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Old 10-31-2006, 02:30 PM   #1
CasopoliS
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Default 50/50 injected at TGV housings?

Just a question,
has anyone tapped the TGV housings and put a meth injector nozzle in all 4 inlet ports? I have JDM TGV risers - so no butterfly valves.

Is there any benefit to doing this? Anything BAD about doing this?

The mist would spray horizontally into the vertical airstream of the TGV.

My initial thoughts are:
-make all plumbing lines equal in length
-might make amount injected per cylinder more even (better efficiency?)
-4 small injectors rather than 1 big one
-no fluid in TB or intake mani
-response from pump power-up to mist in chamber would be slightly quicker

if 1 injector clogged 3 would still be going - would this cause problems?
if I put a Aquamist DDS3 safety system on the MAIN meth line, would it be less intuitive because it only represents the main source and not individual feedback?

my guess is its not worth it... BUT its at least a thought.
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Old 10-31-2006, 02:42 PM   #2
Token-Negro
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Yeah Aquamist did this last year on Perrins H6 for sema, it looks cool but really has not cought on as a trend yet. They did it in the manifold runners. I feel its just simpler to use a single or dual jet setup to keep it easier to monitor. If your going to use flow indecators then u would need 4 and that just adds complication for wiring. You get the advantage of the manifold equaling out the flow of air to each cumbustion chamber along with them being in sync with the intake system.
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Old 10-31-2006, 03:05 PM   #3
hippy
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Smaller nozzles probably clog more easily then one larger nozzle. The system would be more prone to making the engine hydrolock. Certain parts which provide injection would be closer to things which are hotter then other parts are exposed to, which could make the effects of injection on each cylinder different. The chance of something going wrong would probably be higher. I don't see what's so bad about having the nozzles further away from the block.....

Having the same injection flow to each runner might make the injection to petrol % more similar on each cylinder, but it might also make the injection to air ratio not as similar in each cylinder. I mean, the front two cylinders probably get the most air because of the way the intake manifold is shaped, and in most cases they all get the same fuel. This would mean that the front two cylinders probably run leaner then the rear two. Having more injection go to the front tho cylinders from having the nozzle before the intake manifold could help put more room on the tuning table which could make for a safer running and/or higher output engine. At least in theory.

peace

Last edited by hippy; 10-31-2006 at 03:22 PM.
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Old 11-05-2006, 05:04 PM   #4
PeteDucati
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Isn't another benefit of meth/water it's ability to absorb heat (while traveling through the intake manifold)? Would port injection negate that?
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