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Old 12-01-2004, 08:25 AM   #26
Uncle Scotty
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Quote:
Originally Posted by rallyblues
I'm not trying to be a dlck, it's that I've always wondered what this thing does. I always thought it was the bling... same as those red manifolds
Then don't be a dick.


....and some of those red manifolds don't have any TGV's associated with them and would be a significant performance enhancement over any USDM stock manifold.....so maybe ya got some resesrch to do before you bag on **** that you don't know about.
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Old 12-01-2004, 09:10 AM   #27
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How is it bling if its black?
Mine is blue and you barely notice it.
I dont fall for placebo effect. I have enough experience to know when my car is running better or worse. My car runs better with it. Its all in the locations you attatch it. Strut towers are a waste of time, they are about the worst location you can go to. Its all about getting them close to sensors. The one poster that brought up the throttle body has a point, it is isolated by the gasket/tmic hose, so the sensors on it have limited grounding.
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Old 12-01-2004, 09:34 AM   #28
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He wasn't being a dick.. he was being reasonable.

Placebo effect isn't a trick, tomfoolery, something you 'fall for'.. it's a physiological fact that the way we sense things and react to things changes in regards to our mental state. You cannot be above it.

Now, unless someone has some hard data that proves that an engine runs more smoothly/better with the grounding mod.. it's all just personal justification and some speculation with a helping of internet hearsay.

I appreciate the write-up, and I can see how the grounding mod might help. I am not opposed to doing this. Like rallyblues, I'm just curious to see if there really is any hard evidence.

Sure, it's only $10, but now you've increase the complexity under your hood. You will need to do more work to perform certain maintenance, and you will need to keep more grounds clean. Before spending $10 on wires, eyelets and shrinktubing, I'll be spending $1 on a wire brush to clean my stock contacts with.
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Old 12-01-2004, 10:21 AM   #29
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Dude, when there's a BIG lag in acceleration at 4,500 RPM then all of a sudden there is no lag, it's likely real, not placebo.
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Old 12-01-2004, 10:27 AM   #30
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Quote:
Originally Posted by Beaverboy
, I'll be spending $1 on a wire brush to clean my stock contacts with.
That doesnt apply to brand new cars with clean contacts.
And as for results, grounding kits have been proven on dyno's for years. Just not on our cars.

Open the hood on a honda, a STOCK honda, any of them dating back to the late 80's, you will see little ground wires all over the place, there is one that is super common that goes to the valve cover bolt.
Now regardless of anyones opinion on honda, you cant argue with the fact that they are on the leading edge of automotive technology. Do you REALLY think they would spend the money doing it if it didnt work?
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Old 12-01-2004, 11:42 AM   #31
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Hey, just some help. i think you will need to sell these for under 15 bucks, as its only 10ga wire. most people want at least a 8ga setup (trust me i know) and ebay would be a great place to sell them. search on there, and you will see all kinds of grounding kits for our cars, and only like one, is actually made for our cars
Shane
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Old 12-01-2004, 12:15 PM   #32
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Quote:
Originally Posted by Davenow
I should make a bunch of these up and sell them on ebay
Think anyone would buy them??? It would be a 5 min install if it was premade
seriously. i'd buy one from you.
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Old 12-01-2004, 12:39 PM   #33
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How do you separate the effect on how the engine runs by just disconnecting the neg battery terminal (ECU reset) and then reconnecting it, from how it runs with the grounding mod? I'm assuming install of the grounding mod = ECU reset since you have to disconnect the battery for a while. Just curious, since when I do an ECU reset the car seems to run better, more responsive, more power, etc... not saying the grounding mod doesn't have a positive effect, just wondering if y'all have considered this. Thanks.

I'm thinking about adding grounding wires to my getting older legacy and seeing what happens, but unless I leave the battery connected it'll be hard to tell the real difference.

