Amp mounting/grounding question

[96sc]

Any grounding probs with mounting an amp directly to the car's body (through the carpeting)?

I've heard people do it without any issues but then I've also heard it's good to attach it to some non-conductive material i.e. wood, then attach the wood to the body in order to isolate it electrically and have the ground cable be the only connection to the body (ground). Or is this just a try-it-and-see proposition? Thanks

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[johnecon2001 5,000+ posts]

I would put some little rubber washers under it just to help with the rattles that are going to occur when mounting it to a solid surface like that. otherwise, i dont see any other problems.