X2 1100 Build

C

catoira

Location
São Paulo, Brazil
Hello I'm from Brazil and I just have an X2 hull and I bought a Zxi 1100 engine to put on it.

I have a couple questions:

I know that I can use the 650 bad plate on it, but it you align perfect to the couple?

People dow here are saying that I have to use 3 water lines to cooler the motor is that correct? Or just 2 can solve it?

Can I use the x2 water box with the 1100 motor?

What pitch of impeller should I use?

How much compression can I use on this motor?

This is the hull that I'm going to use, I wanna make it ugly so I can go by the 4 strokes and kick the ass with mine 1100

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Vumad

Vumad

Super Hero, with a cape!
Location
St. Pete, FL
Most of your motor tuning questions are answered by people racing b1 or sxr with 1100 motors on them.

@Twinturbostang modifies the pipes for centerbleed which can help with your exhaust routing. He may also be able to help you with your bed plate.

I'm not a fan of the stock x2 waterbox. I believe putting in a right rear exhaust and a Superjet waterbox is better for any application, but I do not have an 1100.

There is a past 1100 build you can search for on Google. They had to add sponsons to cover up a modification to the hull to fit the 1100 exhaust.

I have no idea on your prop size or 3 cooling lines, but I think you should consider the 800 pump swap. Rad dudes also sells a pump tunnel for a full swap but that depends on how much work you want to do.

Know ahead of time that the 1100 is no small job.
 
orangefinger

orangefinger

Location
Reno,NV
Hi ,

Congrats on your build ! You are in for a hell of a ride , and I mean work

I have built an 1100 X2 and can provide u with some advise.

My recommendations would be if you run exhaust to run rear exhaust with a flapper, the X2 will be very heavy and will sink easily with the exuast tube submerged. If you are planning to actually do fiberglass work you should pull the water box / resonator up and under the seat compartment and then drop the exhaust back down .

In order for you to actually go by 4 strokes and make them look ugly u would have to remove the pump tunnel and replace it with an 1100 pump tunnel and pump. The 650 pump tunnel and pump will be your bottle neck .

I would further recommend to get tubbies for general stability.

If you have 3 waterlines coming thru is good , the stock 1100 ZXI/STX runs with 1/2 inch in so you could double tap the manifold for your 2 3/8's
 
Millah

Millah

Location
Reno/Sparks
They fly like a rocket and sink like a rock. You can use the 650 pump but you will want a 15/22 pitch impeller. Mine (orangefinger built) never had a cooling problem. We duel cooled fromthe pump into a T to the mani. Seemed to work fine. Tripples don't need a lot of compression id say 140 150psi max.
 
C

catoira

Location
São Paulo, Brazil
orangefinger said:
Hi ,

Congrats on your build ! You are in for a hell of a ride , and I mean work

I have built an 1100 X2 and can provide u with some advise.

My recommendations would be if you run exhaust to run rear exhaust with a flapper, the X2 will be very heavy and will sink easily with the exuast tube submerged. If you are planning to actually do fiberglass work you should pull the water box / resonator up and under the seat compartment and then drop the exhaust back down .

In order for you to actually go by 4 strokes and make them look ugly u would have to remove the pump tunnel and replace it with an 1100 pump tunnel and pump. The 650 pump tunnel and pump will be your bottle neck .

I would further recommend to get tubbies for general stability.

If you have 3 waterlines coming thru is good , the stock 1100 ZXI/STX runs with 1/2 inch in so you could double tap the manifold for your 2 3/8's
Click to expand...
Do I have to change anything in the shaft? or like if i just use the sx 650 on the 1100 it would be good? Do I have to use the waterbox or i can just go the exaust to the exit without anything?
 
orangefinger

orangefinger

Location
Reno,NV
if the engine is mounted on oem bedplates u can run eom shaft, but there are to different ones for x2 , try if you can get the thicker version, the thin version is flimsy, utilize oem 900 or 1100 coupler, do not use wsm couplerws.
U can run without waterbox, front exhaust will be very loud, so wil be rear and beware water in exhaust line wil fill exhaust with water
 
C

catoira

Location
São Paulo, Brazil
orangefinger said:
if the engine is mounted on oem bedplates u can run eom shaft, but there are to different ones for x2 , try if you can get the thicker version, the thin version is flimsy, utilize oem 900 or 1100 coupler, do not use wsm couplerws.
U can run without waterbox, front exhaust will be very loud, so wil be rear and beware water in exhaust line wil fill exhaust with water
Click to expand...
Ok! How much psi can I put on this motor?

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