Steve
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Old 12-01-2004, 12:50 PM   #34
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You don't need to disconnect the battery to do this.
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Old 12-01-2004, 01:51 PM   #35
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Quote:
Originally Posted by JGard
You don't need to disconnect the battery to do this.
Exactly. No disconnecting needed. I didnt disconect the batter when I did it. (didnt want to lose my presets in the radio )
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Old 12-01-2004, 02:01 PM   #36
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Cool... Sorry I didn't read very carefully and I think my brain inserted instructions that weren't there... I always disconnect the neg. terminal any time I do anything electrical on a car, I'm just paranoid I guess. I could always disconnect it when I do this and reconnect at noon... I never listen to the radio and can't remember how to set the clock on my stereo, and it's been an hour fast since Halloween Thanks for the info!

Steve
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Old 12-01-2004, 02:05 PM   #37
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Any guys with STi's that have done the grounding mod? I'm not sure if Davenow has an STi or not. Thanks

BTW, nice thread.



Mika
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Old 12-01-2004, 02:16 PM   #38
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where exactly on the tb does one lay a ground?
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Old 12-01-2004, 02:23 PM   #39
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put it on one of the 4 TB mounting points.
As for a sti install, i have done a few, and it seemed to help a little.
Shane
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Old 12-01-2004, 06:19 PM   #40
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This is pretty cool, I may do this along with debadging next weekend. Wish me luck. Thanks for the writeup, it's very helpful.
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Old 12-01-2004, 06:27 PM   #41
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I think in some cases (although not in theis case since davenow left the battery connected), the changes in the car's behavior are due to the fact that the ECU gets reset when the grounding mod is installed. Most people can feel the difference when the ECU is reset, and may attribute the change to the grounding mod.
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Old 12-01-2004, 07:53 PM   #42
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maybe, but i always tell people to leave it conected so they can fell the difference.
and i dont think most people unhook there battery when doing this mod anyway.
Shane
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Old 12-01-2004, 08:01 PM   #43
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i dont kno if i buy it but apexi has a racing condenser(grounding kit) and say they saw gains of 8 whp.click
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Old 12-01-2004, 08:28 PM   #44
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This helped my WRX a bit, but when Wheels did it to his, the improvement was much greater. I then did it on the Evo, and there was a noticeable improvement.
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Old 12-02-2004, 01:54 AM   #45
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Quote:
Originally Posted by Uncle Scotty
Then don't be a dick.


....and some of those red manifolds don't have any TGV's associated with them and would be a significant performance enhancement over any USDM stock manifold.....so maybe ya got some resesrch to do before you bag on **** that you don't know about.
Now that's being a dick...

some people paint theirs red for bling, just like the brakes, I was talking about the color... and I clearly said that I don't know ***** about what the grounding kits do... b/c I never saw any evidence that it does anything...
It was helpful what Davenow said about the Hondas

saying that the car feels better it's just plain RIDICILOUS
all those kids getting their obnoxiously loud AEM intakes and artilery gun exhausts swear that cars gained muscle, and we all know that's often not the case
CARS buliding is based in science not feelings
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Old 12-02-2004, 12:12 PM   #46
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Whats that thing on top of your washer bottle on the positive lead? If it's what I think it is it won't be to cool when it arc welds itself to the hood.
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Old 12-02-2004, 12:38 PM   #47
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Quote:
Originally Posted by rick-l
Whats that thing on top of your washer bottle on the positive lead? If it's what I think it is it won't be to cool when it arc welds itself to the hood.

It is exactly what you think it is. I know... Its on my to do list


Oh come on, where is your sense of adventure? It might be VERY cool!
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Old 12-02-2004, 02:54 PM   #48
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I had extra grounds to two bolts to the engine. The engine became smoother revving. I couldn't believe it. Then i added an extra ground to the strut thinking it would be even better via some additive thing. Big mistake....it got rough again (Don't know why. maybe it deoptimized things). After removing that strut ground, it became smooth again. Sorry guys, you can't explain this by placebo since I was expecting things to be better with more ground points, but it just didnt materialize.
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Old 12-02-2004, 03:04 PM   #49
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so dont ground strut area?

just all over the enigne?
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Old 12-03-2004, 03:20 AM   #50
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Just did grounding mod today and the throttle response is much better, minimal lag/hesitate when I floor it. I have an 04 WRX auto and everytime I floor it the car just delay/hesitate for at least one full sec before the car moves at all. Maybe something wrong with the stock WRX setup?
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