compaired to the 470. and Im not a big speed guy this boat is used for fishing. Thanks everyone for your help
  19. hadaveha

    new to me 470 yes im the new dummy

    Hello everyone I just purchased a 1984 crestliner nordic with the dreaded 470, starter is shot I knew that when i bought the boat, it has had the alt conversion done, and the owner said it ran great prior to the starter failure, but thats what every owner I have ever bought from said. Any...
  20. hadaveha

    1978 75 hp

    ok guys i no this is a stupid question we bought a 1978 75hp for my fathers pontoon, the problem we r having is we had to get new cables due to length, even when we had no cables it seemed to be having the same problem and that is when u start it it starts running at full rpm, its like it is...
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