Quote:
Originally Posted by roastbeef
Are the exhaust grounds that critical? I always thought they were to get rid of static or something.
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Being into ham radio helps to know that grounds are important to electricity and electrical interferences to electronics. These are two different requirements. The electricity that starts your car "travels" in the metal, electricity that creates electrical interferences travels on the surface of metal.
Someone already said so. Grounding is important, but not all groundings are the same.
When prepping a car for ham radio one of the first thing you do is grounding the exhaust in few places and also the hood.
For electrical interferences you use flat copper mash type strap. For grounding the starter type you use a thick copper style strap.