romoving fuel atomizers on a mildly modified n/a engine...
#1
I "lost" my emissions....
Thread Starter
romoving fuel atomizers on a mildly modified n/a engine...
i understant that they help on a stock car, but looking at them theyre just flat disks with holes in them. the fuel will hit them and bounce back off, probably causing the fuel to actually reach the rotor much later than planned. plus the amount of vacume in the system would just pick up the fuel and pull it into the engine anyway reguardless of atomization.
i just dont see much point in them. any imput?
i just dont see much point in them. any imput?
#3
I "lost" my emissions....
Thread Starter
its supposed to help with dispurtion and burning properly iirc but it seems like the injector (if clean) would do an equal or greater job of it
#4
Respecognize!
the design of the diffusers is to help atomize the fuel. the injectors we used are quite large and that means a greater volume of fuel. The diffusers help to keep increased amounts of fuel atomized which is more difficult when there is more fuel. it will not " bounce off ".
#5
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I'm contemplating doing it to my secondary injectors - I figure the air velocity at 3.8k+ is gonna be enough to keep the charge atomized and I'd much rather have smoother airflow in my secondary runners. ~rich
#6
Crash Auto?Fix Auto.
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Originally Posted by Low Impedance
the design of the diffusers is to help atomize the fuel. the injectors we used are quite large and that means a greater volume of fuel. The diffusers help to keep increased amounts of fuel atomized which is more difficult when there is more fuel. it will not " bounce off ".
So this theory would suggest they are more necessary when larger than factory injectors are used? Damn , wait to make some more work for me ***!haha
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#9
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Originally Posted by classicauto
So this theory would suggest they are more necessary when larger than factory injectors are used? Damn , wait to make some more work for me ***!haha
#11
Dont forget new orings on the atomizers, especially if u have some onld crusty ones that come out real easy. I used some carb cleaner on mine, and the orings come in the gp -sorenson kit u can get from most pep-boys (rx7 injector oring kit.)
I believe replacing the atomizer orings fixed a strange vacuum leak I noticed in my car.
I believe replacing the atomizer orings fixed a strange vacuum leak I noticed in my car.
#12
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Originally Posted by DREYKO
i just dont see much point in them.
#13
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Keep them if at all possible. I broke mine and havnt had a chance to replace them yet, there are no ill effects but i bet im losing a few HP due to fuel droplets that are to large to burn. A good visual way to think about them is the injector is a squirt gun and the diffusers are a fine screen door. Try it and youll see why they are there.
#14
Lives on the Forum
The primary ones DO HELP with idle quality.
You can chuck the secondary ones, but you still need them to help seat the secondary fuel injectors properly or at least rig something up to do the same.
Bottom line, they help more than they hurt, so might as well keep them in?
-Ted
You can chuck the secondary ones, but you still need them to help seat the secondary fuel injectors properly or at least rig something up to do the same.
Bottom line, they help more than they hurt, so might as well keep them in?
-Ted
#15
Respecognize!
actually the turbo mobels have different designt than the NA models too. the turbo versions have two parts at opposing angles, meaning technically, they promote atomization better.
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