8.1

  1. M

    340 Bravo 3 drives

    I have 2006 340 Sundancer, 8.1’s with bravo 3 drives. The prop sets are 3x3 26p. Was thinking of buying 4x3 or 4x4 to get some more lift out of the hole. Any recommendations in going up or down in pitch, and 4x3 vs. 4x4 ?
  2. M

    340 Bravo 3 drives

    I have 2006 340 Sundancer, 8.1’s with bravo 3 drives. The prop sets are 3x3 26p. Was thinking of buying 4x3 or 4x4 to get some more lift out of the hole. Any recommendations in going up or down in pitch, and 4x3 vs. 4x4 ?
  3. M

    340 Bravo 3 drives

    I have 2006 340 Sundancer, 8.1’s with bravo 3 drives. The prop sets are 3x3 26p. Was thinking of buying 4x3 or 4x4 to get some more lift out of the hole. Any recommendations in going up or down in pitch, and 4x3 vs. 4x4 ?
  4. M

    340 Bravo 3 drives

    I have 2006 340 Sundancer, 8.1’s with bravo 3 drives. The prop sets are 3x3 26p. Was thinking of buying 4x3 or 4x4 to get some more lift out of the hole. Any recommendations in going up or down in pitch, and 4x3 vs. 4x4 ?
  5. KevinC

    Looking for 8.1 Tension Pulley Part Number

    So my tension pulley (the lower flat/smooth one not the top grooved one) launched today. I already have a spare for the grooved one (Dayco PN 89004) on hand but I was wondering if anyone had the part number for the flat one. The bearing must have locked up and the plastic part melted and fell...
  6. Jeff Adamsson

    Mercruiser 8.1 engines

    I have for sale a pair of mercury 8.1 liter engines with transmissions from an 05 searay 390. The engines were removed last winter and replaced with a set of Cummins Diesels. The motors ran fine when removed, no overheating or oil issues. They have ZF transmissions mounted to them with 2.5...
  7. C

    Mercruiser 496 (8.1L) overheating

    I'm having a problem with overheating and the engines going into "safe mode". It only happens over time when running pretty well full rpms. The temp gauges read 175 when it drops to guardian mode. I live 100 miles from any mercruiser dealer that can work on my boat. I replaced the water...
  8. Bwardz50

    8.1 Cooling system flush questions

    Hi there, thanks in advance for reading... I took my new (to me ) '06 340DA out on New Years (water was cold) and once under load, my port engine started overheating. I shut it down at 203° to avoid damaging anything. Long story short, I discovered that the fresh water cooling system had chunks...
  9. Abraham Shavin

    Wanted - sc5000 system view

    Hey guys, I'm new to this forum, I hope I'm in the right section. I am looking for a sc5000 for my 340 sea ray. The display on mine is cracked so, so preferable just the display. Either way if you have it please let me know asap. Thank you so much!
  10. R

    Water pump impeller replace in 8.1 horizons

    How do I replace the water pump impellers on my 2005 Sea Ray Sundancer 360 with 8.1 Merc Horizons?
  11. C

    340 w/ 8.1 has muffler leak??? Bueller?

    I've got an '01 340 Sundancer with 8.1 Horizons. The port side muffler is leaking from around the base. The muffler looks like it is comprised of a round cylinder with a top cap and bottom cap fitting. Water is leaking, only when the engine is running, and escaping from between the bottom cap...
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