Ground your tailpipe in several places. I grounded mine in four places where
clamps holding it to the vehicle are. Most of my noise went away!
73 and GL
On 30 Jun 2002 at 1:28, Tim Marek wrote:
> I too am having a considerable time elimating Spark Plug noise.
> Local mechanic changed out aging wires with supposedly noise
> suppresion wires and split fire plugs which rendered all radio
> in the vehicle useless. All attempts to get him to return my ROVER
> vehicle to it's previous quiet state have met strong resistance.
> I am now ready to just do it myself and need the info on those
> noise suppresion wires mentioned in earlier posts.
> I have aquired 2 new bands - 222 and 1296, and would really
> like to try them out before Aug UHF contest gets here! Any help
> would be appreciated.
> 73s de Tim - K7XC/R - DM09ol... sk
> ----- Original Message -----
> From: "Rick Robinson" <email@example.com>
> To: "vhf" <firstname.lastname@example.org>
> Cc: "Icom" <Icom@mailman.qth.net>; "50 MHZ" <email@example.com>;
> "PackRats" <firstname.lastname@example.org>; "Rover" <email@example.com>; "VHF
> Contesting" <firstname.lastname@example.org>
> Sent: Saturday, June 29, 2002 4:19 PM
> Subject: [VHFcontesting] 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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