Join Date: Aug 2000
Location: Tustin,CA 92780
Are you talking about a retractable power antenna mounted near the windshild or the internal antenna inside the windshild? If you have a newer radio you shouldn't need a booster, unless you live in the boonies then nothing's going to help. I've been really suspicious of ignition boxes getting too close to antennas and/or radios. Also, since they boost the spark voltage and some add multi-spark, along with some low resistance plug wires you end up with a swarm of RF interfence in the area. Check your grounds on the antenna and it's sheilded cable. If you have another car that has a good sounding radio, pull it up near your Chevelle while running and see if it causes problems in your other car's radio. I've been in traffic and pull up next to a fairly potent car and have noticed all kinds of hash getting into my radio. I'd check to make sure you have RF supression plug wires and maybe relocate the MSD box futher away from the antenna.
This is looking like a fairly common problem in this group, so I'll try to do some more research and report back to this forum.
Almost original owner of '72 Elky SS - 415cu Motown, Stealth Ram EFI, AFR 210's, Hyd. Roller;
Baer 13" discs front/rear, 17" x45ZR tired "Grocery Getter" - I will get thing painted if it kills me...
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-- also an '87 German Corvair (Carrera Targa - "The Heartbeat of Germany")