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  1. Scott06

    MerCruiser alpha 1 gen 2 tapping noise in lower half

    if you don't have it get a factory manual for your drive as it outlines in detail all the procedures to set it up correctly. Also be aware that you will need some Mercruiser specific tools for this job in addition to some decent mechanics tools. When I did mine I was able to find the Merc...
  2. Scott06

    OEM Exhaust Manifolds Looking for some other info

    The rust on inside of exhaust port is usually a sign of internal leaking, water gets in engine via exhaust valves
  3. Scott06

    Timing is retarded ;-)

    I would not worry about the plugs. My 3.0 always had 2 cylinder rich and two that looked perfect. same as you middle cylinders were different than the ends. I had the boat for 20 years… Your piston deposits look normal still a nice cross hatch on the cylinders. Pistons are not steel and will...
  4. Scott06

    Timing is retarded ;-)

    yes I think this is more a issue with the parts list the OP was looking at. Most site like marine engine.com have the old part number listed as unavailable then the new P/N as available
  5. Scott06

    Do I replace the core plugs when engine is out?

    Yeah but you would be amazed, swapping props one time I lost the trust washer as it stuck the to prop pul lining it off… took me 45 min to find it …
  6. Scott06

    Do I replace the core plugs when engine is out?

    that hard when the water at the end of your dock is 26" deep...
  7. Scott06

    Leak into bilge, bellows?

    91 and up is GEN2 right? I was just talking about all Gen 2 drives not the older drives
  8. Scott06

    Do I replace the core plugs when engine is out?

    this is a good point our dock is in a big shallow sandy cove so I get a bunch of silt in the engine, no way around it. I get a silt storm backing out of the lift such that it digs a 12-18" deep channel every year backing out...
  9. Scott06

    Leak into bilge, bellows?

    pretty sure the bellows kits and gimbal bearings are the same for all Gen 2 drives. The reason for the listing breakdown at 98 and up /97 and older is they changed the input shaft bearing arrangement and ujoints. Went from and internal to external retaining ring on ujoints and the bearing pack...
  10. Scott06

    Timing is retarded ;-)

    would not be surprised if the OEM part is a AC Delco made but would also think it that it would not be boxed that way... You do see on here folks having good results with AC Delco modules, also do see a fair amount of issues with weird stuff goin on with EST modules not going into base mode...
  11. Scott06

    Shift cable resistance, best lube point to possibly help?

    fresh water hoist kept lake boat... I figured if the next set lasts 15 years I'll probably be into another boat by then... only the exhaust bellows was torn shift and driveshaft were still water tight. yes you need small hands. mine was on the trailer so I was on my knees or upside down in...
  12. Scott06

    Shift cable resistance, best lube point to possibly help?

    Ok missed the fact that it is on land would take a look and see if it is in the cable (most likely) or elsewhere. the good thing about doing he bellows and shift cables , if you use OEM parts will last a long time. I just did mine a couple springs ago the originals were 18 yrs old.
  13. Scott06

    Exhaust Manifold Question

    yes I would be concerned the carbon steel does last as long as cast iron . I think some of the OEM merc are coated on the inside. While cheaper initially the steel fabricated ones may need replacing more often. If they weld it why not make it out of stainless steel?
  14. Scott06

    Shift cable resistance, best lube point to possibly help?

    the places that lube might help are in the shift mechanism in bellhousing , drive has to be removed to get at. there is no factory lubing procedure for the shift cable. Have you verified it is the lower shift cable not from helm to shift plate? if you take the lower cable off the shift plate on...
  15. Scott06

    mercruiser 4.3 overhauling

    Te later one replaces the earlier part number so it is the same. If you look up mercruiser lifter part numbers they are the same i think, one supersedes the other. Given you got it as a pile of parts , Not sure how you tell if they are ok. Even in the US from summit racing they are about $300 a...
  16. Scott06

    My Skag got worn down, I had a power failure

    Not a bad move. Ive seen drilled nickels used instead of SS washers in a pinch
  17. Scott06

    4.3 LX wiring diagram

    The engine harness diagram shown is for a gen 2 as it has a lube bottle (2)
  18. Scott06

    Lexus Oil Leaks and Mechanic (Woes)

    I just did this with my car for a a small anitfreeze leak. Was utterly amazed how well it worked. $6 bottle of dye then use the UV light. what if found when using the UV my oil was fluorescent. at first I thought I had AF in the oil but the new jug of oil was the same.
  19. Scott06

    What happened now?

    If you end up pulling the drive pull it in one piece . You want to narrow down if the engine is locked up or drive, gimbal bearing etc. start with the plugs and see what’s in there . Time is of the essence if there is water in the engine , if so need to get it out bet it running to drive off...
  20. Scott06

    What happened now?

    Agreed either drive is locked up or water in cylinder , pull plugs see if it is hydro locked. If not hydrolocked pull drive see if it turns. you Pulled the oil did you refill? why would you replace the coil because it backfired?
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