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  1. alldodge

    Oil pressure switch

    Unsure of the 20 degree bow down issue, but would figure this shouldn't be an issue. The oil pressure switch does not need to be closed for the fuel pump to run during cranking. There is a lead on the left outside of the starter solenoid (purple/yellow) which powers the fuel pump during...
  2. alldodge

    4.3 running hot on one side

    Not knowing the serial number it could have had one of Mercs "special" drain systems, yours doesn't so all good. Your cooling system is pretty simple, so if the thermostat, hose, connector, mans, elbows and have used the correct gaskets then it should not happen. This is Bravo drive Suggest...
  3. alldodge

    Used Bravo 3, what to look for?

    Yes to both props and ratios, there are different ones Props from about 18 to 30 pitch Ratios
  4. alldodge

    1979 MCM 260 Impeller Kit Part #'s and Timing Question

    The old drawings are not very good. The thin cork goes in first, then the thermostat, then paper one with the slot on top. Water flow needs to make it past the thermostat (square hole) to keep water in the manifolds. The cooling systems work but most all would be better off converting to newer...
  5. alldodge

    496 HO Mystery Horn, not logged in ECU

    Could use the engine serial number, but being an 06 it may have an in gear switch. If it does, disconnect the switch and see if it does it again. You will not have the interrupter switch
  6. alldodge

    4.3L I/O Bad Coupler Again..

    OK, missed those, yes its toast
  7. alldodge

    timing bouncing around

    Need a voltmeter Remove the wires off the + side of the coil. Then measure if any are hot
  8. alldodge

    2001 volvo Penta 5.7L gsi EFI won't stay running

    I'm seeing a 5.7 GSi as TBI and not MPI If this is correct, you will need the GM TB adapter. If you have a local auto store that rents tools it may have the adapter in the fuel pressure gauge tester. Otherwise you need one of these (search for GM TBI adapter)
  9. alldodge

    Trouble in Sweden, merc 7.4 tbi running rich

    Plugs MR43T and gap 9mm (.035) Timing 8 BTDC with distributor in base timing mode Fuel pressure 255 kPa (37 psi) To measure fuel pressure, you will need a adapter to connect to the throttle body, part number 91-806901 There is a small vacuum hose on the cool fuel module which is on the port...
  10. alldodge

    Base timing for 4.3GL APHUB (1995)

    You should have the EST distributor. Remove the 4 wire connector on the right and connect the VP timing tool 885163-6 and connect the black lead to 12V. This places the distributor in base timing mode. If you don't have the tool, will need to connect the 2 white wires together, and hope you...
  11. alldodge

    5.0 OSi-E low power, unable to hit RPM & WOT.

    I loaded the firs xdl file using a mefi3 definition and the MAP is staying steady at 8 kpa and TPS is at 0. The second xdl file does next to nothing
  12. alldodge

    How do I lenghten idle cable? 3.0 LX

    Remove 2 nuts and washers. Slide cable off the 2 stud post. Adjust carb to correct idle rpm and shut the motor off Rotate the barrel nut toward or away from crab stud post until the cable and barrel nut will just slide on to both stud posts. Once adjusted, remove cable off again and rotate the...
  13. alldodge

    2008 4.3L Merc temperature sensor for the alarm

    Thanks, that is the part number I'm finding also. The Black wire is going to a good ground
  14. alldodge

    Mercruiser 4.3L Engine Won't Start

    A visual
  15. alldodge

    Mercruiser 4.3L Engine Won't Start

    Don't know which order the wires are in on your relay
  16. alldodge

    Mercruiser 4.3L Engine Won't Start

    Thanks for the number The slave is on top the motor and looks like the pic below. With the key on or off (doesn't matter) jump across the two large top terminals. When doing this it should energize the starter, then its probably the relay. To verify if it does, then check to see if your...
  17. alldodge

    Mercruiser 3.0 idle rpm increase when hot

    Don't see it being temp of the motor. The wrong plugs can cause issues and also as mentioned before Check adjustment on shift interrupter Do a compression test Check timing 6 BTDC
  18. alldodge

    91 Mercruiser 7.4l Bravo One Tripping Circuit Breaker

    I think this is the Ah Ha moment Someone cut the Red/Purple (Main power from Battery) and is using the smaller Purple wire to power everything on the motor. The Red/Purple should go to the 50 amp breaker, from there thru the engine connector to the key switch By cutting the Red/Purple...
  19. alldodge

    Oil pressure sender

    This is the type for the gauge
  20. alldodge

    Overheating Issue

    Not sure, but thing on the starboard side front looks like a HX. The things on the port side top appear to be Antifreeze and Power Steering Not real sure
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