He didn't make any soot.

Other than the soot in between your teeth.

You are so predictable.

Look at YOUR previous posts.

Cognitive dissonance

 

 

looks like soot to me,

 

How did later technology enter into a conversation about our Jurassic 7.3Ls with HUEI injectors?

In the wonderful nostalgic world of our engines, the single shot gets more fuel in sooner. I didn't say the AD injector changes the timing, "the AD injector delays the fuel application over the course of time". The split shot fires a little, takes a tiny break to let the fuel make a little fire for heat, then slams the rest of the fuel in. This helps with emissions more than anything else.

While in a perfect world better atomization makes for a cleaner burn, delivering the fuel too late causes not only poor emissions, but poor power and economy - and a lot of heat. Atomized fuel (low atomization or high atomization) needs time, heat and air to burn as fully as possible. Better atomized fuel burns quicker, but the quantity of fuel we can deliver at high atomization is very limited on a HUEI injector, so we have to make the call between more fuel sooner at lower atomization, or less fuel later at higher atomization. The air is hottest and most dense at the top of the piston stroke, so more fuel applied here provides air density, heat, and a longer burn time. Again, we're sticking with what is possible in a HUEI injector - not the new technology that we don't have. Applying fuel as the piston recedes robs the fuel of the air density it needs to burn efficiently - think atomized air. Plus expansion of the gasses this late in the game doesn't add as much oomph as earlier in the game.

The AIR is the thing. Take away the high-pressure air that creates the heat at the top of the piston stroke, and you don't have combustion - you just have an atomizer that sprays fog out the pipe. Yet another butthole vaping.

 

What is the point of this hijack pissing match?

 

I'm actually glad the thread got a smidge off topic because I had already gotten my answer, but a lot of detail came out of it on similar subjects. Its always good when more info comes out for the world!

 

I don't know whether pirate is right or wrong, but he is always one of the best posters on this forum. Some people can disagree and keep their security tank full.

 

Relevance or not; I got a giggle out of these two peeing up each others butts.

 

I would like to thank oharal for creating this thread and allowing it to veer off course. It did provide some entertainment and some insight on the difference between single and split shot injectors.

 

I started my 7.3L career staring at the guy next to me in the bathroom comparing my junk to his. I've learned over the years to just stare at my own urinal and be happy that it doesn't burn when I pee.

I learned some good stuff too.

 

 

Oh man, that was a good way to end this thread!

 

Seriously? All the name calling? Sigh... thread closed until the local mod can take care of this.