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  1. Scott06

    Alpha 1 clattering noise behind prop???

    Yeah it is like 90 degrees of rotation. its also easy to bend the bronze shift fork if you jam the drive back in when they are not aligned and in fwd... unfortunately speaking from experince , and yes its about a $100 part...
  2. Scott06

    Alpha 1 gen 2 oil in bellows

    Yeah you don't need the grease seal, especially with a permalube bearing. The one reason many applications went to lubed for life is that folks tend to over grease the bearing. When grease gets built up on the bearing too much from repeated greasings, the bearing cant give off heat and cangettoo...
  3. Scott06

    Thunderbolt IV spark loss

    you may want to look on ebay for used modules. I bought two (one for a spare) for like $200 each the only other thing i would think to verify is under load do you still have 12 v at the coil ? Do you have corrosion in the harness or at the cannon plug that your losing voltage under load like...
  4. Scott06

    2011 New 3.0 MFI with no spark mystery

    I like the comment on disconnecting the tach, look at the shift interrupt as well (Im assuming alpha drives ?) . Also maybe take the distributor cap off and crank it to verify the distributor does spin on the off chance the cam or geardrive is messed up.
  5. Scott06

    Bent Transom on Lowe FS175, HELP!

    The best way to verify there is no wood is to call lowe directly, otherwise from two different people you will get three different answers... the .100” is the thickness of the aluminum sheet not the transom thickness...there will be areas where it is reinforced with bent up aluminum making a...
  6. Scott06

    Bent Transom on Lowe FS175, HELP!

    I dont think it is an issue as long as the wood if there is any inside the transom or what ever structural items are intact. on a welded hull it would not surprise me if there were areas where there is moderate distortion from welding. Materials like aluminum and stainless tend to warp when...
  7. Scott06

    1988 Merc 5.0XL with alpha drives engine replacement suggestions

    I think that would be pretty goofy to run. I would think They would need to run different rpms to match power so it doesnt push the boat into a turn. still not sure what your original question was. If you are looking for pricing on the engine michigan motorz has reman and new options
  8. Scott06

    Buying a boat with a rebuilt sterndrive??

    If you like the boat and think its a good price go for it. properly done a rebuild is just as good as a new engine. If its been five years and hasn't had issues id think you are ok. If the boat is kept up and clean this is a sign it was taken care of and don’t worry about the hours. My last boat...
  9. Scott06

    1988 Merc 5.0XL with alpha drives engine replacement suggestions

    not sure exactly what question you are asking. Are u trying to determine what you should pay off season for a turn key? Are you asking who you should look to for engines? also agree swap in a pair of 5.7s
  10. Scott06

    Overhauling my 1988 MerCruiser 4.3 ltr. engine

    No such carb as an MCM 175 is think that is the engine model (HP=175). There is a carb number stamped just below the fuel inlet. That looks like a mercarb with a single (vs dual on a rochester 2 jet) mixture screws. By the looks of the hardware store scews and washers on the choke element some...
  11. Scott06

    Alpha1 Gen 2 Gimbal Bearing

    I use the oem ones (sealed)seem to last real well. Biggest issue is keeping water out. Haven’t changed a whole lot (2) of them so it’s not like I have a huge data set... just the sealed ones I’ve put in I have yet to replace ...
  12. Scott06

    Overhauling my 1988 MerCruiser 4.3 ltr. engine

    it is not a sensor should be a tube running in there from the two 1/4” outlets. May be corroded and only have part of the tube left ... Its the connection for the heated choke. old chokes had a pipe in the exhaust passage in the intake manifold That supplied hot air to heated choke coil. Take...
  13. Scott06

    Mercruiser 3.0 reliability and overall maintenance?

    Ive had two sea rays a 1991 170, and currently have a 2004 200 sport. I will agree the 04 finishes are less high end than the 91 ( compared to typical lake bowrider) also totally agree that on the smaller boats bayliner has come up in quality signifcantly and searay maybe has come down some (...
  14. Scott06

    Proper Engine Oil Level

    Fill to the dipstick level. No difference between those engines as long as stock oil pan is used. In the unlikley scenario that a higher capacity aftermarket pan is used youd need more oil.
  15. Scott06

    Proper Engine Oil Level

    I ended up the same way on my 5.0 on multiple sites ( other than seloc) I've seen 4.5 qts listed as well as 5.5. This was on a replacement engine i got from michigan motorz they told me 5.5 but their site lists 4.5... Generally i add a gallon and top off maybe a hair more. never have any issue...
  16. Scott06

    Proper maintenance? Good products for maximum performance?

    i would pull the drive to inspect the gimbal, bellows, shift linkage, look for rust / leaking gear oil around the input seal to drive , split the drive and do a water pump impeller. Change your fluids oil and gear lube. Go through ignition system plugs wires cap and rotor. If its still points...
  17. Scott06

    Core return of Mercruiser

    if you can do the work yourself you should check out a long block or new base engine from michigan motorz as AD mentions especially if you have a bunch of parts that are worth keeping. I got a partial engine package from them ( new base engine, intake, carb, distributor), itook everything else...
  18. Scott06

    Knock Sensors?

    I believe It drops some of the advance off until it stops knocking.
  19. Scott06

    Mercruiser 4.3L pushes 2400# runabout only 36mph max

    Yeah the high five was totally disappointing. I had for fun and knowledge base been trying several props over the years. high five was the last one, basically my test order was set by when I found them used on eBay...still have my best results with a revolution 4, enertia was a close second...
  20. Scott06

    Mercruiser 4.3L pushes 2400# runabout only 36mph max

    If you haven’t run it with a different prop, I’d second trying another prop. I tried a high five this past summer and got similar results, lots of rpm and boat didn’t go anywhere.
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