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  1. Scott06

    Advice Needed on Boat Repair.

    If you look at part number 7 in attached link is merc and sierra parts for the DDIS wire set https://www.marineengine.com/parts/mercruiser-sterndrive-parts/30lx-gm-181-il4-19901995/0c856559-thru-0f603999/digital-ignition-components I had the same DDIS on my 1991 Sea Ray. was still working...
  2. Scott06

    Alpha gen 1 shift cable adjustment.. cannot get reverse.

    As long as throttle opens fully should be ok
  3. Scott06

    Alpha gen 1 shift cable adjustment.. cannot get reverse.

    I think if you run it on land and shift in and out of gear and it works/ no clicking once in gear should be ok . I think the 6.5" just means the lower is stretched.
  4. Scott06

    Trim gauge

    Wasn't disagreeing its only nice to know full up and full down rest of time trimming by feel
  5. Scott06

    Trim gauge

    That's not what I meant... meant that you dont need a trim gauge , nice to have yes but certainly would spend time and money to put one in or replace the sender unless I was doing bellows anyways.
  6. Scott06

    Trim gauge

    having had boats with out gauges or non functional gauges I would not bother. The limit switch is to make sure you do not over trim at speed and is somewhat needed
  7. Scott06

    Ford 302 issues

    12 v to positive side of coil . Points or electronic should jump 5/16 or 3/8 on gap tester if in good shape
  8. Scott06

    Impeller Question with Rabbit Ears On

    Agreed 140 stat got me 150-155, 160 stat steady 170
  9. Scott06

    2002 Volvo 5.0 GXI Low Operating Temperature

    Would also test the thermostat housing with an IR gun to see if gauge is off. If you take the thermostat out you can test it in a pot of water use a meat thermometer to see what temp it starts opening at
  10. Scott06

    86 Larson DC21 Engine Help Please...

    Less work than you think as long as there is 4" in front of the 4.3 if you friend has a complete merc pulleys to prop and boat is in good shape this is the way to go. Otherwise yes a 4.3 out of a wrecking yard is cheapest way
  11. Scott06

    New Y pipe

    Take $2 k for parts divide what’s left by hours BT listed….
  12. Scott06

    Impeller Question with Rabbit Ears On

    It should be fine unless it was a cheap aftermarket one. Stay with oem impellers . In fresh water I get at least six out of mine .
  13. Scott06

    Motor knocking. Mercruiser 3.0 alpha 1

    I edited the post and added it , I think your first response was while I was editing… 10 psi per 1000 rpm hot is fine. Check for backlash in timing . If I recall 3.0 s can be a little clacky or at least mine was. I think on the trailer and running on muffs it was louder than my current 5.0
  14. Scott06

    Motor knocking. Mercruiser 3.0 alpha 1

    You can probably diagnose the timing gears with out removing the cover. Take the plugs out turn the crank and see if there is excessive backlash making the cam, distributor shaft , or valve train move when you reverse crank direction. May have to pull lifter side cover to see cam what oil...
  15. Scott06

    Ford 302 issues

    When it happens check to see what spark strength is with gap tester , see if you have proper volts to positive side of coil ( not sure if u have points or electronic) , disconnect tach wire at coil
  16. Scott06

    Need better hole shot

    yes thats what I was saying a 4 blade in between 16" pitch and 21" pitch.
  17. Scott06

    4.3L mercruiser with points. Timing question.

    if you ever have an issue out on the water you will not need the manual ... I keep a spare module, trigger sensor and coil in my tool box on the boat...
  18. Scott06

    4.3L mercruiser with points. Timing question.

    Sucks when new chit doesn't work out of the box.
  19. Scott06

    Need better hole shot

    I meant 16" pitch I generally ignore the diameter. You mentioned 16" being too low, 21 " pitch being a little lazy. was wondering if you had tried a 18" or 19" pitch being in between. I had found the 18" vortex good for all around , would just swap it for the 16" when skiing.
  20. Scott06

    serpentine belt too close to exchanger?

    Yeah - willing to bet someone stepped on the heat exch or was laying on it. Wonder if it can be tweaked back a bit
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