Grounding

[ReVeNgE]

ok.. cause i just got an 8G cable from a friend... so... no pos. from the alternator... and ground each point seperately... cool... from what ive read here, im going to ground the neg. battery terminal, transmission and valve cover bolt. is there any other "critical" places i should ground ?

[suzukirallyready]

positive to altenator is more for sub,stereo, possibly UD pulley applications, it wont really help as far as performance goes.

[CARMAN3756]

So after reading the post about grounding kits i decided to do it myself, I figured i would add a little hard data to the discussion. To see what difference it all really made i pulled out my trusty multimeter and started measuring the resistance between all the parts that everyone is saying to ground. as a general statement from the battery negative to just about any part of the engine bay (even the bolt to the right of the battery where suzuki put there grounding strap) was between 1.5 and 3 ohms (ohm = measure of electrical resistance)

I started by going from the negative terminal to the bolt to the right of the battery than from the bolt to a screw that holds the computer to the firewall than to one of the small bolts on the back of the throttle body. The throttle body bolt i used was directly under the section where the lines for the TB warming tubes run (To use this bolt you will have to have the TB bypass).

Just after running these wires i pulled out the multi meter again and started to poke around in the same places I tested before and no one will guess what came up, .5 to .9 ohms. So just going off of resistance alone a grounding kit makes the electrical system twice as good as from the factory, but there is so much more that effects the system but this shows grounding kits arent just a ton of bull s#!t but the really do make a difference

[Rafael]

Nice find!
Another good place to ground is from the battery to the bottom of the intake mani.

[Zipper]

Good solid info. Mmmmmmm, Ohms

[CARMAN3756]

Ohm's law - Wikipedia, the free encyclopedia
Theres the wikipedia link if you want to see what ohms are.

ohms is basically the name given to the measurement of resistance in an electrical circuit. The big things that effect resistance is wire size and type, temperature and wire length. Knowing this you should choose the best wire you are willing to spend the money on, no less than a 6gauge wire, and run the wire as short of a distance as possible, the whole temperature thing we dont get to choose, the engine bay is going to be hot no matter what.

By the way i didnt run as short as wire as possible i choose looks over functionality and routed my wires up the side of the engine gay and across the firewall, so i guess that makes me a hypocrite (say one thing do another), but thats life.

[Zipper]

SOme times form has to come in. Length shouldn't be a huge problem. In a theoretical model, you don't even count loss over wire. Its not a huge difference. What you want though, is a good solid metal on metal connection. No paint, grease, or corotion in the way. Thats the biggest problem you will have

[azzo540]

you won't any current,in the short distance of a car body

[sonnyt26]

Hi everyone,

I've also added some grounding wires few months ago as well, and I did notice some minor improvement, so I am quite pleased. Recently, however, two of my friends have given me two sets of Grounding Wire kits, which I do not need nor will use since I've already have my own installed.

I know some members on this forum have created their very own groundings wires, but if there is anyone interested in pre-made Grounding wires kit, please PM me. I am thinking of selling them for $25 each. Here are the information about each kit below:

NRG Innovation Grounding Wire Kit:
Color Wire is blue

NRG Innovations



SCO Heavy Duty Grounding Wire Kit:
Color Wire is Black

SCO Heavy Duty Grounding Wire Kit [Part#: LIN-BLK]


If you would more information, or even pictures of the products, please PM me.


Thanks,
Sonny

[pyaaw!]

Here is what i did. I have an optima red top battery. so to start it has more CCA's(cold cranking amps). I used 2G wire. I ran one from the positive of the battery to the positive of the alternator. I have only grounded my battery better. i did not feel like grounding everything else. since i went with 2G wire the stud/nut on the fender was not long enough so i moved the relay for the headlights from its spot on the frame rail to the battery tray mount, and sanded off the paint where the relay was and bolted up the 2G wire. have had no problems with either so far.