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I am hearing rants about they hyper ground wires. How does it work. I know its a new cable the shorten the distance from the wave traveling "I think," but where do u put it and how does it work bsds that. I know that its cheap and it produces little hp/torque/fuel efficient/ but can anyone tell me a little more.
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It's just replacement and/or added ground wires for your existing stock engine bay grounds.
If you put this in a car straight off the showroom floor I doubt you'll see much difference at all as the car should have adequate, clean grounds...but the wires would hold up better than OEM. On a car with some age, or power accessories that might drain a little from the system, you might notice a bit of difference, but more in the area of 'restoring to factory performance'. It's not really a "bigger/better wire = keeps getting better" kind of thing.
You can do this job with your own wire, grease, and distribution block, etc. Just find ground points in your engine bay, sand the paint off, add some grease, and reground with existing or new wire. Some cars dont have the ground points cleaned from the factory, ie there's still paint that should be sanded off, but really, that shouldn't make a whole lot of difference.
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04 Mazda 3s
5-spd, titanium grey
sport pkg, xenon & tpms pkg, abs & sab pkg, navigation
I did it to my WRX wagon and it does help in terms of engine smoothness and response.
But!!! The WRX grounds come from the factory in poor condition to begin with. Most are still painted and some items are not grounded at all.
So, if or how much it helps depends much on the car itself to begin with and how much RF shielding the under-hood electronics have.
If you do it yourself, and don't be a fool and buy those insanely priced kits, it will cost you $20 and 1 hour of time. So, it's not a risky mod. Just need to find a Radio Shack.
I don't know much about dyno's and I'm curious about their tolerances/accuracy. If you were to do multiple readings on the same car within 60 minutes cool down between tests, what would they look like? Perfect match or something like those above?
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1999 Integra SE
Titanium 6spd GT w/moon roof
Originally posted by mac I don't know much about dyno's and I'm curious about their tolerances/accuracy. If you were to do multiple readings on the same car within 60 minutes cool down between tests, what would they look like? Perfect match or something like those above?
I wouldn't expect a perfect match but I wouldn't expect a 15+ hp difference either.
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I'm back home at La Isla Del Encanto Puerto Rico!!
I wouldn't expect a perfect match but I wouldn't expect a 15+ hp difference either.
certainly. in a high performance application such as that (tuned to +300hp), there is no aspect of the car which cannot be brought up to spec, meaning big "gains" from reworking deficient systems.
the 2.1 horsepower gain on the S2000 could actually be attributed to error if it was a one-off... there would have to be a stronger corellation, and that means a lot more data (for one).
Considering the accuracy of rolling dynos, 2.1 peak isn't too indicative.
Don't forget, as some cars get older, grounding is an issue. The FC RX7 is a good example of a car commonly needing extra grounding. Not every car will benefit, but some will.
---jps
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"The truth is faster than fiction."
Has anyone installed and noticed a difference with grounding wires in their RX8? They seem fairly controversial as far is if they work or not, some people say yes they do and have noticed results some say its impossible for them to help.
Has anyone made a DIY grounding wire kit for the RX8? What ground points do you use?
If you wanted to get adventurous, you could try to locate the ground points yourself under the hood. Just look for things like single black/negative wire ends screwed down on metal brackets, etc.
I would think any improvements would be if the grounding points were not adequate to begin with, ie paint was not sanded off the area, the connection isn't tight, etc. I think WRX owners found some of the stock grounds still painted, and see an improvement right out of the box.
I would think most new cars wouldn't see any improvement from redoing the grounds. More older cars perhaps, whose grounding points and/or wires have worn over time.
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04 Mazda 3s
5-spd, titanium grey
sport pkg, xenon & tpms pkg, abs & sab pkg, navigation
In our experience with our other project cars we've found about a 5h/p increace over stock with the grounding wires. The reason they work is very similar to the reason you use larger or heavier gauge wires on stereo systems. The heavier gauge allows a better electirical current to flow. Better electrical current reduces the amount of electric noise that the ECU must decipher. The easier the ECU has it, the more efficient it becomes. The direct result we've found on other cars besides the increase in h/p is smoother acceleration, power accessories run better and a slight increase in MPG due to the cleaner more efficient spark generated.
I asked the guy from Acosta Racing with the 3 rotor at 7 Stock 6. He said that grounding wires were a must in RX-7s but felt that the ones in the RX-8 were more than adequate. He said there was no way that this would yield 5 hp, couldn't hurt though.
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Sep03 RX-8 GT vin 108802 140+k s-eat'n grins! miles a/o Sep'12 - Excellent driving car [Only tracked now, since Prius dd in Nov06.] MPG 19.5 avg, 26.2 max hi-way (best tank Pikes Peak to LA), 13.8 low short trips - "R" ECU Minor issues: 1) No 24 MPG 2) A/C leak repair helped cabin cooling 3) No 250 HP (yet) Past RX-7s: '88S/280K (fuel leak engine fire), '87GS/220K (overheat), '86GXL2x2/310k (bro. bogged motor) , '84GSL-SE/250K (wrecked)
Hyper Ground Wires
s-eat'n grins! miles a/o Sep'12 - Excellent driving car [Only tracked now, since Prius dd in Nov06.] MPG 19.5 avg, 26.2 max hi-way (best tank Pikes Peak to LA), 13.8 low short trips - "R" ECU Minor issues: 1) No 24 MPG 
2) A/C leak repair helped cabin cooling 3) No 250 HP (yet) Past RX-7s: '88S/280K (fuel leak engine fire), '87GS/220K (overheat), '86GXL2x2/310k (bro. bogged motor) , '84GSL-SE/250K (wrecked)
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