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  #21  
Old 04-15-2011, 03:37 PM
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rgardjr1 rgardjr1 is offline
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Quote:
Originally Posted by sand2snow22 View Post
IIRC, 2007 first year of cats on MCX.
What's kind of funny about this is that Indmar lists both a cat version and non cat version of the 5.7L in 2007

5.7L W/ Cats 230kW
5.7L No Cats 218 kW
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  #22  
Old 04-15-2011, 07:34 PM
jason95gt jason95gt is offline
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Just another reason why it is so exciting to have Ilmor in our corner!
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  #23  
Old 04-15-2011, 08:28 PM
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Does it really matter??? My MCX performs just fine in my X2 Loaded to the gills, 1800#,s ballast and 10 peeps. Seriously who gives a crap, 350, 308 whatever it takes
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  #24  
Old 04-15-2011, 08:44 PM
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Quote:
Originally Posted by rgardjr1 View Post
What's kind of funny about this is that Indmar lists both a cat version and non cat version of the 5.7L in 2007

5.7L W/ Cats 230kW
5.7L No Cats 218 kW
I think 2006 was the first year, but memory fades.
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  #25  
Old 04-15-2011, 09:15 PM
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Quote:
Originally Posted by MattsCraft View Post
Does it really matter??? My MCX performs just fine in my X2 Loaded to the gills, 1800#,s ballast and 10 peeps. Seriously who gives a crap, 350, 308 whatever it takes
That is pretty much my take. My RTP may be down to 20 or 30 HP for all I care. It moves my boat more than need it to. Would chime in that there should be some way to compare for those that are shopping.
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  #26  
Old 04-15-2011, 10:27 PM
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Quote:
Originally Posted by MattsCraft View Post
Does it really matter??? My MCX performs just fine in my X2 Loaded to the gills, 1800#,s ballast and 10 peeps. Seriously who gives a crap, 350, 308 whatever it takes
I didn't say the mcx doesn't performance well. I was just trying to find accurate information on the new engines. Your mcx might be 350 I don't know. Mastercraft website says one thing all the dealers say another and the manufacturer doesn't tell at all.
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  #27  
Old 04-15-2011, 10:34 PM
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I know I'm going to regret this........For a wimpy wakeboarder and a cooler full of beer it may not matter.

For those of us that slalom, jump and barefoot its important, I'm just saying.

Oh boy, this is going to hurt.
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  #28  
Old 04-16-2011, 09:37 AM
ddanenberger ddanenberger is offline
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I problally should stay out of this, but this is my understanding of the situation.

The HP has not changed, the performace has not changed. The manufactures could pick based on a range. Most pick the high end. This caused problems when the motors did not come up to specs. I was told and stress told, that this is normal and all manufactures were doing this. Mastercraft decided to revert back to the actual ratings as tested. This lowered the placard.

Again, as I understand, the motor performace has not changed only the placard.

I believe this to be called marketing...After all they now have a new engine lineup.
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  #29  
Old 04-16-2011, 10:37 AM
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Quote:
Originally Posted by rgardjr1 View Post
What's kind of funny about this is that Indmar lists both a cat version and non cat version of the 5.7L in 2007

5.7L W/ Cats 230kW
5.7L No Cats 218 kW
The reason for the different rating...
The 5.7L No Cats was the TBI rated at 218kW
The 5.7 W/Cats is the Multiport Fuel Injection rated at 230kW

What is interesting is that the pre 2007 MPFI was rated at 231kW, so virtually the same.
Also during that time frame 5.7 PCM did appear to hold a HP advantage with a 246kW rating.
However the recent certification of the 5.7 PCM w/Cats are only rated at 207kW
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  #30  
Old 04-16-2011, 10:55 AM
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The question of "How many users are running their boat in the range where the HP/torque are highest?" needs to be asked. Unfortunately, that HP/torque curve isn't available to us but if most users are wake boarding or running at 34MPH without a whole stack of skiers, it doesn't matter if it tops out at 308 or 330HP. Even if the boat is used for barefooting, there's not that much load added by one person. Top speed may be needed but it's not like someone is trying to pull stumps.

If people noticed a real lack of power, it would be well-known.
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