[VHFcontesting] Re: Spark Plug Noise on F150

[vhf]

Have you grounded the hood and fenders to the chassis?  This is quick and
easy to do, and often makes a difference.

Lynn
N7CFO/R

----- Original Message -----
From: "Rick Robinson" <k8dxn at charter.net>
To: "vhf" <vhf at w6yx.stanford.edu>
Cc: "Icom" <Icom at mailman.qth.net>; "50 MHZ" <50mhz at mailman.qth.net>;
"PackRats" <packrats at qth.net>; "Rover" <rover at mailman.qth.net>; "VHF
Contesting" <vhfcontesting at contesting.com>
Sent: Saturday, June 29, 2002 4:19 PM
Subject: Spark Plug Noise on F150


> I am having a good bit of spark plug noise come in on my radio and I
> would like to hear from those who have solved or reduced the intensity.
> Here is what I have and what I have done.
> 95 Ford F150 with the 300ci straight six and manual tranny.
> Icom 706MKIIG/with amps for 2&432
> Par omnis for 6,2,&432 and an sgc230 and sgc303 whip bumper mtd.
> LMR 400 cable.
>
> I have cleaned the battery grounds and grounded the tailpipe with strap.
> New Ford OEM plug wires and Autolite platinum plugs.
> Better quality (copper inserts) cap and rotor button.
> New radio suppression condensor at coil.
>
> The plug noise is only present when the ant. is connected.
> HF is worse than V/UHF.
> Opening or closing the hood makes little or no difference.
>
> I would like to stop the noise at the source which essentially is the
> plugs and/or the wires.
> I would mainly like to hear from those with the same type vehicle or
> motor who have
> addressed this problem before.
> Spark plug testimonials.
> Plug wire testimonials, Yes I have heard of Magnacor wires but have they
> really worked on this
> motor? And with what plugs? A lot of money to experiment with on
> wires($100).
> Contrary to most beliefs the noise blanker in my 706 works well on my
> spark plug noise
> on most all bands, but I want the noise out before the blanker.
>
> I welcome all advice and comments and I think this will be a good thread
> for all of us
> to learn something from our collective experiences.
>
> Many thanks to all, 73 and see you on the radio.  Rick  K8DXN
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