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  1. alldodge

    Teleflex 73742 trim gauge vs sender resistance values

    Most likely will not find one that looks exactly like your old one. Look into Faria, VDO, Autometer gauges, might get close
  2. alldodge

    Black cap trim.

    The pump should be self priming. Wonder if when the relief was loosened a piece of crud got under the valve and is keeping it open
  3. alldodge

    Teleflex 73742 trim gauge vs sender resistance values

    The North American standard is 240 to 33 ohms (Empty to Full) The European standard is 0 to 180 ohms (Empty to Full) So your gauge is working closer to the European style The 0-50 for the sending unit has me wondering if it isn't a switch
  4. alldodge

    Need better hole shot

    This tells me most of the issue and changing props will not do much as you have found out. A 5.0 isn't much better then a 4.3, and what you need is more HP. You could fix it with a 5.7 but not sure your willing to do that. Is the motor a carb or MPI?
  5. alldodge

    Trailer wiring plug

    Only if you have disc brakes, drum brakes don't use it Both drum and disc have a mechanical means to lock out the brakes if needed. It will be close to the coupler
  6. alldodge

    Trailer wiring plug

    Kind a sort of I'm just talking about the white wire at the 4 pin plug. You can connect more then 1 wire to the white wire to use as ground. The wires will go to all lights on the trailer. Each of those wires are used to splice to each light. The white can also be grounded to the frame The...
  7. alldodge

    Needs help with template for rotten transom

    Don't know for what motor but if it's a Merc
  8. alldodge

    Trailer wiring plug

    None of the wires are used by the surge brake. When brakes are applied by the tow vehicle the trailer brakes are applied by the trailer tongue sliding and thereby pressure is applied on the surge master cylinder. As the trailer slows and matches speed of tow pressure is reduced. Need to ring it...
  9. alldodge

    Trailer wiring plug

    Welcome White is ground Brown is tail lights Green is right brake Yellow is left brake
  10. alldodge

    Wont go past 2500 rpm

    Your motor doesn't have a in neutral/gear switch according to the serial number
  11. alldodge

    Wont go past 2500 rpm

    That may or may not be an issue. It's a GM part and may be able to get it from a GM dealer. It's a 1 Bar (1 atmosphere) pressure sensor
  12. alldodge

    Wont go past 2500 rpm

    Do make sure the electrical wires and connections are good. A bad connection will give same issue
  13. alldodge

    Wont go past 2500 rpm

    Searching around using old number I found one at walmart for $97, do look around https://www.walmart.com/ip/Sensor-MAP-Sensor-GM-V6-V8-MPI-Mercruiser-Indmar-1998-Up-Pro-8817-Cross-Ref-881731-8M0054726-18-7660-3861321-556102-8M0054726-861249-861249A1/905199679
  14. alldodge

    Wont go past 2500 rpm

    The MAP circuit is causing a problem, and can be the MAP or the circuit. In most cases it is the MAP but look close at it to see if it has already been replaced by prior owner Merc does really like there parts, really high Original was 861249A1 Updated one is 8M0186195 $280 Item 12...
  15. alldodge

    Wont go past 2500 rpm

    33 is MAP voltage high - yours is a MEFI 1 Means either the MAP is bad or signal lead is shorted to power 5V or grounded
  16. alldodge

    Wont go past 2500 rpm

    Tad low (might be the gauge) but looks good for idling
  17. alldodge

    1976 36' Chris Craft Commander Trim Tabs "Needed"?

    ok, I hope there is someone here which has one
  18. alldodge

    Doing a Full Removal 1986 Mercruiser 3.0L 140 hp Engine Question

    Without knowing your given boat and setup Merc list the carb 3.0 Dimensions (LxWxH) in 29 x 26 x 21
  19. alldodge

    1976 36' Chris Craft Commander Trim Tabs "Needed"?

    Welcome Trim tabs help level a boat, and if lowered further will push the bow down. With pushing bow down the stern can also move up, but not the same amount. Tabs in all cases increase drag, and the increase drag will reduce fuel economy.
  20. alldodge

    Wont go past 2500 rpm

    This should be zero psi, it's before the pump. You need to place gauge between fuel pump and throttle body Go to post 15 and click one the word "FUEL" it takes you to the TB and shows were it can be connected at Don't run motor above 1500 on a hose. The hose can not supply enough water to keep...
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