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  1. alldodge

    Overheating

    Normally the small hose coming from the pump goes to the Man's for main cooling. There is also a small opening to allow AF to bypass the thermostat (TS) so air can escape along with allowing a small amount to pass With no connection to the TS other then the 2 hoses going to the Mans, would...
  2. alldodge

    Overheating

    Was hoping if you were in fresh I would suggest removing the HX, but ok back to the problem Can you sketch up a drawing of the hose routing's. Could use the one I posted above and just indicate where its different
  3. alldodge

    Tach at 0 when cranking 5.0 MPI

    Might just need a new tach or maybe corrosion on the wire or connection The 300 rpm is if its cranking and does not start. The ECM sees what the distributor is doing in milliseconds. So if it sees it firing and pulses the injectors before Tach will react so you can see
  4. alldodge

    Mercruiser mpi ecu mapping

    Being a 2000 its probably a MEFI, and being a MEFI means anyone can retune with software like MEFIBURN
  5. alldodge

    Overheating

    Water isn't circulating and sounds like a head gasket leak. Use an IR temp gun or put your hand on top the thermostat housing. If the housing isn't hot then the thermostat is closed. If it is hot, are any of the hoses coming out of the housing warm/hot? BTW are you in salt water?
  6. alldodge

    1998 digital ignition 5.7 carbureted taking flat when at 165F

    0L058689 comes back as TBI so no carb Yes, your running rich The ECM controls fuel flow by info from the MAP and TPS. Need to start by checking fuel pressure. There is a plug (item 3) that can be removed to attach a gauge https://www.mercruiserparts.com/bam/subassembly/31844/2704/110
  7. alldodge

    1998 digital ignition 5.7 carbureted taking flat when at 165F

    Need a serial number? Might just need a carb rebuild What do the plugs look like?
  8. alldodge

    1" spindle trailer axles still sold anywhere???

    I think the 1 inch and 1 1/16 (1.063) is the same axle. The ID of the 1 inch axle bearing is 1.063
  9. alldodge

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    Block is drilled for 4 bolt but Mfg can use 2 bolt mains Same with cam
  10. alldodge

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    14093638 Manufacturer: Chevrolet Category: Engine Blocks Type: Small Block V8 Date: 1987-1995 Notes: 350, 2 bolt or 4 bolt, roller or flat tappet cam, 1-piece rear seal
  11. alldodge

    1999 5.0 Gi running fuel pumps off the ignition

    Its a safety thing, so long as nothing happens which probably won't
  12. alldodge

    Identify carb for rebuild

    I would suggest contacting carburator-parts.com which is Mikes carburetors. They will stand behind the parts and offer the info to find the right one I also found mentioning 75004-1 at sussex marine
  13. alldodge

    Boat winterized and summarized each year but not used in 5 years

    Very good point, let them hook it up
  14. alldodge

    Boat winterized and summarized each year but not used in 5 years

    A 1994 should be a carb Take a 5 gal gas can and maybe 3 to 5 ft of gas line. Disconnect the line from the tank to the fuel filter. Attach hose to fuel filter and stick the other in down in the can
  15. alldodge

    4.3L GL-G Fuel Pump not getting power

    Not sure but think most are in line under some insulation. To check, use a ohm meter and see if you can get continuity from ALT to relay and Start assist relay to fuel pump relay
  16. alldodge

    Help with Battery issues after stereo install

    I would bet Red is main and Yellow is ACC
  17. alldodge

    Boat winterized and summarized each year but not used in 5 years

    If its "actually" been winter/summer then it gets ran and has at keast been run on 4 year old gas. That said it could also be there taking his money and not doing the work. If the drive is in the up position then boots need replaced, not that it wouldn't be a bad idea to do it anyway. Open...
  18. alldodge

    4.3L GL-G Fuel Pump not getting power

    Don't have the GL-G but have the E Choke is powered from a different tap then the pump Fuel pump relay is energized when the Yellow/Red is powered while cranking Once started the ALT powers thru the Green wire Check the diodes
  19. alldodge

    Mercruiser 5.7 V8 (1997) jumping RPM

    The sensor is under the distributor cap https://www.amazon.com/B-Ignition-MerCruiser-Thunderbolt-Distributor/dp/B0784MSV3P/ref=pd_lpo_2?pd_rd_i=B0784MSV3P&psc=1
  20. alldodge

    Mercruiser 5.7 V8 (1997) jumping RPM

    That's the TBV module and connector
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