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  1. 9

    454 carb question

    well I had a carb shop rebuild the Qjet, and it starts fine except when in chop or 2-3 ftrs. It still requires a full throttle to fire up. When its sitting at a dock, it starts with no throttle advance. Is this to be expected in wave action with engine off ? thanks for any input
  2. 9

    454 carb question

    thank you I will update with results when complete...
  3. 9

    454 carb question

    Hi, any thoughts on how I should proceed on this problem Im having. When the 1990 23 ft 454 naturally aspirated wellcraft bobs in the lake wave action for up to an hr it wont start without full throttle and of course when it does kick over its high rev start.I would just consider hard to start...
  4. 9

    cooling bypass tee at stat

    Im working on a 1990 7.4 mag merc IO. How much pressure should the 2 nylon spring loaded balls have against the thermostat housing ? currently they touch the housing with the least amount of pressure. I was worried of over loading the spring pressure. I am currently eliminating sources for...
  5. 9

    breakiing down a CI exhaust manifold

    Hi, I need to verify that I don't have a blockage in the cast elbow that is threaded into the bottom of the manifold. I wonder what the chances are that the elbow will simply snap when I try to remove ? Not sure if the plug on top is worth trying to remove or do they basically freeze up also...
  6. 9

    bravo 1 water pick up

    hi, What would be the best way to do an inspection for any obstruction in the water hose from the lower unit to the hose connection at the transom in the boat . this boat is a1990 wellcraft nova with 454 and bravo 1. thanks jim
  7. 9

    fiberglass spot repair

    Hello, I need to patch a wear spot in an unfinished anchor compartment with a flat gel coat white finish. Fiberglass mesh is visible in the coating. What type of gel coat is recommended to patch this area, waxed or unwaxed and white or neutral? Thanks, Jim
  8. 9

    7.4 increased operating temp

    Hi, I have a 23' wellcraft with a 454 and was operating the boat at approx. 3800 rpm for a few minutes on a nice smooth stretch of lake erie and noticed the temp gauge up 5 + deg from where it normally reads (150) causing the secondary temp sender to emit a signal to the temp light so I backed...
  9. 9

    convert temp gauge

    hi, I am trying to change my temp gauge, I have the same brand replacement gauge however, the method that illuminates the gauge is different from my original. The original light has brass tabs that contact a brass tab on the back of the gauge to make contact- the new gauge has no such contact. I...
  10. 9

    freeze plug replacment

    Hello, If replacing a freeze plug will any plug do, or does a marine environment necessitate brass material. Not sure what is best. application is a 305 mercruiser thanks jim
  11. 9

    ship to shore radio

    Hello, I have a few questions about ship to shoe radios, could someone explain what distance constitutes short range and vise versa for long range and why wouldn't you just use long range all the time . what happens if your 100 ft from someone and on long range. my marine radio receives but...
  12. 9

    stereo question

    Hi, does anyone have any recommendations on a stereo receiver that still comes with a wired remote . I need to replace the original and didn't want a hand held remote .
  13. 9

    brand of gauges 90' wellcraft

    Hello, does anyone know what the brand of gauge is which has what looks like the letter A located bottom center of the gauge the application is in a 1990 wellcraft nova 23', or where would I go to purchase such gauges (temp) specifically. thanks jim
  14. 9

    Newer style thermostat housing

    I have a 90 454 Merc with newer thermostat housing, it has a pin with a spring loaded ball on 2 ports of the housing. Can someone explain what those spring loaded balls actually do? Thanks.
  15. 9

    temp gauge has me puzzled

    Hello, I have a 90' wellcraft nova with oem gauges and had my temp gauge rose above its normal operating temp( 150 gauge reading,140f stat) towards 180-190 so I shut it down, so I assumed ok new stat . So I pulled stat tested it on the stove and felt it opened a little hot (150-160f) . Before I...
  16. 9

    trailer breakaway system problems

    I'm not getting my brakes to engage when I pull the pin on my breakaway system. I put a new battery on it and nothing on either side, however when I connect terminals to trlr battery an elect arc occurs as if there is a draw and a meter reading shows a lower voltage. Are the magnets in the...
  17. 9

    electric brake trailer battery

    what is the purpose of the battery mounted on the trailer with elect brakes and what maintenance should be done. I was under the impression the braking action power came from the towing vehicle. thanks jim
  18. 9

    Wellcraft auto bilge pump float

    HI, On my 1990 Wellcraft Nova, my factory(+) positive wire that goes from auto float switch and instrument panel has become disconnected and I cannot locate the proper connection prong. I know the float should have power without ignition on but I'm not sure exactly where to pull the power from...
  19. 9

    fuel pump gasket

    I purchased a new fuel pump and have three gaskets in the box. The new gaskets don't appear as thick as the original so how do I know how many to use. The calipers read .019 on each new gasket. Any ideas ? The pump is for a 454 mag bravo 1990. ​thanks jim
  20. 9

    1990 7.4 magnum fuel pump

    Hello, Would it be a good idea to replace my fuel pump on a 1990 7.4 Mercruiser as a proactive measure? Its not giving me any trouble currently, and is original equipment. ​thanks jim
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