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  1. blkzoe

    Petronix Igniter II / Flame Thrower II (0.6 ohm) on my 470's

    Replaced my points with the Petronix Igniter II / Flame Thrower II (0.6 ohm) breakerless ignition over the weekend. Twin Mercruiser 470's (1986, 170hp). What an improvement in performance. Think smoother running throughout the RPM range in addition to a quick/stable start-ups. I actually...
  2. blkzoe

    Prop Selection Process - Yamaha Video

    All: Suggest this video be reviewed by all seeking info on prop selection. Very informative; good stuff. Plus the Aussie accent holds you attention...............:D Choosing the right Propeller: Bigger is not always better - YouTube
  3. blkzoe

    1985 SeaRay Amberjack Prop Questions

    Am in the process of restoring a 1985 SeaRay Amberjack; twin 170's (470's) on Alpha 1's. New transom (I'm scarred for life); 1 total rebulid on the starboard engine; new interior and seating. You understand my sickness.......... Anyway, the original props on the AJ were Black Max QA1912X; 15 x...
  4. blkzoe

    470's - Interesting Timing Revelation

    All: First, my 470's (1986, 170hp) are running well. I know, I'm just experiencing the afterglow after a successful rebuild. But they both idle without shaking at about 600rpm. Kinda' creepy.......... Any way, I'm timing one of the engines w/ an induction timing light and got it right...
  5. blkzoe

    Starting a 3.7L Mercrusier out of the boat.

    All: Am in the middle of a 3.7L total rebuild and wish to start the engine on dry land once re-assembled. Have seen plenty of videos of folks doing this. I've never have done this myself. The engine(s) are FWC, 4" heat exchangers are in great shape. Beyond adding the coolants (FW and...
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