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  1. S

    Where's Topmason??

    Anyone heard from Topmason? Just wondering how the hand is doing?
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    Can I change?

    Quick question. My 454 mercruiser, have short, fat oil filters on them. Couldn’t find one to match at the local wal mart. However the chart says that PH 5 which is the same diameter and has the same seal and threads works on a 454. Makes sense the larger the filter the better. Will this...
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    LIFTER FINNALY FIXED

    Well it’s finally running. For those of you who have been following this poor fool from the beginning, to the explosion week before last, the last chapter was written today. For the last two weeks I have gone over and over the directions I have received here. Same problem every time. Back fire...
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    Learning how to

    wuz just trying to learn how to do the picture thing. If it comes up it should be a picture of my boat in which case i guess it should be on another site but i guess i'll let JB figure out where it should go. :D <br />
  5. S

    What do you think about the board?

    As a relative new member on the board I was just wondering how everyone would rate the current board as a whole. I don’t think any of the Mods would get upset if they see what the majority of the members think. If 0 meant I’m out of here, and 10 meant the best board ever, where would you put...
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    I think I'll just quit!

    Went to the boat this morning, reset the plugs to .35. Checked the wires one more time, placed the distributor on the correct time, started the engine. Same as before, backfire until 1000 rpm and the miss. With the new exhaust manifold I can now take the valve cover off with the flex drive so...
  7. S

    What Plugs

    What spark plugs can I use on a 1986 454 mercruiser besides the NGK's?
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    LIFTER FIXED--BUT

    Fired the 454 up today. :D :D Did the distributor timing thing, but it was backfiring lake crazy. :mad: Moved the distributor around, helped some. Finally got it to run at about 1000RPM. Has a miss in all ranges one maybe two cylinders. After the head came back from the shop I put...
  9. S

    LIFTER FIXED--BUT

    Fired the 454 up today. :D :D Did the distributor timing thing, but it was backfiring lake crazy. :mad: Moved the distributor around, helped some. Finally got it to run at about 1000RPM. Has a miss in all ranges one maybe two cylinders. After the head came back from the shop I put...
  10. S

    Adjusting valves on 454 mercruiser

    Going back together with the 454 mercruiser. Need to adjust the hydraulic valves, with the motor not running. Once the exhaust manifold back on cannot get valve cover off. Head on and intake still off. Was thinking install the intake. Bring the piston up to firing position by watching the...
  11. S

    Head gasket for 454, 7.4 L mercruiser.

    Have a question or two bout a head gasket for a 1986 7.4, 454, mercruiser. Went to auto zone and asked for a 1986 chevy head gasket. First question "what model of car"? Was afraid to tell him it was in a boat cause I’ve been there before so I said vette. I was told that in 1986 chevy didn’t put...
  12. S

    IT GOT DONE!!

    After getting one valve free yesterday and soaking the other in PB Blaster for the night, the other valves freed up. I had to sit there awhile thinking should I, or shouldn’t I go ahead and pull the head? Should I won and boy am I glade! Water was getting into no. 7. Not much but enough when I...
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    Stuck Valve

    Kenimpzoom came by the marina this morning and we applied the box end method to the valves. First valve, intake, free as a bird. Next valve, exhaust, stuck. Applied PB Blaster, waited awhile, pounded on the valve, nothing. Soaked the valve again and left for the day. Will return again tomorrow...
  14. S

    need parts

    Would like to support iboats but don’t see where they can supply me with what I need. Need intake gaskets, exhaust gasket, hydraulic lifters, and push rods for a 454 Mercruiser. In as much as iboats doesn’t have the parts, are there suppliers that if I used them, would benefit iboats?
  15. S

    need parts

    Would like to support iboats but don’t see where they can supply me with what I need. Need intake gaskets, exhaust gasket, hydraulic lifters, and push rods for a 454 Mercruiser. In as much as iboats doesn’t have the parts, are there suppliers that if I used them, would benefit iboats?
  16. S

    GOT THE LIFTER OUT!!

    I would like to thank all the people that responded to my plea for help. Could not have done this with out you.<br />Finished grinding the heads off two rusted bolts on the manifold using the Dremel and mirror. If you have never tried this you should. Lying on your belly looking down at a...
  17. S

    Still can't get the lifter out.

    Still trying to get that lifter out of a 454 Mercruiser. Down to the last option, removing the exhaust manifold so I can get the valve cover off. All bolts came off save one. Started with a 9/16 socket, gave it a pull, heard the rust hitting the bilge. Tried 14MM, same results. Can feel the bolt...
  18. S

    Changing hydraulic lifter on a 1986, 454, 340hp, 7.4L mercruiser.

    I have that ticking noise that usually signifies a stuck lifter. I have tried additives the free the lifter but no luck. I thought I would take the valve cover off and see which cylinder it was. I find I cannot get to the lower bolts holding the rocker cover on because the exhaust manifold is...
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