earthing....some new tuners mod in japan

hi guys, im kinda skeptical about this, but its worth a try...

its becoming extremely popular amoung tuners in japan..earthing (ground) the top headmount screws on the motor to the - (minus) on the battery. you guys hear about this? im hearing that most people who have done this no brainer no $ mod that they have felt increases in mid-throttle around the lower to mid rpm range. its not for wot condition increase.

again, im pretty skeptical about it myself, but worth a try. gonna get me some 8-10awg wires over the weekend and give it a shot.



out

Please let us know of any progress, positive or negative. Cheers

where did you read this at?

Originally posted by P11GT
where did you read this at?

Monkey Times Daily I think.

Never trust anyone wearing a white jacket with sleeves that tie in the back. ;)

check out j- magazines. its in there! ....if you can read them.. even my cousin (teg TypeR) in japan tried it out and said he felt increases...but then again, who knows. I'll try it out on the G later on today if I got some time. need to put in my PIAAs first. :D

just thinking, would it not effect the ecu in any way? main reason being that theres alsorts of sensors around the engine, will it not effect the readings that they produce?

one other thing? the engine is normally earthed anyway, isnt it?

Post up some pics when youve done it, so we get the location of the top mount. Thanks

Originally posted by P11GT
just thinking, would it not effect the ecu in any way? main reason being that theres alsorts of sensors around the engine, will it not effect the readings that they produce?

one other thing? the engine is normally earthed anyway, isnt it?

You are quite correct on all counts. The engine is grounded, or earthed, in at least 3 places, although none are direct to the battery negative terminal.

The ECU is very sensitive to changes in some sensors. Most particularly, the early SR20DE models were quite sensitive to the ground of the MAF. So sensitive that less than 10mv (yes, that's milivolts) can materially affect idle, throttle response, and even hp.

The only possible thing I could see it doing is maybe providing a more powerful spark. But, the SR20 ignition system is so stout, I have huge doubts even this would be affected.

I'm almost 100% sure that the engine in my car is earthed directly to the battery... from the factory, of course

Originally posted by ales
I'm almost 100% sure that the engine in my car is earthed directly to the battery... from the factory, of course

Doggonit, you're right. I forgot. There is a ground/earth strap that goes from the negative terminal to the chassis, to the thermostat housing. Thanks. You're exactly right.

I've seen this "tuner"mod on lots of japanese homepages...

*now, where's that url???*

ok this is very weird sounds bogus to me . but i was thinking maybe the ground at the thermostat hoseing isnt enough? maybe a ground wire at each headbolt would provide a shorter path to ground thus less resistance and beatter spark due to a beatter ground ?plus alumium doesnt conduct as well as copper so the less it has to travel thru the head maybe the beatter ? at any rate i dont see anyone feeling the diffrence, the hp gain would be low .im just gonna keep saveing up for that f-max kit ....

mike
1996 g20

I personally think a little Eye of Newt would do just as much for performance.

:jump:

i dont know dudes, I tried it with a 8awg I had... havent driven it yet, but I did compare with and without it on idle. basically it seems like the motor is well grounded already. might be a honda thing...not sure. I used shortest path to the ground. if I feel anything tomorrow during my commute, will let you know.

here's the url if you can read it. this is one of many.

http://www.ba.wakwak.com/~takec/kodawari/6PRELUDE/earthing/

I can hardly wait for your reply to this one Ken :p :p :p

hunnnnnnnnnnnnnnnnnnnnnnnn...mmmmmmmmmmmmmmmmmm... .......nrrrrrrrrrrrrrrrrr..... maybe. my butt dyno couldn't really tell the difference. maybe, but I usually have the ac on, but this morning it was pretty cold so had it off....so can't really compare apples to apples... i'll see how it goes on the way home.

primeraman contiues to hold on.... hehehe. :D

Originally posted by kenchan


primeraman contiues to hold on.... hehehe. :D

JUST AS WELL YOU DIDN'T ASK FOR ME TO HOLD MY BREATH :p :p

I've never heard of this to now...
??????...intresting:confused: :confused:

primeraman- ehehehe! nnnnn, tried the G with the AC on about an hour ago since I had to head out of the office. hummmmmmm.....!!!

my butt dyno couldn't really tell. *maybe* the accelerator might've felt like it was slightly lighter (more reponsive), but hummmmm....

When do i get to say..."i told you sooooo" :finger: :finger: ..j/k :D :D

At least you had the balls to give it a go.

Originally posted by primera man
When do i get to say..."i told you sooooo" :finger: :finger: ..j/k :D :D


I think you should try the Eye of Newt. ;)

Originally posted by primera man
At least you had the balls to give it a go.

Yep. Now we can make fun of you. :hehehe:

Nah, I'm just kidding dude. Primera Man is right. No downside and probably cost less than a buck. No biggie!

yah, I always try it myself before making fun of something... never know until you put basile into the tomato sauce to make it into a kick ass spagetti sauce.

Originally posted by kenchan
yah, I always try it myself before making fun of something... never know until you put basile into the tomato sauce to make it into a kick ass spagetti sauce.

Yep.

Who'd ever think a peanut butter and bacon sandwich would taste good?

It does. :D

Somebody must have come up with that combination in a drunken bet.

:jump:

My Favorite...yum :D :D

So what well you do next Ken ????...lol (Or shouldn't we ask !!) :p :p

Going to leave them on now or take them all off ?

hahaha, primeraman, I'm just gonna leave it there just for kicks. i used a red 8awg, so it looks pretty impressive (?! the hell?)

next up is.... my APEXI VAFC installation going on tonight! :D
iz gonna go into my 98 prelude. waz gonna do it last night, but I kept falling asleep on page1 of the instructions as I was laying on the lude's floor looking to take out the ecu, so decided to hold off. hehehe. too much stuff going on at work the last couple of weeks drainging out my power. :p

next up for G20.... NOS or ZEX 40-60shot nitrous. now daz gonna be some fun! :D

Dosn't honda motors come grounded some what like that? From a valve cover bolt to the frame? I think im gonna let you guys try it out 1st b/f I go spendin money.

Originally posted by kenchan

next up for G20.... NOS or ZEX 40-60shot nitrous. now daz gonna be some fun! :D

Now that my friend....is something i will watch and read with interest :) :)

i originally found the article in a honda-related mag..then my cousin mentioned it and after a while, a lot of articles on this 'earthing' biz.

after I install the vafc, I might give it a shot on my lude. better yet, I should try it on the civic. it can use all the hp it can put out. :rolleyes: