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Originally posted by TeCKis300
On the contrary, grouding kits have be PROVEN to improve electrical stability and noise and hence, allow the many onboard electronics to perform better. Like all things OEM, manufactures specify adequate components. These all can be improved upon.
Which is why NISMO, a factory backed tuner sells kits for G35 and 350Z. There was a magazine back 2 years ago that showed tangible HP gains from 2 - 7hp depending on different cars.
Think about this...People install large audio systems in cars. They go so far to add a cap and 0 gauge power wire. But of course, they never bother to improve the standard 4 gauge ground that goes back to the battery.....
In microelectronics, it is almost always true that by improving the ground, you improve the rise and fall time of trasistors and their slew rates. Same can said when scaled to larger applications. By allowing sensors to reference a true clean ground, digital and analog communications between sensors and systems can do a more accurate job. Injectors and ignition systems can fired and controlled more steadily and accurately.
True, you will not see a HUGE difference...but in many applications, there is a tangible improvement in idle, throttle response, and even shift quality of electronically controlled transmission.
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In many applications, there is a tangible improvement in idle, throttle response, and even shift quality of electronically controlled transmission? Where are you getting this information? How does one measure these parameters?
My Subaru Impreza runs a bit erratically at times, as do many, and the tuner dweebs on the I-club board couldn't stop talking about how the OEM grounding was insufficient. Beefing up the grounding system supposedly improved overall engine performance. I decided to give it a try and guess what... nothing changed. There is a huge psychological component to all these neato cheeseball mods. People will swear up and down that doing X, adding Y, or changing Z does all kinds of amazing things.
So, tell me where I can put my scope or DMM to measure all this stray voltage on my 4Runner's ground wires. There are specific ground points that the hyper ground kit connects, which of these has this harmful voltage drop?