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Post by Craig on Mar 17, 2023 20:03:27 GMT -5
Looking to see if anyone has run across the same situation I'm seeing. The boat is a 2018 with 300 Verano's. I love the boat and it runs great. The issue I'm having is that I only get around 5700 max rpm. It should run 5800-6400. The boat came with Mercury Mirage Plus 3 Blade 19P SS props. Anyone have any suggestions??
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Post by Fritz on Mar 17, 2023 20:57:16 GMT -5
I'd reach out to Ken Reeves at prop gods. He really knows his stuff. Should be able to point you in the right direction
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Post by fishnfool on Mar 17, 2023 20:59:11 GMT -5
Depending on current motor height (probably mounted in lowest position) you could raise your motors a hole. Will likely pick up +/- 200 rpm.
Alternatively you could try different pitch props. Ken at PropGods knows his props.
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Post by Craig on Mar 18, 2023 8:46:44 GMT -5
Depending on current motor height (probably mounted in lowest position) you could raise your motors a hole. Will likely pick up +/- 200 rpm. Alternatively you could try different pitch props. Ken at PropGods knows his props. I will look into that thx. This boat has always been used in fresh water. My mechanic told me the boat will sit a 1/2" higher in salt water vs fresh water. The boat only has around 150 hrs.
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Post by Craig on Mar 18, 2023 8:47:38 GMT -5
Depending on current motor height (probably mounted in lowest position) you could raise your motors a hole. Will likely pick up +/- 200 rpm. Alternatively you could try different pitch props. Ken at PropGods knows his props. Thx! I'll contact him
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Post by fishnfool on Mar 18, 2023 10:14:05 GMT -5
Depending on current motor height (probably mounted in lowest position) you could raise your motors a hole. Will likely pick up +/- 200 rpm. Alternatively you could try different pitch props. Ken at PropGods knows his props. I will look into that thx. This boat has always been used in fresh water. My mechanic told me the boat will sit a 1/2" higher in salt water vs fresh water. The boat only has around 150 hrs. The factory tends to rig motors in their lowest position or 2nd lowest, which isn't optimal. I'm guessing you'll find the same here. If you haven't run it in saltwater yet, maybe wait and see how she performs in salt first before doing anything - assuming your numbers are based on freshwater performance and that you fully trimmed the motors out at WOT with an avg load? The added buoyancy of salt will make a difference. Fuel load will also impact your performance numbers e.g. if your tanks were full when you ran it, that will drop your WOT speed and RPMs. Those motors also require high octane (93) fuel to perform at their peak.
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Post by psu309 on Mar 18, 2023 17:55:29 GMT -5
It definitely makes sense on what you are saying. I think that's what my mechanic was alluding to, the fact that these boats are built in GA for near the ocean and may be set up a little different then fresh water. The boat will always run in fresh water as I am in Ohio. I plan on taking the boat down to Marathon next year, but I need to set it up where I run it. I'm stopping at my storage unit tomorrow to see where the motor height was set from the factory. I'll let you know.
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Post by fishnfool on Mar 18, 2023 18:03:27 GMT -5
Got it, thought the boat was run in fresh and now your going to run it in salt. Neither Props nor engine height adjustment are inexpensive options. Run her with a typical load, see where your cavitation plate is trimmed out. If it's buried, the motors are technically mounted to low. Like said, you can solve it one of two ways, motor height adjustment with same Props or go to a different model pitch prop. Of course going the prop route doesn't solve the motor height issue but will help mask the symptoms. Choosing the right propeller can be a bit of a black art and a rabbit hole. Ken at Propgods can help advise you and he'll let you try different props if you commit to buy from him. propgods.com/
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