I feel you're missing the main point.... True, it's not about premium wiring, chains or a single voltage regulators...The idea is that we need a fixed reference point in any sensor-based circuitry which is provided by the grounding point.

every grounding point is different on different parts of the vehicle during a given transient state. The entire grounding surface could be at -0.347 Volts or something...but it needs to be consistent across the board especially for inter-dependent circuits . Better grounding wires will obviously provide a more fixed and common reference point amongst all on-board electronics....You can regulate the input voltage but you cannot regulate the ground only make it consistent with a solid grounding interconnect.....whether it would make a difference in our case is when the vehicle is pushed to the limits debatable.

Actually a better battery would help in our case...but then..someone would say that the nissan engineers had already thought of that..

Better engine oil will help our engines...but then..someone would say that Nissan engineers had already thought of that

Whether it would make a difference on the G37 is unsure but from an engineering standpoint it won't harm the system , only improve the overall circuitry IF there was ever a deficiency.

I guess this thread is seeking technical explanations for a grounding kit... saying that a grounding kit has no effect because nissan engineers are flawless is not really an argument imho just an assumption :-)

 

All this technical talk about wires and boobies makes me thirsty.....I need a beer. Now where did I put the next one? Oh yeah, there it is......

 

Shabbo, sorry if it seemed like I was picking on you personally. I just
used your post as a jumping-in point. Facts are there are no
measurable benefits to be had by installing a grounding kit unless a
problem already exists that the kit just happens to correct.
Those are odds for suckers. These threads
are as useless as debating theoretical and real performace increases
in a G that uses 92 octane gas as compared to one that uses 91
octane gas....the difference would be immeasurable and pointless and
if there was a difference in performance, it would most likely be
due to factors other than the gas. But hey, there is at least
one born every day...I just wish I had thought of selling grounding
kits. If you think it's worth your time, you can get all the
parts from Belkin Cable for around $20.

 

too funny ..lol !! I do plan to change the battery though...mine dies if I have the sound running for 20 minutes while I'm waiting for someone to finish drying their hair and putting on makeup... With a fat grounding wire it might even die faster :-)

 

The numbers may be immeasurable. Who's really going to measure the difference and how can that be done without EEs poking holes at the test conditions. It does say something though about the result when almost everyone with AT, has noticed improvement.

You can say it's all in their heads but many would beg to differ, and you won't really know unless you try it yourself. Disputing first hand experience by those that have it with theory that involves many unknown variables is a little difficult.

Based on the user cases, if I had an AT I'd get a grounding kit.
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"Bruin, you are correct that if they (the users) think their cars
are better with the kits then that's all that counts.

I am a realist and believe that it's easy enough to do a replicable
side by side comparison under controlled conditions that can measure
some differences...ie change in shift points, quicker shifts, better mileage
quicker accelleration, higher heater fan speed, windows opening/shutting
quicker, more accurate speedometer....something....Just show me
something other than a change in electrical current voltages that
can be replicated and is truely beneficial in some way.....nothing more
nothing less. Holy Crap.. using different tires and air pressures will
will make a car corner faster, or accellerate faster in a
straight line and I can prove it and replicate it. When someone
can show me something other than a voltage change, I'll be
happy to join the club.

By-the-Way, in all sincerety and no insult intented. Your post
is almost a text book illustration of "the placebo effect" which is
very real to those who want to believe, but I want to see proof of some
benefit......otherwise they may as well be called Marvel Mystery
Wires. Also, would you be interested in "turbocharging" your
car in less than ten minutes, while increasing mileage and power for only $39.95???
How many millions of those things were sold in the US? Get my point?

 

Sorry, but the club is only open to believers.

 

OK, I'll bite...would someone please describe to me exactly what benefits you
believe have occured to your automatic transmission as a result of installing
a grounding kit to your G37. Please, no responses from owners of older G
models that had well documented grounding issues with the transmissions.
Thanks in advance.

 

Mine look pretty under the hood.

 

Haha no insult taken and I agree it does sound like the placebo effect, but you're also assuming that grounding kits are not making any difference, which we don't know. If it indeed makes improvement, it wouldn't be placebo effect. We actually don't really know

I'm also an EE (surprise, surprise) and am a big skeptic when it comes to stuff like this but I guess the gain you could get from it (quicker shifts) is worth a shot for me to invest in a grounding kit, if I had an AT.

There's some good reviews with dyno and test results on the web, if you google for it. But some of those are done rather poorly.

Happy Friday!
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Can someone elaborate on what you mean by a quicker shift? The transmission is still a mechanical box so i'm having a hard time understanding what people mean by that? You'd think that the shift would be bound by the mechanical inertia and not by an electronic signal that get's there in microseconds. Also isn't the transmission is hooked up to the ECU over CAN bus? If so it's all digital communication, where there is no S/N impact, it either can communicate or it can't, the messages don't get there faster or get any cleaner...

Somebody help me out! I've got a big glass of Kool-Aid in my hand and am ready to take a big gulp!

 

the tranny is mechanical. but it is controled by wire. thertefor better gounding equils faster signal to tell the tranny to shift.

 

'Bruin, Agree, and thanks for the info and sorry to anyone if my sense of humor
comes off offensively or as a "hater".

I've looked at some of those dyno posts...you are right that they were done
poorly. It's easier to get the results you want to show when you are
trying to sell something. There are many factors that could
have contributed to, or resulted in those variances other than grounding wires
....including manipulations.....but surely no one would do that would they?
Even if those results are assumed accurate, the gains are statistically minimal.

If People want quicker shifts, why not retune shift points and get verifiable
and larger gains?

I also understand the electircal theorys elaboratly and elequently presented
in these threads. Here a very real electrical theory that is much more direct
and simple...additional grounding will not fix a circut that is not broken...in
theory, additional grounding could also have negative effects on
any circut. That's a fact Jack.

If you want a grounding kit, get one....just make sure it's real pretty. As for me,
I'm going with a "disco ball" for my headliner.

 

i give up.

 

You say that, you may actually mean it, but you'll be back...

Me... I tried, but this thread is like crack to me...