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Forum: Technical Discussion

The place for mechanics, racers, governing body officials, tech-talk junkies, or anyone seeking engine-related technical help.

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  1. Exclamation Sticky Thread Sticky: New low cost ECU alternative!

    Started by Tony Brucato, 07-21-2006 08:51 AM
    5 Pages
    1 2 3 4 5
    • Replies: 74
    • Views: 122,970
    09-20-2020, 11:40 AM Go to last post
  2. Sticky Thread Sticky: Alisyn Oil Promotion - Free Shipping On All Orders!

    Started by Scream And Fly, 02-03-2006 04:03 PM
    5 Pages
    1 2 3 4 5
    • Replies: 73
    • Views: 121,322
    08-15-2020, 04:04 PM Go to last post
  1. Mid Section exhaust reliefs

    Started by VkingMike, 01-13-2023 09:14 AM
    • Replies: 9
    • Views: 618
    Today, 03:10 AM Go to last post
  2. How can I make my boat a little faster?

    Started by Spaceman Spiff, 02-02-2023 08:56 PM
    5 Pages
    1 2 3 4 5
    • Replies: 60
    • Views: 1,111
    Today, 01:21 AM Go to last post
  3. 3.0 merc lower unit questions

    Started by JJfast, Yesterday 05:12 PM
    • Replies: 1
    • Views: 48
    Yesterday, 10:28 PM Go to last post
  4. 200xs oil line routing

    Started by Action21, Yesterday 01:17 PM
    • Replies: 0
    • Views: 33
    Yesterday, 01:17 PM Go to last post
  5. 2l exhaust chest work/porting

    Started by SJD1974, 01-31-2023 06:55 PM
    • Replies: 12
    • Views: 388
    Yesterday, 10:48 AM Go to last post
  6. Need part number for 3L engine rigging coupler

    Started by TraceF3, Yesterday 10:38 AM
    • Replies: 0
    • Views: 39
    Yesterday, 10:38 AM Go to last post
  7. 135 blackmax carbs.

    Started by chevy355mark, 02-04-2023 12:50 PM
    • Replies: 2
    • Views: 91
    Yesterday, 01:31 AM Go to last post
  8. Optimax 200 engine oil tank leaking down

    Started by wtlee3, 02-16-2011 02:15 PM
    • Replies: 3
    • Views: 1,484
    02-03-2023, 07:06 PM Go to last post
  9. Mercury 250xs ADVICE

    Started by drwarz, 01-31-2023 11:24 AM
    • Replies: 5
    • Views: 165
    02-03-2023, 04:18 PM Go to last post
  10. Optimax Oil Tank Question

    Started by TraceF3, 01-31-2023 04:36 PM
    • Replies: 10
    • Views: 164
    02-03-2023, 09:54 AM Go to last post
  11. CCMS Reed Stuffers

    Started by bullet123, 08-21-2018 05:44 PM
    • Replies: 12
    • Views: 1,726
    02-03-2023, 07:00 AM Go to last post
  12. Did OMC have "pressure backed piston rings"?

    Started by David, 01-24-2023 12:41 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 752
    02-02-2023, 03:43 PM Go to last post
  13. Sportmaster water pump question

    Started by Old_Skool, 02-01-2023 06:55 PM
    • Replies: 4
    • Views: 148
    02-02-2023, 10:19 AM Go to last post
  14. Merc Zero Effort control cables

    Started by chevy355mark, 02-01-2023 09:56 PM
    • Replies: 1
    • Views: 88
    02-02-2023, 08:59 AM Go to last post
  15. 2.5 Carb motor Pro max help

    Started by drwarz, 01-30-2023 07:44 AM
    • Replies: 14
    • Views: 444
    02-02-2023, 01:34 AM Go to last post
  16. Any info on this mercury lower unit?

    Started by mclark9791, 02-01-2023 04:41 PM
    • Replies: 3
    • Views: 139
    02-02-2023, 12:54 AM Go to last post
  17. Mercury Tech: Mercury 3.0 efi Balance formula.

