Recent content by qystan

  1. Q

    Lowrance 110c to PC connection

    Does the 110C software provide a serial link to a PC? Or are we stuck with taking out the memory card? I prefer not to continuously swapping the cards, the contacts will wear and door seal will be affected. I've tried connecting my 110C to a PC and keep getting "Unable to Initialise GPS" or...
  2. Q

    Remote Oil Filter

    I got the Mr Gasket remote filter kit 7683 for my Merc 5.7 from Shucks Auto in Sep. Finally took a look and found that the fittings are meant for a smaller diameter fliter cartridge like AC Delco PF2 or PF20 filters. Its 2.75inch in diameter instead of the larger 3.5inch Merc filter size...
  3. Q

    Draining block after each use

    What are your practices on draining the block/manifold after each use? (assumes freshwater flush is carried out after each use and on raw water cooled engines, especially saltwater). I have heard logic/argument going both ways, none really on solid ground.....What is your practice and why...
  4. Q

    Merc V6 4.3LX - Request Engine Info

    Hi,<br /><br />I have inherited a seized 4.3LX, been sitting idle for a long time. Turned out to be minor surface rust. With simple cleaning, now turns ok by hand. Need some info to decide on reviving it fully to replace a 5.0LX<br /><br />Engine info:<br />1. Serial number is OF003092, <br...
  5. Q

    5.7L Engine Replacement

    I have a '89 5.7 Merc that came with the boat coupled to a Alpha 1 Gen 1. The oil takes on a bit of water, can't locate it.<br /><br />Question is will this engine fit and what do I have to do? (I do not have Chevy's 5.7's around here, so everything has to be right when I order)<br /><br...
  6. Q

    Merc Alpha 2 Drive for Diesels

    Merc has a 1.7L diesel rated at 116hp. It comes mtched with the Alpha 2 drive. I had a look and noticed it does not use the shift-cutout switch. It has the same shiftplate and lower shift cable arrangement, but no cutout switch.<br /><br />The idle rpm of this engine is 800-1200 rpm and this...
  7. Q

    Merc 5.7 Harmonic Balancer Removal

    I'm trying to get access to the seal on the timing cover.<br /><br />The 3 bolts holding the pulley are rusted and the head is somewhat rounded and cannot be removed. Managed to remove the centre harmonic balancer to crankshaft bolt.<br /><br />Question:<br />With the 3 bolts holding the pulley...
  8. Q

    Merc 5.0 to Volvo AD31P Engine swap

    Am looking at swapping the Merc 5.0 to the Volvo AD31P (150hp) diesel. Drive is a Alpha 1 Gen 1.<br /><br />The max rpm of the Volvo is 3800rpm vs 3300 for the Merc. Do I have to change the upper gear ratio:<br />1-What would be the new ratio <br />2-or a prop pitch change can do the trick?<br...
  9. Q

    Repairing Corroded Fuel Tank

    I have a Bayliner Trophy powered by a 5.7 and Alpha 1 drive.<br /><br />Fuel tank started leaking! Pulled engine and cut through the engine compartment-fuel tank partition. Found the lower section about 8x8inch area of the tank that is touching the partition corroded. a few small holes are...
  10. Q

    Alpha 1 Gen 1 Upper Drive Bearings

    A while back I posted a query on the upper housing drive gear bearing set. Having fixed it and some adventure figuring it out, here's some info that might be useful for anyone attempting this. Confusion possibility lies with the 2 variants in the 1.50 gearsets.<br /><br />I am asuming you have...
  11. Q

    Alpha 1- Upper Drive Gear Bearings

    Got the set of new bearings for the uper drive gears. It comes with the large and small spacers. I suppose this answers my question of throwing the spacers.<br /><br />Problem is the bearings don't look right.<br /><br />I got the 31-35988A 9 bearing set. It says 1.50 Heavy Duty ratio only. I...
  12. Q

    Alpha Gen 1 Upper Hsg - Small Bearing Spacer

    Do I re-installed or throw away the small spacer between the 2 large roller bearings on the yoke shaft when I change the bearings?<br /><br />The book only stated that the small spacer is not supplied in newer drives or replacement gear sets. <br /><br />Thanks.<br /><br />Qystan
  13. Q

    Alpha Gen 1 Upper Housing Drive Gear Bearings Removal

    Since the unit is apart, tried to remove the bearings to check them out. Bearings seem stuck on the drive gear. Unit had water when the bellow broke but oil was changed out within the day.<br /><br />Have taken off the nut at the end of the yoke, seal carrier is off, yoke is also off. The...
  14. Q

    Alpha Gen 1 Lower Unit Drive Gear Removal

    I am trying to remove the lower unit driveshaft to replace it.<br /><br />Have got the nut and washer securing the gear off but the gear won't come off the shaft. The driveshaft retainer is also off and the bearing cup is off. Tried rattling, a bit of prying against the propshaft, dirty looks...
  15. Q

    Alpha 1-Broken Upper Housing Driveshaft

    Dropped lower to change impeller, this is what I found.<br /><br /> <br />Splines almost completely worn.<br /><br />Dropped upper drive to check driven gear splines, guess what I found.<br /><br /> <br /><br />Fishermark had a similar.<br />...
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