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If you're not registered, please consider doing so. It's easy - just click the "Register" link at the top
right corner of the page. Our forum needs members like you to contribute to the site in order to survive.
We are a community of boat lovers and Hydrostream enthusiasts here; we are happy to help anyone
who may need advice or guidance for their 'Stream; and we encourage members to offer their advice
and guidance to others as well. Thank you for visiting our forums, and please register.
We're better than Facebook.
Registering only takes a few minutes and you can do so by CLICKING HERE
If you are a member, don't forget to log in to take full advantage of the forum.
HOW FAST CAN A VEGAS GO?
HOW FAST CAN A VEGAS GO?
I HAVE A 07 HYDROSTREAM VEGAS.IT HAS A 07 MERCURY OPTIMAX 300XS 3.2 ON IT.
CURRENTLY WITH 6 INCHES SET BACK ON JACK,1.62 SPORTMASTER GEARCASE PROPSHAFT EVEN
WITH PAD.28 PITCH LIGHTING ET.HITS REV LIMITER AT 6500 RPM AT 97 MPH.
THIS WINTER ITS GETTING A TITUS GRISHAM SPORTMASTER MOD.HYDROFOIL CAVITATION PLATE
ECU REV LIMITER BUMPED TO 6800 AND A LIGHTEN FLYWHEEL.
WHAT PROP PITCH SHOULD I TRY AND SHOULD I CHANGE PROP STYLE?
HOW FAST CAN THIS SET UP GO?
CURRENTLY WITH 6 INCHES SET BACK ON JACK,1.62 SPORTMASTER GEARCASE PROPSHAFT EVEN
WITH PAD.28 PITCH LIGHTING ET.HITS REV LIMITER AT 6500 RPM AT 97 MPH.
THIS WINTER ITS GETTING A TITUS GRISHAM SPORTMASTER MOD.HYDROFOIL CAVITATION PLATE
ECU REV LIMITER BUMPED TO 6800 AND A LIGHTEN FLYWHEEL.
WHAT PROP PITCH SHOULD I TRY AND SHOULD I CHANGE PROP STYLE?
HOW FAST CAN THIS SET UP GO?
Re: HOW FAST CAN A VEGAS GO?
Welcome to the forum!
Once you get a chance post some pics.
I'm not sure on that setup. There is a guy in our club with a new vegas and a 300 I can ask him but it might take a while.
I'm not sure I would spend the $ on a lightened flywheel. You probubly won't notice any gains in performance and it's not spinning high enough rps's to worry about the upper crank bearing. This is just my opinion.
The hydrofoil will help get up on plane quicker and stay there at a lower speed.
I would bump the limiter to 7000 if I were to do it 300 rpm isn't that much.
Once you get a chance post some pics.
I'm not sure on that setup. There is a guy in our club with a new vegas and a 300 I can ask him but it might take a while.
I'm not sure I would spend the $ on a lightened flywheel. You probubly won't notice any gains in performance and it's not spinning high enough rps's to worry about the upper crank bearing. This is just my opinion.
The hydrofoil will help get up on plane quicker and stay there at a lower speed.
I would bump the limiter to 7000 if I were to do it 300 rpm isn't that much.
Samari on s&f
Chet Olson
75 viper 2.4 200, 130 shot of NOS
91 vegas loaned out
79 vking project 2.5 280
Chet Olson
75 viper 2.4 200, 130 shot of NOS
91 vegas loaned out
79 vking project 2.5 280
Re: HOW FAST CAN A VEGAS GO?
THE LIGHTEND FLY WHEEL WILL GIVE ME HUGH GAINS IN MIDRANGE ACCELERATION.ALSO LET THE MOTOR SPIN UP FASTER.ALL THE MERC REPS SAY THAT MOTOR SHOULD HAVE THIS FLYWHEEL FROM THE START BUT THEY PUT ON THE STANDERD FLYWHEEL.SIMION MOTORSPORTS AND PHILLIP AT PK MARINE BOTH SUGGEST IT!
WITH THE FLYWHEEL BEING LIGHTEDED THE MOTOR WILL NEED TO HAVE THE REV LIMITER BUMPED TO 6800 THIS WILL STILL KEEP THE MOTOR DEPENDABLE.DO I RUN A 30 OR 32?
WITH THE FLYWHEEL BEING LIGHTEDED THE MOTOR WILL NEED TO HAVE THE REV LIMITER BUMPED TO 6800 THIS WILL STILL KEEP THE MOTOR DEPENDABLE.DO I RUN A 30 OR 32?
Last edited by MARK ALAN on Nov 05, 2009 6:38 pm, edited 1 time in total.
Re: HOW FAST CAN A VEGAS GO?
Ok Good luck
Samari on s&f
Chet Olson
75 viper 2.4 200, 130 shot of NOS
91 vegas loaned out
79 vking project 2.5 280
Chet Olson
75 viper 2.4 200, 130 shot of NOS
91 vegas loaned out
79 vking project 2.5 280
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- Hydrostream know it all
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Re: HOW FAST CAN A VEGAS GO?
Someone in my area ran a cleaver which took him to the mid 90's in his vegas with a bp. I think he has more set back though.
Also welcome
Rick.
Also welcome
Rick.

1980 Viking
150 Black Max
150 Black Max
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- Getting my feet wet
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Re: HOW FAST CAN A VEGAS GO?
I've heard of a few guys running over 100mph with a Vegas XT....but I think they get pretty flighty above that speed. I don't think the Vegas's were really designed for those kind of speeds. If you are wanting to just get out and run big top end numbers, you would be miles ahead to sell the Vegas and get something like a light STV or Allison. There are guys running well over 100 with a lot less motor than what you've got on the back of your Vegas.
1989 Vegas XT w/ 3.0 OMC Looper
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Re: HOW FAST CAN A VEGAS GO?
Welcome aboard.
And you dont need to yell. 


-Kevin
Project Vulture | Project Vector | Project Vamp | Project Vixen
The Vulture Wish List | Project CobraJet
1977 HydroStream Vulture - Worlds longest ongoing project.
1982 Hydrostream Vector
1982 Hydrostream Vamp
1973 Hydrostream Vixen
1976 CobraJet Jet Boat - Outboard conversion project
1976 Pontoon - aka The Family Truckster
Project Vulture | Project Vector | Project Vamp | Project Vixen
The Vulture Wish List | Project CobraJet
1977 HydroStream Vulture - Worlds longest ongoing project.

1982 Hydrostream Vector
1982 Hydrostream Vamp
1973 Hydrostream Vixen
1976 CobraJet Jet Boat - Outboard conversion project
1976 Pontoon - aka The Family Truckster
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- Regular
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Re: HOW FAST CAN A VEGAS GO?
I'd run the 28 up to the new limiter and see how it handles. Then go prop shopping from there. It should easily pull a 30 to the new limiter, so you'll more than likely end up going with a 32. The new Vegas is a sweet boat.
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- Getting my feet wet
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Re: HOW FAST CAN A VEGAS GO?
if youre wacking rev limiter now why not spend the money on a bigger wheel and see what that does for you???
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Re: HOW FAST CAN A VEGAS GO?
I have the same boat and motor with a 30 Lighting it will go past 95 but it will not handle. The trick is to run a Pro ET 4 blade, the boat is much more stable. I bought a 28 Pro ET and have seen 97 GPS at 6500 RPM. The boats good for more as scream and fly had a guy clocked at 103. I don't know if the 103MPH run was a Simons motor but if I wanted to go faster I would try a 30-32 pitch Pro ET. Keep the shiny side up .
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