    Started by Dirty Dodge, 10-22-2022 11:48 AM
    • Replies: 9
    • Views: 531
    02-01-2023, 01:20 PM Go to last post
  18. Mercury Tech: 1979 200hp v6 2.4 lts mercury

    Started by lucasmerc, 01-31-2023 05:33 PM
    • Replies: 3
    • Views: 151
    02-01-2023, 10:30 AM Go to last post
  19. Capt Mike

    Started by michaelogden, 01-29-2023 08:38 AM
    • Replies: 4
    • Views: 203
    02-01-2023, 09:24 AM Go to last post
  20. Fabricate nose cone?

    Started by LakeFever, 10-19-2020 03:44 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,951
    02-01-2023, 02:23 AM Go to last post
  21. Cool center pod to eliminate purposing

    Started by Jeff Berkun, 01-23-2023 09:16 PM
    • Replies: 13
    • Views: 480
    01-31-2023, 05:23 PM Go to last post
  22. Mercury Tech: Fishing V6 piston clearance 2.0 vs 2.5

    Started by RoyE, 01-21-2022 06:20 AM
    • Replies: 4
    • Views: 338
    01-31-2023, 04:55 PM Go to last post
  23. Mercury 2.5 Pro Max oil injection system weighs

    Started by drwarz, 01-31-2023 10:59 AM
    • Replies: 0
    • Views: 74
    01-31-2023, 10:59 AM Go to last post
    • Replies: 4
    • Views: 4,659
    01-30-2023, 10:05 AM Go to last post
  24. Want evil 90 hp drag motor for 13' allison have score to settle!

    Started by sixabove, 11-02-2001 10:20 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 3,417
    01-30-2023, 10:02 AM Go to last post
  25. Laser Efi Ecu gel

    Started by drwarz, 01-30-2023 07:47 AM
    • Replies: 1
    • Views: 88
    01-30-2023, 08:57 AM Go to last post
  26. Question Derust and Unpaint

    Started by Forkin' Crazy, 01-29-2023 02:09 PM
    • Replies: 5
    • Views: 180
    01-30-2023, 08:53 AM Go to last post
  27. 2.5 promax fuel rail o-rings

    Started by allimax, 11-27-2019 06:16 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 6,440
    01-29-2023, 10:25 PM Go to last post
  28. Mercury 250xs

    Started by tabme, 01-29-2023 05:42 PM
    • Replies: 0
    • Views: 73
    01-29-2023, 05:42 PM Go to last post
  29. Mercury 250 EFI fuel supply issues

    Started by bair1218, 01-28-2023 11:07 AM
    • Replies: 2
    • Views: 78
    01-28-2023, 09:03 PM Go to last post
  30. Mercury Tech: Poor Idle & Stalling on 2001 Mercury 300X Motors!!

    Started by Hydrogasm, 01-26-2023 12:05 PM
    • Replies: 10
    • Views: 214
    01-28-2023, 03:18 PM Go to last post
  31. Piston Ring Locating Pin Backing Out?

    Started by ProXR6, 01-23-2023 12:04 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 564
    01-28-2023, 03:14 AM Go to last post
  32. Mercury Tech: 2.4L Chrome Bore 175 Running Issues

    Started by croSSed, 04-23-2022 05:14 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 1,570
    01-26-2023, 10:06 AM Go to last post
  33. Jackplate Questions

    Started by yjewel, 01-21-2023 01:35 PM
    • Replies: 13
    • Views: 371
    01-24-2023, 05:09 AM Go to last post
  34. Allison fuel tank

    Started by duckrazee, 01-23-2023 09:26 PM
    • Replies: 2
    • Views: 132
    01-23-2023, 09:58 PM Go to last post
  35. I just bought a 3.0 ProMax. Help with block ID

    Started by hooken203, 01-06-2023 09:44 PM
    • Replies: 2
    • Views: 339
    01-23-2023, 09:36 PM Go to last post
  36. Which Hydraulic helm

    Started by largecar91, 02-04-2022 12:50 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 517
    01-23-2023, 11:53 AM Go to last post
  37. gaffing gps speedo problems

    Started by Richard, 01-22-2023 11:47 AM
    • Replies: 4
    • Views: 135
    01-23-2023, 08:14 AM Go to last post
  38. Power Valve

    Started by Glastron1987, 12-28-2022 08:37 PM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 1,856
    01-21-2023, 04:45 PM Go to last post

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