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    • Threads: 6,299
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  1. drain valve sump plug

    Started by kunbarrie, 01-15-2021 12:39 AM
    • Replies: 3
    • Views: 162
    Yesterday, 01:51 PM Go to last post
  2. Ignition control module

    Started by 805HD, 02-26-2021 02:50 AM
    • Replies: 7
    • Views: 71
    02-26-2021, 08:47 PM Go to last post
  3. Hydrolocked in the parkinglot

    Started by gica69, 08-06-2020 04:40 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 104
    • Views: 1,350
    02-26-2021, 04:05 PM Go to last post
    • Replies: 9
    • Views: 59
    02-25-2021, 10:05 PM Go to last post
  4. Question 1989 Mercruiser 4.3L - fuel related problems

    Started by Joey White, 02-19-2021 04:11 PM
    2 Pages
    1 2
    • Replies: 50
    • Views: 386
    02-25-2021, 12:27 PM Go to last post
  5. Water in multiple cylinders after running engine

    Started by phaskins, 02-23-2021 02:26 PM
    • Replies: 7
    • Views: 70
    02-24-2021, 07:51 AM Go to last post
  6. Pulling a bad engine, changing to EFI?

    Started by BenSmith, 02-21-2021 02:51 AM
    • Replies: 10
    • Views: 141
    02-23-2021, 11:17 AM Go to last post
  7. safe compression ratio sbc

    Started by Returntrip, 12-20-2020 10:16 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 110
    • Views: 1,646
    02-21-2021, 03:12 AM Go to last post
  8. Wonít Start After Three Months

    Started by Island_Hopper, 02-16-2021 09:31 PM
    • Replies: 8
    • Views: 109
    02-18-2021, 12:01 PM Go to last post
  9. Alternator tensioning arm keps breaking

    Started by Harry Searay, 02-16-2021 07:55 PM
    • Replies: 1
    • Views: 53
    02-16-2021, 08:46 PM Go to last post
  10. 190 Amp Powerline alternator on BBC

    Started by o2batsea, 02-11-2021 10:14 AM
    • Replies: 4
    • Views: 111
    02-16-2021, 09:48 AM Go to last post
  11. Older engine, Low hours - Concerns ?

    Started by abl1111, 02-04-2021 04:45 PM
    • Replies: 9
    • Views: 187
    02-08-2021, 08:56 AM Go to last post
  12. What is that part?

    Started by thadula, 02-02-2021 04:46 PM
    • Replies: 4
    • Views: 137
    02-02-2021, 11:46 PM Go to last post
    • Replies: 10
    • Views: 128
    02-02-2021, 07:23 AM Go to last post
  13. Thunderbolt IV timing issue

    Started by willytv, 07-29-2014 11:30 AM
    • Replies: 20
    • Views: 2,663
    01-26-2021, 05:00 PM Go to last post
    • Replies: 7
    • Views: 278
    01-24-2021, 09:10 PM Go to last post
  14. Upgrade bigger motor

    Started by Smick, 12-24-2020 06:58 AM
    • Replies: 23
    • Views: 429
    01-24-2021, 05:41 PM Go to last post
  15. Post New boat winterize?

    Started by Chubb, 01-12-2021 09:04 PM
    • Replies: 3
    • Views: 158
    01-13-2021, 08:23 AM Go to last post
  16. Trim system fluid change

    Started by Mark S., 01-09-2021 11:16 PM
    • Replies: 8
    • Views: 217
    01-12-2021, 01:24 PM Go to last post
  17. Question Mercruiser 4.3L Rear Engine Bushings

    Started by sallen98, 10-12-2020 08:59 AM
    • Replies: 8
    • Views: 551
    01-11-2021, 07:01 PM Go to last post
  18. OMC 351W to Bravo 3?

