info on on dominater inline jet pumps please
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info on on dominater inline jet pumps please

  1. #1
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    Default info on on dominater inline jet pumps please

    Hello, I'm looking at a tunnel hull jet boat locally and it has a 396bbc and the guy claims it to be doing 85+mph Is that true?


    Secondly, I have a 700p+ weekend vette and I like power. I have had boats and always wanted a v drive or maybe try a jet boat to have crazy fun in.

    I wish I could try both side by side, but in WI it's hard to find these boats.

    My plan is to put at least a 555-632 and maybe a blower if needed on it and have a fun bat for nice days. Looking at 850-1500hp depending.

    Will this pump take that hp?
    What pump will?

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    Senior Member TNYoungblood's Avatar
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    A dominator will handle anything you throw at it as long as it has a good shaft and stainless impeller.


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    Good to know, thanks.

    For a lake boat am I better off with v drive for fuel economy? Money is not the concern, but filling up is on a big lake.


    Also is there less to maintaining jets?

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    1500 hp will be the limiting factor in fuel regardles of drive type. Marinas around here don't sell aviation fuel, methanol, nor racing fuel. Even with two 20 gal tanks you aren't going too far with that much power. But you will get there quick. Depending on where you boat, on the Mississippi the Japanese Carp don't seem to jump at jet boats, just props of any type. Of you cavatate the pump they will jump. So either stay ahead of your buddies or go slow enough that getting hit with a 30 lb carp won't hurt to much.
    Last edited by snoc653; 07-30-2016 at 08:51 PM.
    So many projects, so little time

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    Quote Originally Posted by snoc653 View Post
    1500 hp will be the limiting factor in fuel regardles of drive type. Marinas around here don't sell aviation fuel, methanol, nor racing fuel. Even with two 20 gal tanks you aren't going too far with that much power. But you will get there quick. Depending on where you boat, on the Mississippi the Japanese Carp don't seem to jump at jet boats, just props of any type. Of you cavatate the pump they will jump. So either stay ahead of your buddies or go slow enough that getting hit with a 30 lb carp won't hurt to much.
    I'm in WI. I'd be on a larger lake most of the time, and a lake most would say not to use drag boat, but the one I'm looking at is there currently and been for 25 years.

    So will 500-600hp in a jet be more friendly? I really would like to be able to do 100mph. They are claiming it does high 80's with a 396, but I have no idea of the mods, the actual owner died and owned it 25 years. It looks to have all dated engine parts on it so I assume the guy did not touch it.

    People think my carb 434 '90 vette won't get mpg but I get 20+ depending and the carb tune is not completed on a dyno yet. I'm only saying that, because I want to make sure I don't make mistake and have to mess with the power 2 times.

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    5-600 up would be a lot more fuel friendly but jets aren't known for their fuel milage. 600 to 800 would be more performance friendly without requiring hard to get at the lake special fuel.

    The real question is can the hull you are looking at handle 100mph safely. There are a lot of jets capable of those speeds but most aren't big lake (read as they are good water only) boats. If your goal is 100+ then start by trying to find out if the specific hull you are interested in can safely handle the speed. Then find out what needs to be done to get them there. If the boat you are looking at is supposed to run 80 go for a test drive and take a GPS. My 55mph mini day cruiser ran all day with a "80 mph" glastron. The owner was quite adamant that my boat was also running 80 until I showed him the GPS.
    So many projects, so little time

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    Quote Originally Posted by snoc653 View Post
    5-600 up would be a lot more fuel friendly but jets aren't known for their fuel milage. 600 to 800 would be more performance friendly without requiring hard to get at the lake special fuel.

    The real question is can the hull you are looking at handle 100mph safely. There are a lot of jets capable of those speeds but most aren't big lake (read as they are good water only) boats. If your goal is 100+ then start by trying to find out if the specific hull you are interested in can safely handle the speed. Then find out what needs to be done to get them there. If the boat you are looking at is supposed to run 80 go for a test drive and take a GPS. My 55mph mini day cruiser ran all day with a "80 mph" glastron. The owner was quite adamant that my boat was also running 80 until I showed him the GPS.
    '83 2 seater texas tunnel 16' ( I heard they throw people) 55mph lame. I had a cuddy cabin that could do it years back. That is what I am afraid of. I would think a boat that small and built for racing could go 70 for sure with 375-450hp+ in it.

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    Quote Originally Posted by SCREAM'NMAD View Post
    '83 2 seater texas tunnel 16' ( I heard they throw people) 55mph lame. I had a cuddy cabin that could do it years back. That is what I am afraid of. I would think a boat that small and built for racing could go 70 for sure with 375-450hp+ in it.
    Does it look like this hull? If so this one was set up to run 123 in the quarter.

    Here is the link to where that particular boat sold on this site. http://www.performanceboats.com/boat...xas+tunnel+jet

    You can read what he had done and what it sold for. Do a search at the top right for Texas Tunnel Jet and you can find more posts about them. You may have to sift through some general threads it pulls up for some reason, but there are Threads on this particular model hull.

    http://www.performanceboats.com/boat...nnel-hull.html
    Link to Another one that sold, it was reported to have run 99 with about 600 horse. But they were worked on to make them go that fast Safely.
    Last edited by snoc653; 08-01-2016 at 04:16 PM.
    So many projects, so little time

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    Default A Good Read if you're thinking Texas Tunnel

    http://www.performanceboats.com/jet-...as-tunnel.html

    There is a lot of good info in this old thread. And a few references to people here in the Midwest that might be able to give you pointers if you buy it.
    So many projects, so little time

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    Yup, the red one. So it seems between not being a lake boat and the high speed not their thing, I'll probably see what it acts like and or just do a bbc 600+hp in it.

    If the boat was v drive would it be faster?, or better?

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    Quote Originally Posted by SCREAM'NMAD View Post
    If the boat was v drive would it be faster?, or better?
    Trying to be politically correct, V Drives are more effective with their power on the top end. I'm not sure if that hull would work as a v drive.

    What will probably happen is you will get it. Get hooked on fast boats and find a good project to build into exactly what you want. But it is hard to know exactly what you want until you've tried some and have some experience with them. I have 4 v drives I need to finish and two jets. I hope after I finish them most will find new homes. Or I could wind up with 7 Or 8 toys to bounce back and forth between.
    So many projects, so little time

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    If you haven't bought the boat yet i'd pass on it .. Not the best "lake boat" out there


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    Thanks, I did not get it yet. My wife is not loving this small boat idea. I have had larger boats before, but now I am wondering if a stern drive or shaft drive cat is better for me. I hate to think of the fuel on a 26-28ft boat though.

    I cant seem to fine any cats not there that are not like 20- 30k though lol

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    perhaps a crusier is what you need

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