OK, I have search around and seen a lot of threads about wet kits making more torque and hitting harder, but I have not seen good explanations.

I am trying to understand why a wet kit would make more torque if the setups were identical (same A/F ratios, same bottle pressure, etc).

Can somebody explain this? Does it have to with a better mix of N2O and fuel in a wet kit?

 

Well I can tell you that wet kits making more torque isn't always the case. My 100 shot dry made 80rwhp and 142rwtq. I guess it all depends on your setup.

 

Well, that's what I am trying to understand. Looking thru some dyno posts I have seen results all over the place. I have seen some dry kits make 50-75 more tq than hp, like yours. I have seen wet kits do the same. I have seen dry kits make equal tq and hp, same with wet. I have also seen wet kits make 100 more tq than hp.

Can you give some more details on your setup Camd? Like fuel pressure, A/F ratios, etc.

 

The fact that the wet mixes the N2O with fuel right at the bigining helps to atomize the mixure a lot better by the time it hits the chamber could be the factor.

 

Well the facts seem to point more to the overall torque being pretty close to even, however, the wet kits do sometimes come on a little quiker, thus the perdcieved "hitting harder". What really is happening is a few things, first like darkness stated, the wet mixes sooner than the dry, meaning there is a slight lag concerning the dry. Now why is that, well the dry kits are generally the dual nozzle (and even the single) and noid placement is often quite a ways away, meaning travel time, from main line through noid then trough each individual nozzle line. I have used this fact as a tuning aid, a poor man's window switch (lenghten the line for a softer hit). The opposite is also true, shorten the run from noid to nozzle and it will hit harder and sooner. One more thing to point out, some say the computer adding fuel sometimes lags behind. Maybe, but I haven't had that issue, and believe it has to do with nozzle placement. Now there are certainly exceptions to facts and to say for absolute on any given kit is hard to do. For now I will stick with my dry, as the swelling plunger issue has me running scared.
Robert

 

No, it does not. They both hit the same, if done right.

Look up some of ATVRacers posts or videos. I dont think we have a problem with making torque

 

Do folks generally target a different a/f ratio for wet and dry kits?

It seems TNT has some of the richest a/f ratios out there.

 

Next weekend I hope to test Dry Vs Wet as we tweak my systems, I will try and get say 100 Dry vs 100 wet dyno's and overlay them, I will try and match a 11.5 AFR on each. We will see what we have time for.

Kinda a Beer myth-busters project...

 

lo,l speaking of monstorous torque https://ls1tech.com/forums/showthrea...hlight=nitrous

 

they hit exactly the same if the nitrous flow is the same to the same jet size.

I have done some back to back testing. The differences looked about the same as the differences in the nozzle shootout thread.

 

I will be able to put this to the test for sure in about 2 weeks.
I put down 440hp/586tq on a 90shot. How the hell does that work. On a 50 shot I put down 408/492. N/a 348/358. Wet kit from harris is on the way, dry has been removed do to the insane lean condition.

 

What kit are you running now that is making those numbers?

 

You guys dont have to test it, its been done before. Science tells you it doesnt matter.

I have yet to see a true wet kit cut some 1.2s or low 1.3s on drag radials, but I know of twodry kit cars doing it

 

Why not just set-up the dry kit correctly?
Robert

 

They say its all in the family.. I like to say it all in the tuning.. Each Can be tuned to hit to the other. I would have to guess the wet would hit harder out of the boX simply Cause you are mixing fuel with the Nitrous.. As Dry is only getting to the fuel a Tad later. like ROb said LAg

 

I'm not going to argue wet / dry, but I do know of 2 Wet Kit cars that are both in the low 1.3x range. 1 of them is running a DP setup, the other is a NX Maf kit. Both TA's. The one with the DP setup is running a Futral built 434, so he cuts really short times on motor also.

 

Big motor helps

drag radials? 1.3 on anything is quick

 

Kit was the 5177 kit that I have for sale, comes with lid/wiring/remote opener/custom mount.....

Robert I already removed the kit. I wanted to go wet in the 1st place, but I had money to burn and bought the dry kit. Fix the kit or fix the car? My dyno guy reccomended me get rid of it. And judging from the extreme leaness I agreed and ordered a wet kit from hsw(its on the way!!)

It would be one thing if I had some form of tuning equipment for the dry shot, I didnt, wet seems to be easier in my case.

 

Yea, 90% of the tuners have no idea what they are doing when it comes to dry hits. With a wet kit they have nothing to understand when tuning. We see this more often than not, change over to a wet kit then I can charge you again, and the reason for this is I don't know what I am doing concerning the dry hits. Most of the time the lean condition is nozzle placement/style, and we sort guys out all the time with those two parameters. If your happy that is all that counts.
robert

 

If in fact the wet kit produces any improvement over dry, could it be partially from any cooling effect from passing the fuel thru the plenum or open area of the intake manifold?