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  1. Scott06

    Why an increase in engine horsepower will hurt your ‘holeshot’, acceleration and midrange cruising.

    Depends on the impeller in the pump in combo with engine and hull I swap the Solis in place of the damaged and tell her on my Sea-Doo JetSki and I get better hole shot but the red stone cold quite as high which tells me I don’t have enough power to swing a impeller with more bite on the top end
  2. Scott06

    GKN ujoints external clip problem with installation

    Groove is not clean from debris and also sometimes the clip can be filed to be a little bit thinner and fit in sometimes I found the clip to be a little bit too thick
  3. Scott06

    1994 mercruiser 454 What oil/filter to use

    Rotella works great as does the marine 25w 40s and ive also used mobil 1 15w50 if hot you have 10 psi oil pressure for every 1000 rpm you are running itwill live a long happy life
  4. Scott06

    Formula 26 PC - Not seized engine! Seized outdrive?

    This far in just replace the gimbal bearing, as it should turn easily by hand it will be interesting to see what the drive looks like inside , have them replace The ujoints as well and u should have a runner
  5. Scott06

    New 01 Bayliner 4.3 MC...have a few questions

    You can run the engine safely below 1000 rpm with the outdrive in trailer postion. Where we keep our boat is in a shallow cove where the water is only 27" (68 cm) or so deep so I have a long idle out to deeper water with the outdrive almost completly up. I have done this for many (35) years on...
  6. Scott06

    TBI 260 Wont Idle When Warm - Will Run other RPM

    Spray starting fluid at the gasket surfaces by the intake, throttle body etc. If there is a vacum leak the starting fluid will get sucked in and pick up some rpm.
  7. Scott06

    Best prop for tube / skis - 2011 Bayliner 175 (3.0 Mercruiser TKS)

    I had good luck on a similar size searay (also 3.0 powered) with Michigan Vortex 4 blade props - used a 16" for skiiing, 18" for general crusing and tubing. What you already ordered will likely move it in the right direction vs the 21". Try out what you ordered and look at what your WOT rpm is...
  8. Scott06

    Base Timing Mode

    the ignition module in the photo is a TB V
  9. Scott06

    Base Timing Mode

    It will be on the front left hand side of the engine laying on the intake manifold I think in the photo it’s just to the left of the two wire connector that powers the fuel pump it will have a black rubber plug in it . Ground it turn the engine on set your timing, turn it off then remove...
  10. Scott06

    quick prop help

    what were your rpms with the 19”? Unless you are at the top of the rpm range you may not be able to swing a 21 to get more top speed. generally 4 blades have provided me better holeshot, stern lift and lower planning speeds At the expense of some top speed. Ive used them on my last two boats...
  11. Scott06

    Prop Help!

    Search michigan vortex 3 blade # 99205 you may not find that exact michigan prop you currently have but this is an equivalent that will work with the modern plastic hubs
  12. Scott06

    Mercruiser 4.3L pushes 2400# runabout only 36mph max

    Try the same prop in a 19” pitch should put you about 4500 rpms
  13. Scott06

    Water from 3.0L mercruiser

    Yes core plugs can be replaced but there is a reason it is gone . I suspect it was pushed out by freezing and you will find the plug in the bilge if you look carefully . Put a core plug in or a expansion rubber plug in see if there is other freeze damage normally this happens if you are not...
  14. Scott06

    Formula 26 PC - Not seized engine! Seized outdrive?

    Try to turn the gimbal with your hand should be smooth . If the drive shaft pulls out that really doesn't mean anything as far as being locked up
  15. Scott06

    Formula 26 PC - Not seized engine! Seized outdrive?

    Bellow replacement depends on how long its been since it was done. If it were my boat id do the following suspect side run the engine by jamming a hose in the bell housing water port see if all is ok. either rebuild the drive or get a replacement. might just be a gimbal bearing or whole drive...
  16. Scott06

    Where is this water coming from?

    To prove it doesnt leak. bottom line water isnt supposed to leak there, no it isnt going to be an issue if it weeps, what if it gets worse and diverts wster meant to for cooiling. not trying to make more out of this than its worth, but biggest issue is you have a new part that the customer has...
  17. Scott06

    Formula 26 PC - Not seized engine! Seized outdrive?

    Yeah getting water into the bellows via the bilge can cause the u joint gimbal bearing or drive to lock up. Inout shaft seal on drive is mean5to keep oil in not water out. You found the issue just needs to determine best fix , worst case buy a new drive
  18. Scott06

    Where is this water coming from?

    Doesnt say much for SEI quality i would figure they pressure test both oil and water passages before they ship
  19. Scott06

    Problem with paint after refreshing Alpha One Gen 2

    Like scott is telling you go to a place that sells auto body paint. Tell them what you are working on aluminum, have them sell you correct primer and topcoat , spray with a gun. Good paint is expensive ... i mentioned the PPG DP90expoxy primer In previous post, every application i have used...
  20. Scott06

    Engine Replacement/Upgrade

    The ease/feasibility of this swap will depend on if the boat was offered with a 5.7 or not. The 5.7 is is about 4.5" longer than the 4.3. I did a 4.3 to 5.0 swap in a Sea Ray 200, it was relatively easy because the boat was built to have a V8 option (5.0 & 5.7 are physically same size engine)...
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