Freestyle engine questions. Opinions welcome

Blue

Judging your cheapness
Location
St Cloud Florida
@McDog had a 155 in his circus with one of my 727 and i loved it. Matter fact i think he still has the prop forsale.

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Anyone have dimensions for a 155 pump? That would be something I could look into for sure. I could check at home and see what the fitment looks like as far as room goes with my hull.
 

cookn

Kamikaze
Location
where you live
There are a few good threads about the 155 pumps in the drive line section. I think its about an inch wider then the 144 when measuring from the outside of the water fittings
 

tntsuperjet

Tntperformance-engineering.com
Location
Georgetown ca
What type of riding do you prefer as that will help determine where to spend your money.
Flat water??
Surf??
Boat chasing??
Remember everything is a give and take. If you surf ride huge power is not necessary. If you flat water ride and flip then things like big carbs and total loss are great but at the expense of ride time per tank of fuel and distance you can travel from your riding spot.

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There some things here that I don't believe to well thought out.
1- hurricane hull, flat water boat. Not surf hull or boat chaser.
2- big power in surf opens up whole new dimension, look pictures of Brandon Lawlor at surf slam on the inside chop. He could match height of them on the outside sets.
People got so used to his power tricks that in one of his heats he broke steering cable and switched to his back up. Comment was made to me. Man Brandon backup boat needs a bigger engine. I laughed. It has well tuned Dasa 950 that most that ridden feel runs real strong.
So it's really a matter of what you want to achieve at end goal and not double spending. How to get there in steps.
That stock 144 pump will work just as good as 148 till he gets over 125hp.
Right now his setup still well under 100hp.
If he goes to 148 pump now. He will need different pitch prop when he get to his destination.
So out the boat together in the proper steps so each part you add compliments the progress and not have to redo things already owned.
Ski no different then anything else. Start at the base and work your way out.
On Rec boat a php4m light crank will make more difference then a total loss cost same to install and now you have same power and it charges battery.
It also leaves room for expansion without going back into engine for future gains.
 
Random off topic question about other things than engines.... When you guys ordered a handpole limiter rope, was it adjustable at all or did you guys cut yours for a shorter pole? o_O It's the little things I can't figure out sometimes... Haha
 
Location
oakville
Random off topic question about other things than engines.... When you guys ordered a handpole limiter rope, was it adjustable at all or did you guys cut yours for a shorter pole? o_O It's the little things I can't figure out sometimes... Haha
On mine from jetmaniac you tie the knots and make it the length you want
 

Blue

Judging your cheapness
Location
St Cloud Florida
Everthing i mentioned in my post has been tried and tested in my personal ski with our motors. I have ridden surf with a 4mil stroker 900cc with 148 pump and yes power is great but it just wasn't needed. For a pro like Brandon competing its great but for your average guy not so much. I get just as high with my 727cc as i did with my 900 you just have to charge the wave a little harder. Best of all my smaller motor runs twice as long on a tank of fuel so less time spent refueling at the beach.

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I think a mag pump is probably going to be the first thing I do. I'm really torn between a 144 and 148 though. The 144 being the cheaper option of course because I already have an impros hooker prop 10/16 I believe but I'm sure I could sell that no problem. Would I have to get a different trim nozzle for the 148 pump?
 

Blue

Judging your cheapness
Location
St Cloud Florida
No the nozzles are the same 144 to 148. I have had both and i noticed the 148 more than i did the 144. Get hold of jetmaniac he can answer all ur pump questions.

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Blue

Judging your cheapness
Location
St Cloud Florida
No the nozzles are the same 144 to 148. I have had both and i noticed the 148 more than i did the 144. Get hold of jetmaniac he can answer all ur pump questions.

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JetManiac

Stoked
Site Supporter
Vendor Account
Location
orlando
I think a mag pump is probably going to be the first thing I do. I'm really torn between a 144 and 148 though. The 144 being the cheaper option of course because I already have an impros hooker prop 10/16 I believe but I'm sure I could sell that no problem. Would I have to get a different trim nozzle for the 148 pump?

The 144 Mag is the less expensive upgrade and works perfectly with your hooker 10/16 and motor setup. 148 is more expensive, but you upgrade to more power with the same pump later. Nozzles and pump shoe the same with 144-148.
 
Personally. The 4mil crank is the bees knees!! I had Tpe build me a 82mm bore 4mil motor And it's awesome. However I also added a dasa intake and carbs. Big power there too. I'm running a B pipe and charging system still and my dvx flips with ease.

If I had to do it again I would have spent the money on total loss and carbs first. Then when I needed motor work , went with the 4mil.

That all said, none of this matters if it's not tuned correctly. When people rode my unported 718 they thought it was a ported 760. It was super crisp and clean, plus had the correct prop.

This was achieved by dropping the ski off at p&p performance in Richmond. @Philip Clemmons got me the right prop and dialed my setup in perfectly. I had him setup my new ski too and it's crazy good for what I have invested. I can't wait to get a TL setup from him. He has the cleanest setup hands down.

It's worth a weekend of your time to make the trip.
 
Personally. The 4mil crank is the bees knees!! I had Tpe build me a 82mm bore 4mil motor And it's awesome. However I also added a dasa intake and carbs. Big power there too. I'm running a B pipe and charging system still and my dvx flips with ease.

If I had to do it again I would have spent the money on total loss and carbs first. Then when I needed motor work , went with the 4mil.

That all said, none of this matters if it's not tuned correctly. When people rode my unported 718 they thought it was a ported 760. It was super crisp and clean, plus had the correct prop.

This was achieved by dropping the ski off at p&p performance in Richmond. @Philip Clemmons got me the right prop and dialed my setup in perfectly. I had him setup my new ski too and it's crazy good for what I have invested. I can't wait to get a TL setup from him. He has the cleanest setup hands down.

It's worth a weekend of your time to make the trip.
What size is your "dialed prop" , and what carbs did you add??
 
Dasa carbs and intake as mentioned before. Not sure what my prop is any more Phil tweaked it few times as we were dialing in the carbs and pipe and nozzles. Its really way too complicated but the results were worth it.

And even if I knew what it was exactly it wouldn't matter. Every ski is different, I learned that with my superjet.

I wish I could say the OEM 155 pump is better than the solas 144 but I also went from a 80-90lb sj to a 46lb DVX. Hardly an even comparison even though those are the only two things that changed
 
The 144 Mag is the less expensive upgrade and works perfectly with your hooker 10/16 and motor setup. 148 is more expensive, but you upgrade to more power with the same pump later. Nozzles and pump shoe the same with 144-148.
I think I will upgrade he engine more but it will be later down the road. It makes sense what you're saying though. Maybe I should just look into going with a 148 instead of having to redo everything down the road. What all would a 148 mag swap require?
 

JetManiac

Stoked
Site Supporter
Vendor Account
Location
orlando
I think I will upgrade he engine more but it will be later down the road. It makes sense what you're saying though. Maybe I should just look into going with a 148 instead of having to redo everything down the road. What all would a 148 mag swap require?

148 pump, prop, and wear ring. With nonsetback pump you can reuse same driveshaft.
 
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