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  #1  
Old 07-12-2007, 05:48 PM
DanMahx DanMahx is offline
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Boat: 1989 Prostar
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Bad prop from Michigan

I just got a new Michigan/Federal 3 blade Nibral 14x18 prop for my powerslot 190 and there is a tremendous amount of vibrationin it. The prop is way out of balance. I've never had this problem with their props before so I was surprised. The finish on the blades and especially on the edges is pretty rough also, which surprised me. What's up with Michigan props? Is this an anomaly or have they gone downhill? My OJ props never look like this. The prop is going back to Overton's today.
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  #2  
Old 07-12-2007, 05:52 PM
rodltg2 rodltg2 is offline
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why buy a michigan prop?
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  #3  
Old 07-12-2007, 05:54 PM
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PendO PendO is offline
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Quote:
Originally Posted by rodltg2
why buy a michigan prop?
yeah, with as much as everyone here likes OJ and Acme ... I gotta agree with Rod (chit, I must be too tired to work, headed to the lake to wear off Thursday, can't belive I just said that)
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  #4  
Old 07-12-2007, 06:38 PM
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scott88prostar scott88prostar is offline
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Boat: 1988 Prostar 454 w/powerslot
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Dan,

I just bought an acme for my 88 prostar powerslot...top was 43.5 at 5100 rpm....now 49.5 (gps) at 4100 rpms and the wake is much flatter comes out of the hole like a shot. Best 500 bucks I ever spent.
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  #5  
Old 07-12-2007, 08:07 PM
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AZDave AZDave is offline
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Boat: 1993 Stars & Stripes Prostar 190 351 285 hp
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I agree with the ACME choice. You also could have installed it improperly. Does the prop seat on the shaft equally with the key in or out? Also, prop nut tension ect in spec. Either of these can cause vibration.
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  #6  
Old 07-12-2007, 08:39 PM
DanMahx DanMahx is offline
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Boat: 1989 Prostar
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After owning ski boats for 30 years and loading on and off the trailer at some sketchy ramps, I've changed my share of props. I always clean the shaft and put on a thin coat of waterproof grease so it seats well. It also helps getting it off. The prop was definitely on right. It's just a piece of garbage.
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  #7  
Old 07-13-2007, 08:34 AM
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André André is offline
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Quote:
Originally Posted by scott88prostar
Dan,

I just bought an acme for my 88 prostar powerslot...top was 43.5 at 5100 rpm....now 49.5 (gps) at 4100 rpms and the wake is much flatter comes out of the hole like a shot. Best 500 bucks I ever spent.
Wow!!!
You gain 6 mph while loosing 1000 rpms and holeshot is better???
What prop did you had on and what's the new one?
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  #8  
Old 07-13-2007, 09:40 AM
wiltok wiltok is offline
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It might have been a return - you'll never know. I bought a prop (for another boat - an I/O) from Overtons and returned it after trying it out - no questions asked (didn't damage it - just didn't like the way it made the boat handle). Someone might have bought it, damaged it and sent it back.
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  #9  
Old 07-13-2007, 10:21 AM
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ProTour X9 ProTour X9 is offline
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Boat: 1989 ProStar 190 & 2006 X9
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Quote:
Originally Posted by rodltg2
why buy a michigan prop?

Hey my grandpa worked at MI Wheel!! I wish MC hadn't switched to spline shaft, other wise we'd be all set and then some!!
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