http://www.nology.com/hot.html

I just heard about these and was wondering...

1. are they worth it?
2. Is anyone running these and if so, have you dyno'd your car with them to see if there is an hp gain?

-Chrismcagle

P.S. I also liked NOLOGY's PDA Dyno kit, but...

"The PDA-Dyno does NOT work on following vehicles, which have OBD systems that follow the CAN protocol. All cars listed are model year 2003.

Ford - 6.0L A/T F250 & 6.0L A/T F350 diesel, 6.0L A/T Excursion diesel, 3.0L A/T Lincoln LS, 3.9L A/T Lincoln LS, 3.9L Thunderbird, 2.3L A/T Focus, 2.3L M/T Focus
Saturn - ION
Mazda - 6 (both 2.3L and 3.0L)
Nissan - 350Z <----------------------------------------------
Saab - 9-3 sedan (2.0L in 175 hp and 210 hp)"

-Chrismcagle

 

My 350 doesn't have spark plug wires. Does yours?

 

Well... I don't know. I admit that I know extremely little about the 350Z engine but I just assumed that it would have to have spark plug wires if it had spark plugs. It does have spark plugs, right?

-Chrismcagle

 

Plugs but no wires. It is a direct ignition system.

Jeff

 

Well, if there are plugs, how can there not be wires? I'm not asking because I doubt you, just because I don't know how a direct ignition system works.

-Chrismcagle

 

First of all the Z has a direct ignition (no wires). It is understandable that some people might not have heard about this style of ignition. This is a fairly modern style of ignition usually found on higher end cars and performance cars. However, this type of ignition is trickling down to more and more cars since it creates a better spark and is more reliable than having high voltage wires under the hood.

Here is a good article in "coil on plug" ignition systems.
http://members.aol.com/carleyware/library/copign.htm

That said, the nology wires are quackery much like splitfire plugs. (On the durango forum and the vulcan forum they are frequently referred to as ShitFires.)

Some people do "feel a difference" with nology wires but that is a combination of placebo effect and/or "replacing tired old wires with brand news ones". They don't make the kind of power you can actually measure on a dyno. Some people "feel a difference" with a gas line magnet installed. <sigh>

The nology wire people have a slick demo. (like a laser beam on car wax sort of slick). They show a large spark gap in open air with a normal wire and a nology wire. The nology LOOKS hotter. The flaw is that open air is NOT the same as a compressed fuel/air mix and a large spark gap is not the same as a plug's small gap. Save your money for a gas line magnet instead

The secret is that the nology ground shield creates capacitance on the wire. Than can change the shape of the spark pulse for sure, but if it helped power or mileage parts makers would add cheap capacitance to ALL wires (or plugs, or caps or something) to do this.

In the future I expect most cars will have direct ignition or a combination direct injection/injection unit.

 

Thank you for that information, AndyB!