i know everyone is different but there has to be a range on how much hp is givin with a serten jet size. so can you guys list your hp gains off of what ever jet sizes you have tride? any and all jet sizes, if you have dynoed with a size what hp gains did you see from them? thanks 4 the help guys.

 

with a 52 jet i gained about 170 hp

 

Ive tried a .18 once and noticed very little, then a .24 little better, a .32 hit pretty hard and finally a .52 wich really hit hard. John P said a .52 on a 12v is around 80hp at the rear wheels this seems about right to me. I have split my sol. and placed a nozzle on each side of the CAC both starting with .24's for cooling and traction control and added a second kit for if i ever want it down track when traction is not as much concern, jetting has not been determined there yet, he he.

 

it all depends on what kind of fueling you have

 

Unlike a gasser where you run a wet nozzel and fuel is injected with the nitrous on a diesel we just use nitrous. That being said you have many variables that effect HP.

• Amount of fueling

• Type of nitrous setup

• Amount of air

These all make a huge difference in HP. Normally a small jet .020-.032 can be used to help spool a turbo with very little HP gain. If you have a ton of extar fuel as you go up you will really see a HP gain!

 

yes, thanks 4 the info guys. i do know all of this but am just trying to get a ball park figure on the jets so i have somewhere to start when i hop on the dyno and start switch out jets.

 

any more info?

 

tatkins85:

DTR Members Jetpilot and stock600 have given you some good advice and stock600 has summarized what I have gained from jetting on my 1996 Dodge CTD 12 valve.

Here is a breakdown on my truck as well as my Sons 2004 Dodge CTD CR.

I am running a very simple "NX Express System" with a 10lb bottle, single NX solenoid, with a single NX Shark Nozzle and a .52 jet and I see 74 RWHP with the fuel etc. I am running. My nozzle is located pre-CAC and I use mostly -3 line. This is on my 96' Dodge CTD 12 valve. My Son, John Jr. has the 2004 Dodge CTD CR and is running a similar set-up, but he has two lines coming from the NX solenoid and going to two separate NX Shark Nozzles, one pre-CAC and the other in his airhorn, and he sees close to 80 RWHP. Neither of us use controllers, but are operating the system with Hobbs Switches and a WOT Throttle Switch on our accelerators. You can look at my signature to see how I am set-up on fueling, turbos etc. As Jetpilot said, it will not apply directly to you, but may give you some reference points.

Hope that helps you some.

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John_P