Anyone running this ?
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Anyone running this ?

  1. #1
    JRPM/e-PerformanceMarine Squirtin Thunder's Avatar
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    Default Anyone running this ?

    Any racers running the HP bearing kit from ATJ?

    http://www.americanturbine.com/produ...hp_bearing.htm

    Pricing;
    http://www.americanturbine.com/price...aring_kits.htm

    If you have run it please give me your feed back on the unit.

    Thanks
    Jim & Amanda Rich
    CJ 72 & 53c

    JR Performance Motorsports

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  3. #2
    Boat Nut sleekcrafter's Avatar
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    It's a nice piece,and works very nicely. Allows you to pre-set the bearing load. Also has a seal cup, isolates the drive yoke from the shaft / bearing grease. A niece feature to keep the grease sling to a minimum.
    Upper Midwest Power Boat Association
    DRAG BOAT RACING UMPBA #926


  4. #3
    Senior Member Boat 405's Avatar
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    Looks cool don't see the need for it on 95% of jets. With proper maintenance a good high quality bearing should last for years without any failures.
    Boat 405.

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  6. #4
    JRPM/e-PerformanceMarine Squirtin Thunder's Avatar
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    I am running one in the River Rescue Boat as it has a 9.5" impeller, I felt it important because of the heavy service the pump would see pulling stranded boats up river. My main concern is in a race boat situation, what do you folks think? I did worry about the set screws backing off so after torquing I removed and coated the contact surface of each set screw completely one at a time with red loctite.
    Jim & Amanda Rich
    CJ 72 & 53c

    JR Performance Motorsports

  7. #5
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    Quote Originally Posted by widowmaker View Post
    Looks cool don't see the need for it on 95% of jets. With proper maintenance a good high quality bearing should last for years without any failures.
    x2
    it prob has its place, but, for that price ($359) u can buy alot of high quality bearings! & use the $$$ for something much more important...just my .02 cents

    FastRat

  8. #6
    Boat Nut sleekcrafter's Avatar
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    Quote Originally Posted by Squirtin Thunder View Post
    I am running one in the River Rescue Boat as it has a 9.5" impeller, I felt it important because of the heavy service the pump would see pulling stranded boats up river. My main concern is in a race boat situation, what do you folks think? I did worry about the set screws backing off so after torquing I removed and coated the contact surface of each set screw completely one at a time with red loctite.

    The instruction tell you to put loctite on them, but don't remember if it was red, I'm thinking it was blue or green loctite.

    As for the pump, it really don't care what it's doing. It's just pumping water, could be in a 40 ft house boat, or a sprint boat. If your talking extended periods of high rpm, now thats different, AMT has designed the kit for this application.
    Upper Midwest Power Boat Association
    DRAG BOAT RACING UMPBA #926


  9. #7
    I'm No Expert Shaun's Avatar
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    Quote Originally Posted by sleekcrafter View Post
    The instruction tell you to put loctite on them, but don't remember if it was red, I'm thinking it was blue or green loctite.

    As for the pump, it really don't care what it's doing. It's just pumping water, could be in a 40 ft house boat, or a sprint boat. If your talking extended periods of high rpm, now thats different, AMT has designed the kit for this application.
    That doesnt seam right. I mean i understand moving water is moving water but there has to be some difference in back pressure when the boat is moving 5 MPH vs 100 MPH.. right? I'm just thinkin out loud

  10. #8
    JRPM/e-PerformanceMarine Squirtin Thunder's Avatar
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    Quote Originally Posted by Shaun View Post
    That doesnt seam right. I mean i understand moving water is moving water but there has to be some difference in back pressure when the boat is moving 5 MPH vs 100 MPH.. right? I'm just thinkin out loud
    You are right IMO, but some don't think so. I have towed up river with regular Berk pumps, it is very hard on them. It seems that they always were pushing out the packing as well as heating up the bearing. After looking at the quality of this single row bearing, IMO they get a much more even load on the entire bearing assembly vs the two row bearings. Being it is preloaded the shaft has no movement for and aft, this way tighter clearance can be run, IMO.
    Jim & Amanda Rich
    CJ 72 & 53c

    JR Performance Motorsports

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