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Old 03-01-2014, 03:33 PM
BigOrange BigOrange is offline
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X45 with MCX??

So I've been Internet shopping (stalking according to my wife) used x45's for about a year. Would really like to be in an 07 - 09 in order to get the newer tower design but would be open to the right 05-06. Previously, I had written off the MCX, But I can't believe the high prices even on boats on boats with high hours. Unless the seller is nonsensical, the MCX boats are a little cheaper. I read plenty of posts from the "MCX is under powered for that large a boat" and the "I've never had enough power" guys but this an open call for somone with a MCX 45 to say its either bad or good. I will be at say 800 to 1300 altitude and would eventually like to carry extra ballast for both boarding and surfing. Thanks.
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Old 03-01-2014, 03:51 PM
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TN X-45 TN X-45 is online now
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Boat: Mastercraft X-45 2008 MCX
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Can't speak for altitude but MCX is just fine in my 2008. Others will disagree. 5 blade from OJ helps. I surf with a lot of ballast.
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Old 03-01-2014, 04:55 PM
slwayland slwayland is offline
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You'll be fine....I just sold my 2008 with MCX and used it at 6000 ft and was always fine!
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Old 03-01-2014, 05:37 PM
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2RLAKE 2RLAKE is offline
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neighbor has a MCX in his ... every year they do a six person slalom run ... every year ... i've driven it and it seems fine
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  #5  
Old 03-02-2014, 10:02 AM
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scott023 scott023 is offline
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I think it would be fine, yes. But, if there are options with bigger motors, I'd certainly go that route.
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Old 03-02-2014, 12:47 PM
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mikey.145 mikey.145 is offline
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Boat: 2007 Mastercraft X45
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My 07' X45 has the 330 hp crusader (PCM) saltwater series engine, As far as wake surfing goes pretty much any weight/extra ballast has never been an issue. I use stock ballast and I throw a 700 pounder in the back locker and have had my 1100 pound sack in the middle with 12 people in the boat. I've also had 18 people plus the stock ballast and the 700 partially filled in back with no issue.
The only time I wish I had more power is when I have 10-12 or more peeps I have to start draining the rear tanks to get up on plane for wake boarding speeds. These x45's definitely need some extra weight in the front.
IMO it's not a deal breaker, but a little more power would be nice. Great boat with one of the best layouts fore sure. Good luck.
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Old 03-03-2014, 03:16 PM
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Forrest-X45 Forrest-X45 is offline
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The 800-1300 altitude won't make a difference in performance. Test drive the boat with MCX and see if meets your needs for performance. Everyone has a different view on performance so it really depends on what you like/want. Good luck and let us know what you decide to buy.
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  #8  
Old 03-03-2014, 04:03 PM
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Mastercraftdave Mastercraftdave is offline
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Boat: Mastercraft X45 6.2L
Location: New Orleans, LA
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I would make sure that any boat that you buy with an MCX is perfect because that would be the only way to justify a purchase of a boat with that small of a motor. I have the 6.2 in my x45 and I don't ever have any problems. Before we purchased our we test drive one with the 5.7 illmor and the thing struggled even with the wake plates. Sure you could change the prop and run higher RPMS constantly and burn twice as much fuel. The x45 is a big heavy boat and that MCX will always be working hard espically with more than stock ballast and a few people in the boat. Personally the bigger the engine better. I wanted the 7.4 but they don't make it in a salt water series. I wouldn't ever buy a boat underpowered again as I have made that mistake in the first boat purchase I made. Just my .02
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Old 03-03-2014, 08:18 PM
BigOrange BigOrange is offline
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Good info. Keep it coming. Interesting point about the fuel consumption with the right prop to get the 5.7 going. Is it just a time to plane problem or situations where you cant get to plane?
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Old 03-03-2014, 10:52 PM
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Mastercraftdave Mastercraftdave is offline
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Changing the prop will help with holeshot and the heavy load but it will usually raise your RPMs during normal wakeboarding speed and you will also lose top speed. If it was me I would have to be getting an amazing deal on and X45 with an MCX in order to buy it and then I would still have to think long and hard about it.

Like many have said I'm sure it will be ok with a new prop. However if you have to dump ballast to get on plane then no the engine is not good for the boat. Also you got to take into account the amount of stress that puts on the engine. I would imagine your gonna burn twice as much gas as you would with a 6.2L as the engine is going to pushing nearly a 6000lbs when loaded down.

Another thing to think about is resale. A big boat with a small engine is going to limit potiential buyers because a boater with years behind the wheel is going to be thinking the same way that you can never have to much power.
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