Re: Ignition noise on AM radio

From: jim miller (jmiller@eramp.net)
Date: Tue May 12 1998 - 08:01:15 EDT


Jon Steiger wrote:

> I noticed that when I was driving around without a hood, I
> could hear a ticking on AM radio stations. I'm guessing it is
> ignition noise. There's none when the hood is on though.
>
> I recently got a fiberglass hood, and I'm getting that
> ignition noise; apparently the fiberglass isn't as good
> at blocking it as the metal hood. Would new wires
> (such as MSD SuperConductor 8.5mm) help to eliminate this?
>
> Better wires may help this but you may have to try several brands to
> find one that does best. You are right that the metal hood sheilds the
> ign system from the radio antenna and a fiberglass hood is like no hood
> at all as far as sheilding of radio static goes. A thoughtful
> manifacture of fiberglass hoods should mold a wire mesh into the hood
> and provide a ground strap to connect to the body to help with this
> problem. Have you ever looked at an early Corvette engine and seen the
> metal cover over the distributor and plug wires? That is what it was
> there for. AM radio static surpression.

>



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