Quinc
Buy a Superjet
- Location
- California
Running dual cooling into the exhaust manifold. Is it better to restrict the water coming off the head and pipe, or to restrict it coming into the exhaust manifold?
Best way to restrict dual cooling and keep the engine hot in the fall/winter?
- Thread starter Quinc
- Start date
Ducky
Back in the game!
- Location
- Charlotte, NC
Quinc
Buy a Superjet
- Location
- California
- Location
- the jetski grave yard
i use the 1/4" nipples for water injection/fuel line instead of the 3/8 for waterline. put them on the head exits. put a short piece of fuel line on first, then the water line and clamp.
- Location
- Tri-Cities, WA
I run the old style plastic version of these. The new ones are even nicer as the little restrictor pills don't corrode in the fittings. Makes changes at the launch quick and painless.
http://www.jetworksperformance.com/?p=624
http://www.jetworksperformance.com/?p=624
Same here; little to none
The jetworks style works well. I use the quick release version of this
- Location
- Medina, Ohio
Use the brass seat from a worn needle and seat. You can drill it to any size you need. It will fit perfectly into cooling li es. I keep 2 or 3 different sizes zip tied together for quick change and to keep from losing them.
I run a B pipe and restrict the flow after the pipe that way it creates a better spray for the pipe.
I run a B pipe and restrict the flow after the pipe that way it creates a better spray for the pipe.
- Location
- Lake Havasu City, AZ USA
This is how I have done it forever also. I have sets of 2mm and 3mm that I run in the winter time...I use little SS hose clamps to hold them in place. Works great!
Yami-Rider
TigerCraft FV-PRO
- Location
- Texoma
- Location
- Ontario, Canada
I just run a T on the inbound cooling line to feed both manifold ports. You get almost the same effect of dual cooling by putting water in both ports but you are slowing down the volume a little bit. My sprayer rifles out plenty of water and it's quite nice with how warm it is. Not hot, but very nice and cozy warm 
Quinc
Buy a Superjet
- Location
- California
I just run a T on the inbound cooling line to feed both manifold ports. You get almost the same effect of dual cooling by putting water in both ports but you are slowing down the volume a little bit. My sprayer rifles out plenty of water and it's quite nice with how warm it is. Not hot, but very nice and cozy warm
I thought about this, but it defeats the purpose for me. I run too encase one of the lines gets plugged or comes off etc.
Quinc
Buy a Superjet
- Location
- California
What is the optimal operating temp of the cylinders and head? Need to know how much to restrict.
Yami-Rider
TigerCraft FV-PRO
- Location
- Texoma
I just go by feel, I feel my motor whenever i have my hood off, so i know what feels about right. I know, that doesn't help you any, but thats just what i do.
- Location
- Ontario, Canada
I find that my ski likes to be almost too hot to touch. I can still put my hand on the block but not for long. If its too cold it will always run rich and not properly vaporize the fuel. After all, part of the proper mix is heat to convert the raw charge into vapor. Just don't aim for too much heat or you will be playing Russian Roulette with your engine. Right now I have to run single input T'd, my second line feeds my pipe. I had one line fall out of the bottom of the exhaust manifold. That made things get hot quickly lol.
- Location
- Medina, Ohio
Me too. When your ski is running perfect feel the pipe and cylinders. You will figure out when its to hot or cold.
- Location
- Charlotte, NC
the water exiting the head should be 120-130ish range..