#11
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Very interested in performance on this set up. I'm in the middle of a complete resto from stringers up on my 1974 23sf. Looking at mercury 300 verado and
Yamaha f-300 for my power options. |
#12
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I will update with performance numbers when I get the boat rigged. Just sold the old Mercs today and I will pull them off next weekend but I am then going to have the bottom re-gelcoated or shot with a dark blue Awlgrip and a bootstripe applied. May take a little more time than I was anticipating when I first started this project but it is nothing compared to the 4 years it has been since I stripped down my '73 20 sf to restore. That project has taken a back burner to the 23 repower. Too many projects, too little time.
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#13
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23 power
I run an F250 on my "99 SeaCraft23. I think that if I was to repower, I would seriously consider an etec 300.
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#14
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I have twin f300's on my conch 27,great motors!, having run a few different props including rev4's I was pleasantly surprised with the performance of the yamaha saltwater series props with SDS for my boat the 21pitch Yamaha SWS with SDS performed better across the board than 19 Rev4's the anti clunk on the SDS is a bonus as well
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#15
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I have been leaning toward a four blade sds Yamaha just for the shift dampening so it is good to get that feedback. I kept the merc props from old engines and that gives me 17p and 19p 3 blades, and a 19p 4 blade to try out. I should get a good idea before plunking down the money for a new Yamaha prop. If Prop Gods traveled this far up in the Fl Panhandle I would definitely use their services.
The time till splash has been extended. I decided last week to hang the motor on a 6" Atlas hydraulic jack plate. Ordered it but the factory was closed thru holidays. Supposed to ship on the 6th or 7th. Can't stand the anticipation so I am going to get everything rigged so I can use it, and then worry about painting the bottom later. The motor looks good setting in its crate on the shop floor, but would look a lot better on the transom. |
#16
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Ken/PropGods uses UPS for shipping. He will send props to your door to try. Iffin they are what you want, great. If not, re-box the "as new" props back up and call UPS for a pick-up. Select again based on the test results. It will cost you a little freight but the miles in between really doesn't matter a lot, it is his wealth of prop knowledge that will be worth the call.
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#17
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Update
Motor rigged and now I am not so patently waiting for some decent weather to seatrial. The mechanic ran it for a short 15 minutes and reported 51 mph at 5400 rpm at wot burning 26 gph. The numbers should be better as he ran with the jack plate all the way down and I had them bolt the motor low enough on the plate so that the ventilation plate was even with the bottom of the boat. With the six inch setback I should be able to run the plate up at least two inches before it even starts to cavitate. Should pick up a couple hundred rpm along with a few mph. He didn't check fuel burn at cruise but 2 mpg at wot is pretty damn good for not even being trimmed out on the plate. Will 3mpg at cruise be possible as I had hoped? This is all with a 19p 3 blade Merc Mirage Plus, two people and half tank of fuel. No ice or beer on boat. I will correct that unloaded condition when I seatrial. He reports prop chatter is quite loud at idle speed in gear so a Yami SDS prop will be forthcoming. Will update with final thoughts and numbers after weather allows me to get it dialed in.
[IMG][/IMG] |
#18
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Where are the pics??
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#19
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Sounds llike a great motor, lets see the boat !
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#20
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Sir! That's a very nice teaser pic, however if you have not noticed we enjoy lots of boat porn!!
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