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  1. Mattsbuoy

    1996 454 thunderb ign thompson wont get on plane

    More mysteries.
  2. Mattsbuoy

    1996 454 thunderb ign thompson wont get on plane

    That is correct
  3. Mattsbuoy

    1996 454 thunderb ign thompson wont get on plane

    Next...... geez..... distributor has 1 plug into the right socket if looking from the front. Left socket is empty. Again referring to in cockpit looking at front of engine . Typical seller not as honest as I am. Or most I'm thinking. Reminder it runs starts good. Won't plane
  4. Mattsbuoy

    1996 454 thunderb ign thompson wont get on plane

    Distributor only using 1 socket. If looking at the engine from drivers seat socket on left is empty. Guessing this thing is a crazy girlfriend candidate.
  5. Mattsbuoy

    1996 454 thunderb ign thompson wont get on plane

    Good plug but........ need to find wire for this sensor. Urgh. Where does it come from? Thabk ypu
  6. Mattsbuoy

    1996 454 thunderb ign thompson wont get on plane

    Thank you will have to test that
  7. Mattsbuoy

    1996 454 thunderb ign thompson wont get on plane

    Carb. Smooth valve covers. Will look at timing cover when in there doing tune up. .035 gap on Delco plugs? Will do compressions at tune up also. Thank u Not sure about pressure other than idle and startup and 1500 and below are flawless fyi.
  8. Mattsbuoy

    1996 454 thunderb ign thompson wont get on plane

    Cannot read plate. Single screw so engine is deep in hull. Will try to gwt it at tune up. Owner had nothing. I have boat hull number.... can I search that way? Thank u everyone. I live on no wake but still I want to be able to shoot across the lake sometimes.
  9. Mattsbuoy

    1996 454 thunderb ign thompson wont get on plane

    1996 mercruiser bravo with thunderbolt ignition. I cannot read the serial number as single screw its buried deep. Owner had nothing
  10. Mattsbuoy

    1996 454 thunderb ign thompson wont get on plane

    Great input. Thank you.
  11. Mattsbuoy

    1996 454 thunderb ign thompson wont get on plane

    Engine or boat? If ur asking engine I need to know where to look please and thank u.
  12. Mattsbuoy

    1996 454 thunderb ign thompson wont get on plane

    Treated 1/2 tank old gas with proper seafood amount due to fiberglass tank in thompson. First run it wouldn't go up on plane either so I went to marina and filled up tank. More seafoam? To retreat the old gas? Thank u
  13. Mattsbuoy

    1996 454 thunderb ign thompson wont get on plane

    Thank you for assistance. Used boat starts great idles great slow operation around 1100 in now wake is great. Will not get up on plane. Fresh gas and oil change and arrester cleaned and fuel sep changed. Going to do cap rotor wires and plugs tonight. Is there an electrical diag to confirm plug...
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