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  1. 2

    Oil filter relocation kit & oil pressure.....

    Thinking of buying an oil filter relocation kit for my 93 Merc 4.3 LX. Will the motors oil pressure drop at all due to the distance of the hoses that carry the oil ?? Thank You!!!
  2. 2

    Water temp sender location ?

    93 Merc 4.3 LX with full closed system. My aluminum Edelbrock intake Manifold has spots where I could mount the Water Temp Sender & Water Temp Audio warning sensor. Is it ok to mount these into the manifold or do they need to stay in the Thermostat housing ? Thank You!!
  3. 2

    Intake manifold ????

    1993 Merc 4.3LX with full closed system. The Fel-pro intake manifold gasket that Edelbrock suggests to use with the aluminum Edelbrock #2111 performer does not have cut outs for the passage that goes under the carb. This gasket blocks it off on both heads. Will this do any harm if it is blocked...
  4. 2

    Water or Fogging oil ???

    Need some help here, Merc 1993 4.3LX with full closed system. When I winterized it I fogged the carb & cylinders. Over winter I replaced the exhaust manifolds & risers & replaced intake manifold. Was going to change the oil before taking it out today to get the fogging oil out from winterizing...
  5. 2

    Size of anode???

    Does it make a difference on what size anode you use in youre heat exchanger ?.<br /> Thank You
  6. 2

    Diameter diff ?

    Would there be any diff in mph & rpm's on a <br />13 3/4 x21 prop and a 14 x 21 prop on a 1993 merc 4.3lx gen 2.
  7. 2

    Changing prop for 1st time

    This will be the first time changing the prop on my 1993 gen 2 drive, besides the new prop is there anything else I need to replace (splined washer, tab washer etc...)?<br /> Thank You!
  8. 2

    Carb Question (Webber)

    I have a 1993 Merc 4.3LX with full closed system. I recently purchased the Edelbrock aluminum Performer 2111 intake manifold for my Webber 4brl. The new mani doesnt have the mounting platform for the Webber carbs non electric choke. I dont want to have to buy a new carb if I dont have to, what...
  9. 2

    Question on water pumps GPM.

    Could somebody tell me what the GPM for a Gen 2 water pump is, and what the GPM are on the raw water pumps found on the front of the late model Merc's.<br />I have tried diff web sites and still come up empty.<br /> Thank You!!!
  10. 2

    Docking lights

    Just mounted optitronix docking lights on bow of boat. Instructions show how to wire these things. Question I have is, these draw 5 amps total and dont say anything about installing a relay. I know when I installed offroad lights on my landcruiser, a relay was installed so you wouldnt burn out...
  11. 2

    Serial #'s year????

    I read an answer from (Don.S) on a question about serial numbers and what year the running gear was built. It was the last 4 numbers of serial number to determine date built. Is this true with Mercruiser running gear? Im asking because I own a 1993 Bluewater boat with a 4.3LX Merc. The transom...
  12. 2

    new to props!!! Question for you!!

    I have a 1993 Bluewater Mirage with a Merc 4.3LX Gen 2. I have had the boat two seasons now, it has an alum 3 blade 19 pitch, # on prop is 4878120A4019P. WOT is supposed to be 4400-4800, WOT and trimmed for max speed I am at 5200 at 45 mph per boat tach and speedo. I know RPM's are too high, so...
  13. 2

    what to do???

    Cut out holes in the front of the hull for docking lights, sanded the edges and exposed fiberglass. Should I do anything else to the exposed fiberglass to reduce the chance of cracks forming? Marine-tex??
  14. 2

    Why is this happening???

    I have a 93 4.3lx merc with carb and full closed system. I have had no heat, hesitation or bogging down problems. I pulled the plugs today and all six were dry black fouled!!!!! plugs (ngk), dist cap and rotor are all a month old. plugs had no smell of gas on them, just dry & black. Wires...
  15. 2

    Will this work???

    I have a 94 4.3lx merc with carburetor and full closed cooling system. Would a water crossover work on this set up or do i need the circulation pump to keep the antifreeze moving in the block. I dont know much about these crossovers.<br /> Thanks you.
  16. 2

    Wrong Thermostat?????

    I have a 93 merc 4.3 with a full closed system on it, it has the 160 degree thermostat that came with kit. I was talking to a boat mechanic that deals in Merc's, he say's that merc has done away with the 160 thermostat for closed systems and suggests that people stay with the 140 thermostat. Has...
  17. 2

    why is this happening???

    I have a 1993 4.3 merc with a full cooling system. My overflow or reservoir tank is full when starting the day boating, it's almost empty when i check it the next day after boating, fluid found in bottom of boat. I lost the cap from the reservoir, so i used a plastic pressurized cap instead. My...
  18. 2

    Copper and saltwater??????

    Had to make a 45 degree bend in hose for motor, cut hose in half and used a copper 45 used for house plumbing. This hose supplies the motor with water for cooling (salt). Havent taken boat out yet or fired it up, wondering if this is a bad idea using copper in saltwater!
  19. 2

    PERMATEX ULTRA BLACK RTV SILICONE ????

    I have been reading some of the questions and answers on the //boatfix forum. Many questions being asked on what to use with youre riser gaskets in order to keep them sealed. A high number of responses say they wouldnt use anything besides Permatex Ultra Black Rtv Silicone. Looking for some...
  20. 2

    Thermostat gasket?????

    I just put a closed cooling system on my merc 4.3, the gasket that came off of the old thermostat housing has rivets, the new one with the kit does not. Is this going to be a problem, and what are those rivets for?
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