    Started by Rixram, 01-02-2021 02:26 AM
    • Replies: 28
    • Views: 373
    01-09-2021, 11:26 AM Go to last post
    • Replies: 2
    • Views: 168
    01-07-2021, 11:16 AM Go to last post
  19. Advice on removing ECM

    Started by Mark S., 12-30-2020 03:07 PM
    • Replies: 2
    • Views: 202
    01-01-2021, 09:55 PM Go to last post
  20. Electric fuel pump - no power

    Started by sdoomaha, 08-02-2018 12:37 PM
    • Replies: 4
    • Views: 323
    12-30-2020, 01:40 PM Go to last post
  21. 1977 Glassmaster Gulfstream 900 ESD

    Started by Cadmandu, 11-20-2020 09:06 AM
    2 Pages
    1 2
    • Replies: 32
    • Views: 705
    12-26-2020, 07:34 AM Go to last post
  22. Help Merc 260

    Started by Robertkuruc, 12-24-2020 03:57 PM
    • Replies: 4
    • Views: 195
    12-24-2020, 05:35 PM Go to last post
  23. 383 Mag Stroker Hot Start ICM Problem

    Started by Franics, 12-18-2020 10:24 PM
    • Replies: 6
    • Views: 250
    12-19-2020, 11:17 PM Go to last post
  24. Prop shaft play

    Started by Tracygold, 12-07-2020 06:44 PM
    • Replies: 21
    • Views: 461
    12-12-2020, 01:39 PM Go to last post
  25. Slow Engine Cranking

    Started by DRK82, 12-10-2020 05:28 PM
    • Replies: 8
    • Views: 297
    12-11-2020, 08:59 PM Go to last post
    • Replies: 3
    • Views: 293
    12-09-2020, 10:26 PM Go to last post
  26. Alpha One Shift Problem

    Started by DRK82, 12-09-2020 09:19 AM
    • Replies: 5
    • Views: 277
    12-09-2020, 07:32 PM Go to last post
  27. OMC 120 to Mercruiser 470 conversion

    Started by 460racer, 11-10-2009 02:14 AM
    • Replies: 24
    • Views: 4,846
    12-08-2020, 10:21 AM Go to last post
  28. 350 Hp electric outboard

    Started by Bt Doctur, 11-30-2020 06:56 PM
    • Replies: 1
    • Views: 332
    12-07-2020, 11:45 PM Go to last post
  29. Starter Issues - 4.3 mercruiser

    Started by kirkll, 12-06-2020 02:24 PM
    • Replies: 11
    • Views: 319
    12-07-2020, 01:35 PM Go to last post
  30. new engine coupler problems

    Started by bayliner2452, 07-30-2017 06:18 PM
    • Replies: 2
    • Views: 648
    12-07-2020, 01:13 PM Go to last post
  31. Question Engine Alignment

    Started by ronkrifchin, 12-03-2020 08:10 AM
    • Replies: 26
    • Views: 485
    12-05-2020, 10:00 PM Go to last post
  32. Mercruiser 4.3 underpowered?

    Started by XS POWER, 12-01-2020 10:47 AM
    • Replies: 9
    • Views: 338
    12-02-2020, 09:25 PM Go to last post
  33. Minnesota Hillbilly Welder

    Started by timguy, 11-14-2020 02:33 PM
    • Replies: 9
    • Views: 543
    12-02-2020, 10:21 AM Go to last post
  34. 2006 Horizon 8.1 exhaust manifold lifespan

    Started by outobie, 09-16-2019 10:25 AM
    • Replies: 13
    • Views: 936
    12-01-2020, 10:13 AM Go to last post
    • Replies: 4
    • Views: 306
    12-01-2020, 10:10 AM Go to last post
  35. MErcury 4.3 V6 with alpha 1 sterndrive problem

    Started by duncaninnz, 11-30-2020 11:24 PM
    • Replies: 1
    • Views: 294
    12-01-2020, 08:07 AM Go to last post
  36. meds marine engine diag. system cdi electronics

    Started by bcclew, 09-10-2019 03:50 PM
    • Replies: 5
    • Views: 1,155
    11-30-2020, 09:57 AM Go to last post
  37. never Pumped Water

    Started by guppy, 11-29-2020 11:37 AM
    • Replies: 3
    • Views: 310
    11-29-2020, 08:23 PM Go to last post
  38. Angry Alphaone gen1outdrive

    Started by Tracygold, 11-27-2020 10:48 PM
    • Replies: 13
    • Views: 342
    11-29-2020, 07:45 PM Go to last post
    • Replies: 17
    • Views: 1,275
    11-27-2020, 10:13 PM Go to last post
  39. Choke issues

    Started by Rscottdds, 11-17-2020 05:01 PM
    • Replies: 17
    • Views: 533
    11-26-2020, 06:48 PM Go to last post
  40. Alpha 1 Gen 2 lower gear oil

    Started by ncsufan35, 11-18-2020 04:11 PM
    • Replies: 4
    • Views: 399
    11-26-2020, 06:40 PM Go to last post

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