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  1. Scott06

    3.0 mercruiser dieseling

    All above are good suggestions. Would also maybe fatten the idle mix. I decarbonized it by using GM top engine cleaner( others will work as well), seemed to help need to be careful with the dieseling eng8ne can run backwards and suck water up into it
  2. Scott06

    4.3 milk maker

    You winterized it or seller did? Unfortunately x 2 on not winterized and freeze cracked the block. Normally they crack in lifter valley below the heads also possible water cross over in intake is cracked. check exhaust manifolds for cracks as well
  3. Scott06

    Stupid me, no oil

    I don't think there is enough permatex #3 to overcome dunking the motor mounts in saltwater.. The fact that the inner sleeve was tight enough on the bolt to yank the rubber mount out of the flywheel cover tough to plan for.... I'll have to check my hardin O2 plate as well. I'm in fresh water...
  4. Scott06

    Stupid me, no oil

    Whose O2 sensor Plate are you using ?
  5. Scott06

    Help me identify what engine I have in my new boat

    There's one in every crowd... With Edlebrock on a merc you can use the factory throttle cable bracket (p/n 805359T) off the 357 crate motors for a factory appearance (and mounting for the 50 amp breaker and starter slave relay on some like mine). Would assume holley + VP would be the same
  6. Scott06

    Mercruiser 120 poor starting

    Dump some gas down carb bores and it should fire up if not it’s not a fuel issue. You can take fuel line off carb crank it over and should pump into a jug .
  7. Scott06

    Help me identify what engine I have in my new boat

    HP on the. 4 bbl pre vortecs like yours were 260 hp. This assume the cam is stock marine or truck/rv which it most likely is verify your starter is marine which normally say J11 xxx on it forget the exact numbering. Your ignition is a merc Thunderbolt V so you are good there
  8. Scott06

    No water coming out of the exhaust on muffs

    yeah typically Ive seen with a 140 thermostat the engine runs 150-155, my newer boat with a 160 is 170-175 depending on lake temp. If you have an IR gun check temps, likely the gauge is a little inaccurate- they are just made for an in the ballpark indication.
  9. Scott06

    No water coming out of the exhaust on muffs

  10. Scott06

    No water coming out of the exhaust on muffs

    What temp was engine at that point, doubt it was hot on the hose at idle , so no I would not worry
  11. Scott06

    No water coming out of the exhaust on muffs

    Normal to peg oil gauge when cold, a gauge like that is only an approximation, basically is it in the same neighborhood Vs X pressure. When oil gets hot and under load it will come down.just get used to where is normally is at a quick glance. if you hook a mechianical gauge up 10 psi per 1000rpm...
  12. Scott06

    No water coming out of the exhaust on muffs

    See post 17 he just needed to wait for block to fill more than 30 seconds . T stat or no it still will take same time to fill
  13. Scott06

    Alpha one outdrive gearbox rebuild question

    if i recall correctly on a gen 2 the vertical driveshaft is what makes the oil seal on the upper, so unless the gear lube was there before you pulled it apart the lube may have gotten there when you pulled it apart. @Bt Doctur would know for sure I would clean it up put the halves back...
  14. Scott06

    No water coming out of the exhaust on muffs

    x2 on this it takes long enough to just make you worry about water not coming out... 2 min is about right great problem solved, but you are right to stay on top of it. Watch water flow and oil pressure... never had an engine with both have an issue And it is normal that you have uneven flow...
  15. Scott06

    No water coming out of the exhaust on muffs

    unless you mis fit the water tube coming up (which I think would direct the water to the prop exhaust which is not what yo are seeing), trace out the system. Are you getting any water out the idle relief ports on the transom? On the side of the thermostat housing the hose coming up from the...
  16. Scott06

    Carb rebuild question

    It’s not a unicorn I suspect that they give Volvo a unique carb number and agree to sell only VP the parts. Mikes Carbs wasn’t 100 % sure if his kit would be correct…. I rebuilt the 2 bbl on my buddies 4.3 two summers ago and ended up getting a OEM VP kit from leaders rpm wasn’t that bad cost...
  17. Scott06

    2015 Mercruiser 4.3 EFI issues.

    yes that is how exhaust manifold maintenance (or lack there of) can ruin a engine. Is there any way the boat wasn't covered and water could have gotten down the intake? often times folks remove the flame arrestor cover when working on it... its there to keep water out of the intake and off the...
  18. Scott06

    No water coming out of the exhaust on muffs

    Were pieces of the old impeller missing ? If so they can clog the cooling system
  19. Scott06

    Prop Question... Bayliner BR185

    Go down to a 19” you may have to watch wot rpm lightly loaded. Alternatively a 4 blade 18” pitch like Michigan vortex can do what u want. I have run 4 blades on my last two boats for same reasons you reference, loaded down water sports. I personally prefer 4 blades for holeshot and stern lift...
  20. Scott06

    Bravo 3 engine installation / alignment

    I think on last page (in 2nd column of chart) of attached service bulletin it says "2.7 mm thickness Spacer". Have never seen the kit but looks like it is just a thick fiber with additional metal washer https://www.amazon.com/Mercury-quicksilver-12-892619A01-Shim-Kit/dp/B007D2NAUK
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