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  1. Scott06

    Nola Mike's 3.7/470 --> 4.3L swap thread

    duplicate post
  2. Scott06

    Nola Mike's 3.7/470 --> 4.3L swap thread

    Good deal what got you the extra mph ? I thought last post you were topping out at 45?
  3. Scott06

    Mercruiser alpha one small amount of water in shift cable housing

    Use a bolt as a homemade puller to pull the seal into the housing. Put the bolt through the seal and housing, slide a washer and nut on threaded end tighten the nut to pull the seal into place in the housing. It will be a light press fit. you can’t use a seal driver or socket to push it in as...
  4. Scott06

    357 mag bravo 4v long block replacement

    The bravo 357 mag is rated at 325 hp so I believe the long blocks are the same, but as mentioned you may be able to just get away with valave job and head gaskets. if I haven’t you may want to check pricing at michigan motorz on long blocks and crate engines if u go that route. I had a nice...
  5. Scott06

    1990 Mercruiser 5.7/v8 rusted exhaust manifold bolt

    Lots of heat at the base would be my first attempt that not working the head will break off or cut it off with a grinder so the manifold can come off, if us are lucky you will have a headless bolt sticking out , more heat penetrating oil pipe wrench or vice grip on shaft of bolt sticking out of...
  6. Scott06

    Mercruiser alpha one small amount of water in shift cable housing

    Shift shaft seals , exhaust is full of water will get forced up. But as said while your in there replace them all
  7. Scott06

    mercruiser 140 head

    Well two way to make it work one find a head to fit your intake , or find an intake to fit your working head. where are you located ?
  8. Scott06

    mercruiser 140 head

    I think yes it is but you also may want to check the intake and exhaust ports line up on the manifold. Back in the day I think they offered multiple hp versions of the 3.0 like 115 and 135 hp. it may also be a head of the 2.5 which was the little brother of the 3.0 , at work just the same just...
  9. Scott06

    Alpha one Gen 2 u-joints

    this shows how to do the preload
  10. Scott06

    3.0 exhst riser 1/8NPT drain plug ALUMINUM?

    it should be brass
  11. Scott06

    Broken Spindle?

    the spindle is the end of the axle, two spindle get welded to the ends of a tube to make an axle assembly. You’re good on terms I’m using them interchangeably...yes if the race turns on the spindle and scores it up bad You would either need to have the old spindle cut off the ale and new spindle...
  12. Scott06

    Broken Spindle?

    Looks like you have had inner and outer bearing failure and the bearing races are still on the axle , may need to be cut off the axle . Buy new bearings, with a cutoff wheel and chisel take these inner races of the axle. You may need to clean up the axle with a file But as long as the inner race...
  13. Scott06

    Alpha one Gen 2 u-joints

    I believe Moog 344 or Spicer 5-1306X will cross reference to the external cliped ones u need but you maybe want to check the sizes as I just got this off of here or marine engine forum .
  14. Scott06

    1989 180/3.7LX 4 bbrl Mercruiser Alpha One drive Questions

    Mike is right both seals face up . Here is a link to download manual number six https://www.downloadboatmanuals.com/motors/mercury/mercury-mercruiser-service-manual/ page 3A-26 outlines assembly questions OP has
  15. Scott06

    1989 180/3.7LX 4 bbrl Mercruiser Alpha One drive Questions

    Spring side towards what you are trying to seal so upper seal keeps oil in - spring side up, Lower seal Keeps water out - spring side down. dont need to seal drive shaft into the Spline whole assembly is bathed in lube
  16. Scott06

    Running lean after engine swap

    you can check it Dock side as you don’t need to be moving. Just get the roms above 3 k or so In neutral. You need an advance timing light or a timing tape on the balancer. thats about 16-17 % slip which is expected for what you are running. If you c@nt trim it out as much that that makes me...
  17. Scott06

    Another winterize question

    Mine has a 5 th blue plug in the big U hose between the thermostat housing and the block circulation pump. Has a T fitting stabbed in the lowest bend to drain it without pulling the hose. Kind of a nice feature
  18. Scott06

    Alpha 1 gen 1 drive shaft o-ring

    Not sure what is so hard for you get ...Please start your own thread and ask your questions there. List your engine and stern drive serial numbers so people know what u are working on vs what the guys thread u are hijacking was working on as this one will most likely be closed by a forum...
  19. Scott06

    Running lean after engine swap

    check your advance is all in. Easy way to rule out the simple Things. If you don’t have full advance you will not actually have the 50 Extra hp You thought you were getting by this swap. 200 would make a diff what prop and pitch? Black max ? what’s your slip maybe but I would expect to see...
  20. Scott06

    Alpha 1 gen 1 drive shaft o-ring

    Hey tri county best to start your own thread s posting on someone else’s , aka hijacking , this way no ones gets confused as to whose question they are answering . as to the the original question the alpha one gen one - the oring was originally installed on top of the drive shaft , but merc...
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