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  1. jtmarten

    Slight vibration question

    Got her out today, finally! Port side nice and smooth, no vibration, leaks, etc. Strbrd side has a slight vibration from about 1500-1800rpm. Would this be indicative of a misalignment? The alignment looked OK on the tool, and the drive slipped right into place when reinstalling it. I...
  2. jtmarten

    Oil/ZDDP question

    Seems like most of us here are running engines with iron cams and flat-tappet lifters. I've been searching the web to find any info about ZDDP levels in Mercruiser oil. Haven't been able to find much. I'm prob just going to use a decent 10W30 synth blend, and GM EOS additive to get the...
  3. jtmarten

    Driveshaft differences

    I found out while having both drives off this year my driveshafts are different. One has 2 o-rings, one has three. Looking at exploded views of Alpha 1 Gen 1's, it appears they had 2 o-rings from the factory, and looks like replacement driveshafts have 3. So I'm assuming one of my driveshafts...
  4. jtmarten

    How much alignment adjustment?

    So far I've adjusted the front mounts up 4 turns, coupler splines still look the same. I can see heavy splines at the bottom, none on top. Still can't get the alignment tool to even start into the coupler.
  5. jtmarten

    Engine alignment nuts

    Looks like I need to raise the front of the engine to get the drive aligned and on. My socket set goes from 1" to 1 1/8". Seems like the 1 1/8" is slightly large. Are the front mount nuts 1 1/16". Or did they use #$*& metric nuts? I'll be heading out in a few to pick up a 1 1/16" socket and...
  6. jtmarten

    Tiller arm/steering play

    I'm in the process of replacing both lower shift cables (between rain and snow/blizzard days). I noticed that the drives had a bit of L/R play. Port drive had about 1/16" play, stbrd had about 1/4". I searched here and saw references to checking/retorquing the 2 clamping bolts on each drive...
  7. jtmarten

    Opinions needed

    I just pulled one of my drives, intending to replace the gimbal bearing, bellows, water hose, lower shift cable, and tilt/trim senders for both. After having the drive off and inspecting everything, it all looks like new. Gimbal bearing is nice and smooth, zero evidence of bellows leaking. I'm...
  8. jtmarten

    Transducer location

    Anyone know the factory transducer location for a Nova II? It's not mounted externally on the transom. My depth gauge doesn't work properly and I think its the transducer. Thanks!
  9. jtmarten

    Question about actuating time

    My 'new' boat came on an Eagle tandem, surge drums on both axles. I had to replace the MC, MC spring mounts, dampers, and the rear backing plate/brake assemblies. Dico Model 10 actuator. The brakes seem to be working, but there is quite a bit of lag on them actuating. The brakes on my 23'...
  10. jtmarten

    Tandem equalizer

    Hi<br />I think I have a problem with my tandem equalizer, but this is my first tandem so I'm not sure. The trailer is sitting under a '78 Anthony 23' Daycruiser with a 454/berkeley setup. The trailer is a RoadRunner.<br />The right side equalizer sits level when on level ground, but the left...
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