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Old 06-16-2008, 09:34 PM   #31
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Thanks again for all the info! Yes, the gas mileage is a nice benefit. But then again, the 08' is a different animal being as it's the first year Ford made it fly-by-wire. Simply grounding the throttle body alone makes a noticeable difference on the 08'.
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Old 06-19-2008, 04:38 PM   #32
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I went to an awesome electronics store here and got some cable.
5 ft of 1666 strand black StreetWires 4 gauge cable and 8 ends, enough for 4 wires. I'm going to take measurements soon and install them. My car isnt running yet cuz I am still building it, but I will take some pics and write about it once they are on and it's running!

Also, the wires/connectors were ~$30.
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Old 06-19-2008, 05:18 PM   #33
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ive done the same thing with my car but i did the cheap way and just bought battery cables and regrounded my alternator to the batttery, battery to frame, and engine to frame. all the cables cost me under like 35 bucks...works great i notice a smoother idle but im not sure about mpg
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Old 06-19-2008, 06:34 PM   #34
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do they make one of those kits for an 07 duratec 2.0 sedan auto trans and where can i find one
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Old 06-19-2008, 08:47 PM   #35
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Quote:
Originally Posted by iminhell View Post
Brad, Do me a favor. Go to a run that is about a foot long and measure the resistance in Ohms. Most likely if you test what you have and various other brands they will be fairly close, as in close enough to not register as different on a normal DVOM.
OK so I finally got my trusty Craftsman VM out and read the instructions on how to measure resistance (told you I wasn't an electronics genius)

Here's what I did. Disconnected the new ground cable from main chassis ground location. Measured resistance from main chassis ground (with stock ground cable only in place) to a bolt that a ground wire coming out of the wiring harness is attached to the chassis with. Meter read 1.1

Re-connected new ground cable to main chassis ground. Same measurement points. This time the meter read .5. Did this several times, same results. Also checked several other locations throughout the engine and under the hood in general. Same .5 reading. So I either did it wrong, or the new ground cables would appear to reduce the resistance by 50%.
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Old 06-19-2008, 08:54 PM   #36
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sounds good.
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Old 06-19-2008, 09:02 PM   #37
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Quote:
Originally Posted by TheShocker View Post
do they make one of those kits for an 07 duratec 2.0 sedan auto trans and where can i find one
One thing I have learned from this thread, it is a lot cheaper to make your own cables. Just get good cable, not battery cable from an auto-parts store.

The cable that came in my kit had 1,444 strands of copper per cable. The cable I just received from Oznium.com is 4 ga. power cable with 1,666 strands per cable. I got 10' at $2.70 a ft. They also have some 8 ga. wire at $1.20 a ft., that's what I'll order next time to see what it's like.

Get some copper lugs, and those are probably cheaper at the auto-parts store and some dielectric grease and go to town.

As far as the increased gas mileage is concerned, here's a pic of my info center this evening. This is all in town mileage, zero hi-way or freeway miles. But, before we get all excited I will admit that I've been babying it to get it up that high. No jack rabbit starts, shifting at or before 2.5k, not using the engine to slow down, coasting any place there's a decline or anywhere I see I'm going to have to slow or stop - amazing how fast and far a Focus will coast, and using those upper gears. If it's a flat road I'll be in 5th even at 35 MPH.



But, now that I've got that pic I can go back to scaring the crap out of high school kids in their Honda's.
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Last edited by Lil_RedZX3; 02-14-2009 at 09:37 PM.
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Old 06-19-2008, 10:01 PM   #38
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Okay, I get the change in resistance...50 percent is a great drop. What I don't get is how that increases the power and mileage?? Yes, the signals get around easier, but they are the same signals...it's not a tune, so the curve isnt changing. i just dont get how the grounding increases hp/mpg. can someone explain this to me?
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Old 06-19-2008, 10:07 PM   #39
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Hell I don't know. Here's Sun Automobiles explanation:

"How does it work?

In any electrical system, electric current flows from the positive terminal to the electrical components, and back to the battery through the negative terminal. However, the way that the factory (stock) grounds are set up, the electrons must travel through the steel and/or aluminum components in the car to complete the circuit, which creates much electrical resistance (steel/aluminum are not the best materials for electrical
conductivity). This resistance disturbs the flow of electricity to a degree that electrical components such as the ECU, lights, spark plugs, etc. cannot perform at maximum efficiency. In order to get the highest performance out of any automobile, it is necessary to achieve an efficient flow of electricity with the least resistance along its electrical circuit. By providing a direct ground path using highly conductive 99.99% pure
copper, this electrical resistance is reduced greatly (as much as 10 times!), resulting in an ultra-low resistance ground path. In short, Hyper Ground System affects the electrical system similar to how a high performance intake & exhaust system affects the mechanical system, by scavenging power which would otherwise be lost due to system inefficiencies."
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Old 06-19-2008, 10:28 PM   #40
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Here are the ones I just made myself and installed today:








I used 4ga 1,666 strand StreetWires for these, as well as copper connectors!

Total cost: $29.**

Let me know what ya'll think!
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