New member. How fast will she go?

New member. How fast will she go? · « **on:** May 16, 2008, 01:53:53 PM »

Hi Im new to the forum. I own a 77 Southwind 18 foot jet. I ts been a project for quit a while and am just finishing it up this month. I am woundering how fast it might go. Its a 800 hp big block efi with a 300 shot of nitrous, putting at around 1100 hp. The power range will be in the high rpm lever since its a solid roller motor. peak power around 6-8 thousand rpm. it goes on the dyno beginning of next week, and ill put it on you tube. the pump is a 12jc with a split bowl conversion, bowl is ported. it also has a shoe and ride plate, loader, inducer, droop snoot, jet a vator, lol spelling. the pump is in the stock location. It also has a bronze b impeller from gs marine. it is a 19 degree hull. Ive been reading a lot of threads here and it sounds like a lot of you guys have a lot of experience with jet boats. Im just lookin for a ball park figure. Thanks Jimmy. Ill post picks when I get the motor back.

Re: New member. How fast will she go? · « **Reply #1 on:** May 16, 2008, 02:07:20 PM »

Put it in the water and find out, thats the best way..

Or i can tell you it will do 100 mph, but hell so will my boat

2sav

Re: New member. How fast will she go? · « **Reply #2 on:** May 16, 2008, 02:11:03 PM »

Ask UNDONE He probably has 3 or 4 of those

Re: New member. How fast will she go? · « **Reply #3 on:** May 16, 2008, 02:11:47 PM »

Quote from: GlassCutter on May 16, 2008, 02:11:03 PM

Ask UNDONE He probably has 3 or 4 of those

And they all do a buck +

2sav

Re: New member. How fast will she go? · « **Reply #4 on:** May 16, 2008, 02:15:16 PM »

you guys are messed up...cant even say welcome or anything, just start clowning on others atleast wait till his second post damn...oh yeah welcome and let us see some pictures

Re: New member. How fast will she go? · « **Reply #5 on:** May 16, 2008, 02:16:26 PM »

Quote from: 1980Nordic on May 16, 2008, 02:15:16 PM

you guys are messed up...cant even say welcome or anything, just start clowning on others atleast wait till his second post damn...oh yeah welcome and let us see some pictures

Whoops

My bad,,,,,, Welcome

2sav

Re: New member. How fast will she go? · « **Reply #6 on:** May 16, 2008, 02:19:42 PM »

Quote from: GlassCutter on May 16, 2008, 02:11:03 PM

Ask UNDONE ...

Rumor has it that he's outta here...

Quote from: ROMPERSTOMPER on May 16, 2008, 01:53:53 PM

Hi Im new to the forum. I own a 77 Southwind 18 foot jet. I ts been a project for quit a while and am just finishing it up this month. I am woundering how fast it might go. Its a 800 hp big block efi with a 300 shot of nitrous, putting at around 1100 hp. The power range will be in the high rpm lever since its a solid roller motor. peak power around 6-8 thousand rpm. it goes on the dyno beginning of next week, and ill put it on you tube. the pump is a 12jc with a split bowl conversion, bowl is ported. it also has a shoe and ride plate, loader, inducer, droop snoot, jet a vator, lol spelling. the pump is in the stock location. It also has a bronze b impeller from gs marine. it is a 19 degree hull. Ive been reading a lot of threads here and it sounds like a lot of you guys have a lot of experience with jet boats. Im just lookin for a ball park figure. Thanks Jimmy. Ill post picks when I get the motor back.

Welcome.

I'm assuming this is a Southwind V bottom not one of their tunnel dragster's? What is a 19 degree hull? How did you determine the HP of your engine?

With the parts you've chosen and in the manner that you describe your set up, I think you know the answer already. But just for sh!t's and giggles, if it's all set up correctly my guess is around mid 90's off the bottle with just a hair over triple digits on the bottle.

Re: New member. How fast will she go? · « **Reply #7 on:** May 16, 2008, 02:23:41 PM »

Quote from: hotrod56cars on May 16, 2008, 02:19:42 PM

Rumor has it that he's outta here...

As Undone would say. Its not a rumor , it is a well known fact that i am no longer a member of this circus

SEE YA

2sav

Re: New member. How fast will she go? · « **Reply #8 on:** May 16, 2008, 02:24:11 PM »

Sorry for the thread JACK....
2sav

Re: New member. How fast will she go? · « **Reply #9 on:** May 16, 2008, 02:27:05 PM »

Welcome, I'll say just like rod 90'ish then with nos maybe 102

Re: New member. How fast will she go? · « **Reply #10 on:** May 16, 2008, 02:52:16 PM »

Its finally a Frikking Friday!!! Ya hoo Welcome to all the newbies I hope all your stuff is always running and your glasses are always full. I'm outta here to brave the 91 frwy. Gonna start shining up the boat for Elsie this weekend. Hope to see all you bitches out there Sunday

Re: New member. How fast will she go? · « **Reply #11 on:** May 16, 2008, 03:20:06 PM »

welcome=i have a 78 southwind w/half the hp=just did ride plate and droop setup=hopin for 80 plus-will find out this weekend at cfw

Re: New member. How fast will she go? · « **Reply #12 on:** May 16, 2008, 03:33:09 PM »

Quote from: 2savage4you on May 16, 2008, 02:16:26 PM

My bad,,,,,,
2sav

Where the hell did this term originate?

