Nitrous

94 DropTop

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all matter of opinon. nothing more than a 150 shot. I just bought a NOS 5115 kit its a 75 dry. from what ive heard i would stay away from the zex dry kits
 

ryclef331

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I loved my compucar kit. Bought it used for 100 bucks and never had a SINGLE issue out of it. They'll rebuild the solenoids for the cost of shipping for the lifetime of the component. I run a "mutt" of a kit now....Miscellaneous lines, 10,000RPM Nitrous Systems bottle (they make dune buggy kits...or used to at least), NX Gemini Plate, Dynotune Solenoids, Zex Purge....it all works though.
 

97 king cobra

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ryclef331 said:
I loved my compucar kit. Bought it used for 100 bucks and never had a SINGLE issue out of it. They'll rebuild the solenoids for the cost of shipping for the lifetime of the component. I run a "mutt" of a kit now....Miscellaneous lines, 10,000RPM Nitrous Systems bottle (they make dune buggy kits...or used to at least), NX Gemini Plate, Dynotune Solenoids, Zex Purge....it all works though.

^truth. the question you have to ask is wet or dry... ive seen dry shots work better for lower hp cars(great for a bolt on gt w/o hci swap.) wet kits are typically best for higher hp cars. as far as shot size, a 100 shot is a nice upgrade and very safe with a good tune. (its all in the tune)
 

94 DropTop

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you dont need a tune to run nitrous safley. Just pick up the NOS stage one dry kit. same one i have and you can always grow
 

97 king cobra

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No offense but are u serious?! what size shot/s come in this kit? and how do u suppose you get the air/fuel ratio and timing correct to maximize efficiency, and have the car running correctly?
 

94 DropTop

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Yes im serious. Maybe 2 out of 8 people actually get a tune for nitrous. On a dry system like the NOS 5115 kit and zex they raise you fuel pressure and dwell(time the injector is open) So you get the fuel you need. One a wet system it is already adding the fuel with the nitrous. believe it or not they do alot of engineering on these kits. They dont just say throw this shit on your car and it will go faster
 

Paul

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97 king cobra said:
No offense but are u serious?! what size shot/s come in this kit? and how do u suppose you get the air/fuel ratio and timing correct to maximize efficiency, and have the car running correctly?

People have been running nitrous on fuel injected mustangs LOOOOONG before custom dyno-tuned chips were readily available, myself included. The manufacturers provide factory jetting specs that are safe and can readily be run over and over with no issues provided the operator isn't doing dumb stuff like spraying at part throttle and low RPMs and such.

I had a compucar 175 wet shot on my Lincoln Mark VII back in 1998 and it was EPIC. :hammer:

Paul.
 

1quk50

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im gonna run a zex 125 wet shot on my full bolt on gt...

thats all youll need 2 have some fun.
 

97 king cobra

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Ok well every tuner i know says to have your car tuned ANYTIME you put a nitrous kit on it. And ive seen the aftermath of plenty engines where people just straped on a kit and 3-4 months later, kaboom! A stock engine and its computer components is built just to do that (BE STOCK). obviously are engines can handle alot more power but u cant strap on an extra 100-200 hp and just expect it to take it like a champ... now i already know PAUL that you dont like to have a car tuned for pretty much anything but a full blown race-car. I dont know why your so anti-tune but for the extra $200-$300 its alot cheaper than a new engine... Its always better to be safe than sorry.
 

Paul

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97 king cobra said:
Ok well every tuner i know says to have your car tuned ANYTIME you put a nitrous kit on it.

Tuners are in business to make money. It logically follows that they would recommend a tune with a nitrous kit.

And ive seen the aftermath of plenty engines where people just straped on a kit and 3-4 months later, kaboom!

Lots of people are morons and misuse their nitrous kits. Tune or no tune, if you don't respect it, it will blow up.

A stock engine and its computer components is built just to do that (BE STOCK). obviously are engines can handle alot more power but u cant strap on an extra 100-200 hp and just expect it to take it like a champ...

Um, yes you can. Wet nitrous kits add their own fuel to compensate for the additional oxygen released by the nitrous at combustion temperatures. Jetting the fuel solenoid properly is important.

now i already know PAUL that you dont like to have a car tuned for pretty much anything but a full blown race-car. I dont know why your so anti-tune but for the extra $200-$300 its alot cheaper than a new engine... Its always better to be safe than sorry.

I'm sorry, but where did you get the idea that I don't like to have a car tuned for anything but a racecar? Please find a post where I've said that, or even alluded to that. You're talking to the guy who over-builds EVERYTHING.

A properly jetted nitrous kit on a motor that is in good running condition does not need a dyno tune. If the AFR is kept in check via proper jetting of the nitrous and fuel solenoids, and the kit is used within correct operating parameters, it will be perfectly safe. People have been using nitrous kits for a very long time, and long before EFI tunes were so widely available.

I'm not anti-anything, I'm just simply stating facts.

Paul.
 

94 DropTop

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where are you getting a tune for 300 bucks. the chip alone almost costs that. then like 125 an hour. Try around 600+
 

ryclef331

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YOU DO NOT NEED A CHIP WHEN YOU SPRAY A CAR! You can do ALL your tuning via JET CHANGES and PULLING TIMING. SIMPLE AS THAT. My car is tuned to MAX power and the most timing I can run safely on motor...i did that on the dyno. A month later, I sprayed it. I put a 100 shot to it, made some pulls, checked plugs, changed the fuel jets as required. You do not have to strap a car to the rollers JUST b/c you put a nitrous kit on the car. Just have a way of pulling timing (either manually when you plan on spraying it or via an aftermarket ignition box), supplying supplemental fuel (either by spiking the fuel pressure through a dry kit or spraying it through the nozzle in a wet kit ....both regulated by jet sizes), and (if the shot is big enough) colder plugs. Thats it...its not rocket surgery. Its nitrous. If the car runs great on motor, its going to run greater on nitrous.
 

idro

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And i dunno if this has been said or not but nitrous really isnt forced induction perse. Its charge density if im calling it right.

But ive only had second hand experience with an NX wet kit my friend had on his 02 GT. Was a great system and never had any problems out of it. And my cobra at one point and time has had a wet kit installed on it and i have opened up the motor and everything was fine and looked really clean.

So dont worry about blowing the welds on your intake, they will be fine. And so will your diamond plated floor pan.
 

97 king cobra

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yes i know u dont need a chip to be tuned...thus this is why it only cost $200 approx. and yes if u have the tables of how much timing to pull for x amount of shot size you can safe adjust your timing, but i personally feel that by taking it to a shop, having an expert do it, youll not only know your afr is correct but also will be able to see at what point your making the most hp (as far as afr and timing).

and for the anti-tune thing, in my very first thread 6-7 months ago on here, i had a problem with my car and no one on here had any clue as to what to do besides tear everything apart and replace the plugs, wires, distributor, fuel injectors and so on, you insisted in that route instead of taking my car to a shop and having it checked out on a dyno to see if its pwer was correct, low and behold the timing and afr was way off.... now most completely stock cars dont come with wierd things like that. thus why this was overlooked. and i saved a ton of time and money!!
 

Paul

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Ummm, changing timing and fuel pressure is not what most people in the mustang community nowadays would call a "tune by a professional."

If you're telling me your STOCK car with a STOCK tune was running so bad you needed a chip and a dyno tune, you got ripped off.

Paul.
 

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