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  1. jimmbo

    Worth flame arrestor upgrade for Mercruiser engines?

    Holley markets several Flame Arrestors, I've used them without Problem
  2. jimmbo

    1964 Evinrude Sportfour 60HP

    Welcome to iboats Here are a couple of pages from the 1964 Evinrude Brochure I will see about scanning some Service Pages No Electric Trim, there was an Accessory Power Tilt for that engine Some Public Libraries might have some service books Here is a Link to a service manual the 50hp version...
  3. jimmbo

    1993 15HP compression test resulted in 136 psi & 138 psi

    Just a bit of info. If you were using a GPS for speed, you have to take into account any Current there is in the water, GPS is measuring Ground Speed, not Water Speed.
  4. jimmbo

    impeller in need

    Did you line the Shift Shaft up correctly?
  5. jimmbo

    1993 15HP compression test resulted in 136 psi & 138 psi

    That's pretty good for a 15. We used to get 55 out of a 35hp on a 14ft cartopper
  6. jimmbo

    Spreading Manure, again

    Maybe that is why we don't see many Stainless Props for Small Outboards. Stainless and Bronze are Heavier and can increase Wear on the Clutch Dogs and Gears, if the Operator "Eases" it into/out of gear. I do know that with a Stainless, an Impact will very often bend the Prophaft. In 2002, I...
  7. jimmbo

    Spreading Manure, again

    There was very little fake promotion of Stainless, as Bronze was already an alternate to Aluminium.
  8. jimmbo

    Spreading Manure, again

    An outfit that 'Reviews' Products, and has Never found Everything they test to be less than Excellent, has been shoveling Manure over this Prop for 2 or so years. Time will tell whether this Pretzel is any better than what is out there now. They are a One Strike Prop, as repairs to return it to...
  9. jimmbo

    1150 Link & Sync Question

    The optimum Trim angle for speed is just below where the boat begins to Porpoise, Generally the fast you go, the higher you can trim. However there are times when you will be running at Trim setting other than that. Running with the Waves, you might want to Trim Out more, while running in to the...
  10. jimmbo

    1150 Link & Sync Question

    Extra Drag, and can create excessive spray. Phone app? What for? Porpoising is annoying as Hell. Remember basic Trigonometry? You are dealing with a Triangle. A Outboard Boat Transom, is never 90 degrees to the Hull Bottom, at least it's not supposed to be, most, but not all, are between 7 and...
  11. jimmbo

    Want idle

    Isn't that collar part of the Fuel Saver Linkage, used to open the Carb, after all the Ignition Advance has taken place?
  12. jimmbo

    OMC 3.8l dying at high rpm and weird cranking issue.

    I was referring to Water Separating Filters that look like, and are about same size as the Oil FIlters used on the the old Ford and Chevy V8s
  13. jimmbo

    mercruiser 2 speed prop??

    They went out of Production for a Reason. Some of it was Legal, and some of it was Durability/Longevity
  14. jimmbo

    1993 15HP compression test resulted in 136 psi & 138 psi

    While you're running it, run a can of Engine Tuner through to make sure the Rings are free
  15. jimmbo

    1974 mercury 2 stroke water pump operation?

    Nothing from Mercury, as for changing the Prop every 4 yrs... I have been using the same Prop since 2005 or 6.
  16. jimmbo

    Merc Outboard - 2 Year Old Engine Failure, 5 Year Extended Warranty Denied

    Oh, Kiekhaefer has been doing 10,000 in there for a few decades
  17. jimmbo

    OMC 3.8l dying at high rpm and weird cranking issue.

    At least I can't see any water, at least in this shot. Make sure the filter has a Lot of Media. as that will reduce the Pressure Drop across it. With todays Crappy Gasolines being refined with FI in mind, and the Fuel Pump in the Tank, some have a high Flash Temp, and can Vapour Lock more...
  18. jimmbo

    Spreading Manure, again

    The "It's not real" was a Reference to something not on my Money
  19. jimmbo

    Spreading Manure, again

    it's not real
  20. jimmbo

    Want idle

    Does it run okay at slightly above idle speed? Examine all the wires that are coming out of the Armature Plate for scraped Insulation, and watch them as the Throttle is opened and closed, for any rubbing.
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