Re: New member. How fast will she go? · « **Reply #13 on:** May 16, 2008, 03:40:42 PM »

Quote from: GAWnCA on May 16, 2008, 03:33:09 PM

Where the hell did this term originate?

I was waiting for someone to bring this up, Where it came from my guess is the hood..

I normally dont say that shit but its the first to come to mind

I live in Bullhead , what can i say

2sav

Re: New member. How fast will she go? · « **Reply #14 on:** May 16, 2008, 03:56:44 PM »

Quote from: 2savage4you on May 16, 2008, 03:40:42 PM

I was waiting for someone to bring this up, Where it came from my guess is the hood..
2sav

Figures.

No wonder there's such a high drop out rate.

Re: New member. How fast will she go? · « **Reply #15 on:** May 16, 2008, 04:21:26 PM »

Welcome.
T.J.

Re: New member. How fast will she go? · « **Reply #16 on:** May 16, 2008, 04:38:38 PM »

Quote from: hotrod56cars on May 16, 2008, 02:19:42 PM

Rumor has it that he's outta here...

Welcome.

I'm assuming this is a Southwind V bottom not one of their tunnel dragster's? What is a 19 degree hull? How did you determine the HP of your engine?

With the parts you've chosen and in the manner that you describe your set up, I think you know the answer already. But just for sh!t's and giggles, if it's all set up correctly my guess is around mid 90's off the bottle with just a hair over triple digits on the bottle.

Re: New member. How fast will she go? · « **Reply #17 on:** May 16, 2008, 04:50:01 PM »

So you are a skin head running through the nite! Skin head! Skin head!

Welcome to the board....

Re: New member. How fast will she go? · « **Reply #18 on:** May 16, 2008, 04:50:12 PM »

Quote from: GAWnCA on May 16, 2008, 03:33:09 PM

Where the hell did this term originate?

I believe it became popular after the mone 8 mile with Eminem

Re: New member. How fast will she go? · « **Reply #19 on:** May 16, 2008, 04:51:31 PM »

OOOPS! I mean MOVIE

Re: New member. How fast will she go? · « **Reply #20 on:** May 16, 2008, 04:57:01 PM »

Yes a v bottom. I had this motor on the dyno last week and it was putting out 680 hp at 7200 rpm off the bottle. It had 990 heads ported and worked for a 700+ cam. I switch them out with a set of rhs/ pro-topline 360 cc heads and ported them and added a shaft mout rocker set up. I also added a vacume pump. The dyno guy, Rick from speed o motive estamated close 800 hp with out the nos. It will be back on the dyno next week. I was just courious, on the speed for safty reasions. I fifured 100+ but how much +. putting it in the water is the way to find out but Im so damm excited I had to ask. I have a lot into this motor. And it has taken a ton of time. It is a tunnel ramm machined to hell. the top was machined off to weld on a rectangle blower plate to mount a 2 inch riser for the nos injectors and bug catcher on top of that for the throdle body. The runners were machined for the 75 lb injectors. the nos is a dry set up. im also running a fjo nitrous controller. A guy some of you may know " Roy miersh" did all the pump work. And a damm good jod he did. I was also wanting to know if the quarter stringers can hold up to that kind of power and if a b impeller is a good choice for that hp and rpm range.

Re: New member. How fast will she go? · « **Reply #21 on:** May 16, 2008, 04:58:03 PM »

Im not a skin head. Its the name of the boat. lol.

Re: New member. How fast will she go? · « **Reply #22 on:** May 16, 2008, 05:00:29 PM »

There is a chart on here somewere that shows a estimate of how much horse power it takes to spin diffrent impellers to diffrent rpms. I would try and find it if I were you. You might need a diffrrent impeller to spin 7200 rpms.

Re: New member. How fast will she go? · « **Reply #23 on:** May 16, 2008, 05:02:05 PM »

Found it!!!

http://www.socaljetboats.com/index.php?topic=511.0

Re: New member. How fast will she go? · « **Reply #24 on:** May 16, 2008, 05:02:48 PM »

Welcome!

"How fast she will go" depends on how many drinks you get her to drink........oh wait, wrong "she"

I dont think anyone can say how fast it will go without getting it wet. A bunch of people have put together there boats with combinations that they expect to go "xxx".

There are so many varibles that go into the final speed of the boat:
how much to you weigh?
How much fuel will you have onboard?
How much does everything weigh together?

Your motor and pump in another southwind hull may run at a completely different speed.

PUT IT IN THE WATER!

ROMPERSTOMPER

2savage4you

GlassCutter

2savage4you

Nordie

2savage4you

hotrod56cars

2savage4you

2savage4you

bkplesh

GlassCutter

just squirtin

GAWnCA

2savage4you

GAWnCA

TJS Nordic

ROMPERSTOMPER

Warlock

skee

skee

ROMPERSTOMPER

ROMPERSTOMPER

Marcsrollin

Marcsrollin

OC2Vegas