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  1. Replies
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    Same engine testing all of these? Are you sure...

    Same engine testing all of these?

    Are you sure all of these are all measuring correctly? When I purchased my American Turbine A impeller it actually ended up measuring closer to A+ so I wouldn't...
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    Np, Just remember that cutting down your impeller...

    Np, Just remember that cutting down your impeller means you'll have to put more foot into it when cruising, towing, skiing, etc so you may want to thing twice about cutting it way down. My impeller...
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    Unfortunately there are a lot of variables here. ...

    Unfortunately there are a lot of variables here. Big HP to one and means something completely different to another. For example "big HP" (for a jet boat) in my mind is up over 1000 HP. The engine...
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    If your impeller was measured and was a true A...

    If your impeller was measured and was a true A and your pump was tight then it would take you around 700 HP to spin that RPM. If you cut it down to a B that should give you a 200 to 300 RPM...
  5. Thread: Need more speed

    by shaun
    Replies
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    4,699

    Yep, thats my boat in the avatar. When i got it,...

    Yep, thats my boat in the avatar. When i got it, there was no engine and it needed alot of work. I fully disassembled it and started from scratch doing everything I could myself. The engine is a...
  6. Thread: Need more speed

    by shaun
    Replies
    11
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    4,699

    When you post, there is a button above the box...

    When you post, there is a button above the box where you write, it looks kind of like a picture frame and when you hover over it, it says "Insert Image" click that, then click the browse and select...
  7. Thread: Need more speed

    by shaun
    Replies
    11
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    4,699

    Here's an impeller RPM to HP chart for berk...

    Here's an impeller RPM to HP chart for berk impellers

    http://www.riverracer.net/forums/attachment.php?attachmentid=192&d=1356549713
  8. Thread: Need more speed

    by shaun
    Replies
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    4,699

    A 12JG pump is good, there are better pumps but...

    A 12JG pump is good, there are better pumps but you only need to go that route when making serious power. The A stands for the cut impeller that was originally in the pump. A is an aggressive cut...
  9. Thread: Need more speed

    by shaun
    Replies
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    4,699

    You need to find out what impeller is in it and...

    You need to find out what impeller is in it and what cut. The 12je pump is not the ideal pump for a performance deal but at the same time it doesn't sound like your cavitating the pump which means...
  10. Thread: Need more speed

    by shaun
    Replies
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    4,699

    Rick, 3000-3500 RPM is cruising rpm for me,...

    Rick,

    3000-3500 RPM is cruising rpm for me, your definitely not even close to waking that engine up. Who did the pump work, do you know what impeller they put in the boat? I would check a couple...
  11. Were you running a forged piston? Ideally forged...

    Were you running a forged piston? Ideally forged is the way to go, JE/SRP pistons should work fine. I used them in my last build, i'm using Mahle now just because i got a good deal on them. CP...
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    There is an event going on this weekend in...

    There is an event going on this weekend in Parker. Races down at blue water and a regatta at pirates.

    Thanksgiving weekend they will be racing at blue water again, this time it will be the circle...
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    I wish i would have grabbed a full backup of the...

    I wish i would have grabbed a full backup of the site back then, we could have had all those pics! At the time I was only concerned about downloading the forum content. Kicking myself in the ass...
  14. Thread: Southwind Found

    by shaun
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    3,490

    Seams like it would be up to the purchaser at the...

    Seams like it would be up to the purchaser at the time the boat was made but your right, most outboards are right hand drive. Whats the transom look like? How thick is it? Pull the drain plug out,...
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    These seam to be pretty unique boats, and it...

    These seam to be pretty unique boats, and it doesn't sound like too many of them where made! Just about every one of them I've seen so far seams to have a different bottom on it. I love the look of...
  16. Thread: Intake Grate

    by shaun
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    Forgot to add, use grade8 bolts! Yes they will...

    Forgot to add, use grade8 bolts! Yes they will rust, but stainless is not strong enough around the head. You'll just need to replace them every few years.
  17. Thread: Intake Grate

    by shaun
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    Not sure what Jack is charging these days for...

    Not sure what Jack is charging these days for loaders. I want to say the price is close though, you'll have to call him and see. The advantage would be that jack would help you choose the right...
  18. Thread: Intake Grate

    by shaun
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    4,015

    Loaders take the place of the stock rock grate on...

    Loaders take the place of the stock rock grate on your pump. The rock grate is mounted using 2 bolts but with a loader you need to mount them using 4 bolts. 2 of the holes can be reused from where...
  19. There you go! Old Rigger knows his stuff!

    There you go! Old Rigger knows his stuff!
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    76 Hondo, Nice boat! Interesting setup there...

    76 Hondo, Nice boat! Interesting setup there with the cav plates!
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    You have any pictures of what they look like?

    You have any pictures of what they look like?
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    Rex Marine (www.rexmar.com) has a ton of stuff...

    Rex Marine (www.rexmar.com) has a ton of stuff and they should be able to help you. If it's the old morse steering cable I do not believe you can get them anymore. I had the same problem and just...
  23. my buddy has that same hull, i'll ask him if his...

    my buddy has that same hull, i'll ask him if his says anything.
  24. Looks like a Tahiti to me, what other information...

    Looks like a Tahiti to me, what other information are you looking for?
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    Welcome to the forums! Got any pics of your...

    Welcome to the forums! Got any pics of your boats? Post em up if you do!
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