i did a quick job today before work and i definitely noticed a difference. I didn't think i would, so it surprised me. i seem to have more engine response and the lag from my fly-by-wire is pretty much gone! i grounded the body (just to the right of the battery) and i brought the alternator output(positive) to the positive on the battery. I have yet to find a group of grounds on the engine, but i'll bet pretty much anywhere would work...
i was told that if i ground one of the cylinder head bolts, i'd get a better spark. it makes sense, doesn't it? the plug wires only go one way, the electricity has to go somewhere. that somewhere is across the gap and then to a ground, right?
i used 4 gauge wire and rockford fogsgate terminals(platinum coated). i didn't do a very pretty job on my soldering, but all it really needs to do is hold the wire in place. i crimped the terminals on as tight as i could in my vise beforehand to ensure a good connection and put the wire under other wires so it isn't right in your face when i pop my hood...i might take pics tomorrow.
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