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  1. M

    Replacing risers and manifolds

  2. M

    Replacing risers and manifolds

    So I'm thinking about replacing my risers and manifolds. Question is should I do both or just the risers. I believe these are original. And when I look at riser gaskets it says most normal are two slots and two pin holes or I could select 4 slotted gaskets. Any opinions on this. Also this is a...
  3. M

    First plug change

  4. M

    First plug change

  5. M

    First plug change

  6. M

    First plug change

    So I bought a 89 larson dc 215 end of last spring. Now I have it shrink wrapped with a access hole in the wrap where i get in and work on it . I put a new fuel pump on it diagrams were rotted. I had cliff rebuild my quadrajet cause it was bogging when secondarys came in. Cliff said it had a...
  7. M

    Thunderbolt iv pickup

  8. M

    Thunderbolt iv pickup

    Hello all. Gonna replace the pickup in my distributor. Got a thunderbolt iv in the girl. Doing a complete tune up on her. Had cliff rebuild my quadrabog and bought a new cap rotor plugs and wires. Pulled cap off and original pickup looks rough so I thought might as well do that now. Problem is...
  9. M

    Mmsi number change

    Hey guys. So I sold my last boat but kept my radio and I am wanting to put it in my new boat. Its s standard horizon. Question is though how do I update my mmsi number to my new boat. I believe I went through tow boat us but not sure. Anybody else here who has done this thanks
  10. M

    Garmin 63cv with lakevu maps

    Bought a garmin 63cv that had lakevu maps in it. Not the ultra just the basic. I have been looking but dont see if you can put a coordinates in the unit and it will mark that coordinates on the map so you can go there. I have a map that has honey holes on it with coordinates and would like to...
  11. M

    Gps for lake erie

    Hey fellas. So I am interested in a gps. I reckon a chart plotter. I have never owned one before so i am not very familiar with them. I'm wanting something that if I leave out of toledo and I can plot a course to let's say put in bay. Or if I leave out of toledo I can plot a course to lets say...
  12. M

    old lowrance depth finder with black box

    hey guys. so I have a 89 Larson and the depth finder quit working on it. I know it has a black box mounted on the side of the boat. one cable comes off of it and runs back to the transducer which is a in hull design. the other cable has a red black and white wire which the black one is for the...
  13. M

    Winterizing inboard outboard

    I was wondering if I leave the thermostat in and suck antifreeze through and the thermostat closes does the antifreeze just not get into the risers. Could I just unhook those hoses and pour a freeze in the hoses so I know I got it in the risers. I guess I'm trying to ask if the thermostat is...
  14. M

    Draining power steering cooler

    Hey guys how do you drain the ps cooler. Just unhook the hoses on both ends of it I assume. Even if I run antifreeze through this I still have to right
  15. M

    89 5.0lx mechanical fuel pump replacement

    Hey guys got a new fuel pump here it's a carter pump. Question is new pump came with three gaskets. Two are in a bag and are the same shape. One is just a little thicker. The other one is a thick gasket with a little different style. I'm sure I ha e si many for shimmying the pump. How do I...
  16. M

    Drain **** locations 89 5.0

    Wondering if anybody has a schematic for the drain **** locations on a 89 5.0 mercruiser getting ready to winterize and wanna make sure I know where they all are thanks fellas
  17. M

    Emma Jean update

    Took her out today with timing light at idle I got her set at 8 degrees. Took her out today and I get 16 degrees more advanced. The 30 degree mark is on the tdc line on the timing cover. Should it be up on the 8 degrees advanced mark on the tab. Also I noticed when the secondarys come in if I...
  18. M

    Tune up kit

    Looking for a cap rotor plugs and wires for a 1989 305 4bbl. Looking for sierra parts. Can't seem to locate it. Has thunderbolt four ignition
  19. M

    Serial number decode

    Can somebody try to decode this engine serial number. Should be a 88 to 89 gm 305 4bbl. Looking at the tag as best as I can see it is C408091. Does this come back as anything
  20. M

    89 5.0 timing

    Ok guys adjusting base timing at idle. On the cover it says 5 btdc. Seems like everything else says 8 btdc. Just wanna clarify where it is supposed to be. Also what rpm should it be fully advanced at and what is that spec. Thanks guys
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