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  1. M

    mercruser 888 wont rev past 2000 when in gear in the water

    oh and another thing for one turn ofthe engine the prop will turn about 1 and an 1/8 of a turn can you tell if this is the correct gear ratio maybe some body messed up there? any way appreciate your help Thanks a lot Mauro
  2. M

    mercruser 888 wont rev past 2000 when in gear in the water

    wow thank you a lot I will answer those questions from the top on down wards. The timing curve is the one with the silver springs it goes to 24 degrees advance at around 15 hundred. I loosened the dist hold down bolt while engine was running maxed out didn't make a difference was set...
  3. M

    mercruser 888 wont rev past 2000 when in gear in the water

    so far every body that i have asked cant explain why i have no power they all got to the end of their wisdom same counts for me
  4. M

    mercruser 888 wont rev past 2000 when in gear in the water

    no the original cam had the 351 firing order of 13726548. as for the prop do you think it is to big? I thought changing pitch by one inch only changes the rpm by 300 is that correct?
  5. M

    mercruser 888 wont rev past 2000 when in gear in the water

    what do you mean by that? is it possible to have a wrong cap? I rechecked the wires and they are going round the dist the correct way and correct firing order leading to the correct plugs. except if cylinder are numbered incorrectly is that possible on those fords? thank you for those replies Mauro
  6. M

    mercruser 888 wont rev past 2000 when in gear in the water

    so it will still run smooth if hoked up incorrectly? it does not back fire it purrs like a kitten just wont rev up no power
  7. M

    mercruser 888 wont rev past 2000 when in gear in the water

    The new comp cam has the older 15426378 firing order instead of the 351 firing order. It is suposed to put out around 200 hp with that cam
  8. M

    mercruser 888 wont rev past 2000 when in gear in the water

    I tried pouring in some fuel in the carb while it was at 2000 but made no difference it actualy even slightly staled
  9. M

    mercruser 888 wont rev past 2000 when in gear in the water

    three blade 21 pitch re pitched to 17 pitch mercruiser prop
  10. M

    mercruser 888 wont rev past 2000 when in gear in the water

    Hi guys I am back again, with still the same issue. My 888 wont go above 2000 rpm under load here is a list of things new on engine and its shape: new comp cam new comp lifters new comp pushrods rebuilt carb new pertronix electronic ignition distributor new coil new wires new spark plugs...
  11. M

    mercruiser 888 spark plug

    Perfect thank you
  12. M

    mercruiser 888 spark plug

    Hey all do you guys have any idea what spark plugs to use in a Mercruiser 888? Any help appreciated Thanks in advance Mauro
  13. M

    mercuiser 888 wont idle below 1000 rpm

    so did a compression test #1 160 #2 145 #3 150 #4 150 #5 150 #6 145 #7 150 #8 145 I don't know what to hold of the 160 Maybe carbon build up?
  14. M

    mercuiser 888 wont idle below 1000 rpm

    sorry about those spelling errors another symptom is that it misses so not firing in all cylinders Thank you for all the help Mauro
  15. M

    mercuiser 888 wont idle below 1000 rpm

    I will do another compresion chek as soon as I can I cant rent a leak downcompression tester
  16. M

    mercuiser 888 wont idle below 1000 rpm

    I did before starting they were all to specs but I willtest it again now that it has run to see if there is a difference
  17. M

    mercuiser 888 wont idle below 1000 rpm

    and how do you adjust/test the lifters/valves? thank you for helping me out Mauro
  18. M

    mercuiser 888 wont idle below 1000 rpm

    so what would you recomend to do
  19. M

    mercuiser 888 wont idle below 1000 rpm

    how can you adjust the carb at wot? the back fire happened before timing was adjusted
  20. M

    mercuiser 888 wont idle below 1000 rpm

    do you think the power valve is letting in all that fuel for it back fired quite hard when I started it up the firs time thank you Mauro
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