emulsion tube size ?

[pearl111]

Hi does anyone know the predator 212 stock emulsion tube size that is installed from the factory? I think the upgrade is 140 but I would like to know the original size thanks. mike

 

[bob58o]

Hi does anyone know the predator 212 stock emulsion tube size that is installed from the factory? I think the upgrade is 140 but I would like to know the original size thanks. mike

I have them both within a caliper's reach.
What measurements do you want?

---------- Post added at 01:22 PM ---------- Previous post was at 01:20 PM ----------

There are different numbers of holes, placed in different locations, with different diameters.

 

[bob58o]

Emulsion tube, so what the **** does it do? The easy answer is that it mixes air with fuel as it enters the aux venturi and is sucked into the engine. But, that's not all it does. Actually that's the smallest part of what the tube is actually doing. The e-tube is actually a fuel brake. It slows the progression of the fuel metered by the main jet. Without thEe e-tube the car would continue to run richer and richer as the revs rise. See as the air speed increases and pressure drops across the chokes, vacuum in the float bowl increases two fold, so there has to be a way to meter the fuel down to use able amounts. The emulsion tube does this two ways. The first is by the width of the tube. The wider the tube is the tighter it fits against the main circut galley, therefore the less fuel it allows by and the leaner the mixture. The second way it slows the fuel's progression is with the air corrector jet and the holes in the tube. The emulsion has different series of holes along the length of the tube. The higher the holes the LOWER the RPM range effected. When the etube assembly is in the carb it is half sitting in fuel, half not. The depth of the fuel in the main circut is controled by the float setting in the carb. You see the higher the fuel level is in the etube galley the sooner the main circut will come on. Also, the less amount of holes above the fuel the sooner the main circut will come on. Air and fuel will take the easiest path to get to the vaccume created in the engine. If it's easier for air to rush past the ac jet and through the e-tube and into the carb than it is for the fuel to be pulled out of the float bowl that's exactly what is going to happen and that's why the main circut is comming on late."

http://www.rx7club.com/1st-generatio...-tubes-805950/

 

[pearl111]

Wow I did not know there were more then one. The reason was I am wanting to get the muffler air intake gas jet upgrade because I took the governor out. and with that done I was comparing prices of buying parts in kits or separately. Long story short is it better to get the 140 emulsion tube. I forgot to write that the motor is a HEMI predator 212 thanks for helping. mike

---------- Post added at 03:05 PM ---------- Previous post was at 02:47 PM ----------

Oh boy I just read what does the e tube do and thanks now I kinda know I just need to study it a little more though. What would you do, go for the 140 e tube or keep the one that came with the motor or something different. mike

 

[bob58o]

140 Emulsion tube means from a Honda gx140.
It is the same as a 160 E Tube (from a Honda gx160).
The number does not idicate a "SIZE"

---------- Post added at 02:12 PM ---------- Previous post was at 02:10 PM ----------

What would you do, go for the 140 e tube or keep the one that came with the motor or something different. mike

I'd try the stock one first, if not happy... Try the one from the gx140.
I went for the 140 tube with the intake, exhaust, and main jet.
I didn't try the stock one with stage 1 mods.
It came with the kit.
Get the kit.
From OMB its the cheapest I think???

---------- Post added at 02:17 PM ---------- Previous post was at 02:12 PM ----------

Yep Here you go, get this one!!!!
https://www.ombwarehouse.com/Predator-212cc-Go-Kart-Kit-Stage-1-Hemi.html
Unless you can fab an exhaust with tools you have and already have the drill bits to rejet and want to file the flywheel key......

I priced it out, and this is the better option IMHO.

 

[KartFab]

I like that kit except for the little weenie pipe exhaust. If they could just switch it to a 3 stage .......