[Hesster1977]

Here is an update for anyone that wants to replicate the Antenna used in the movie, and not drill a hole in their roof. Note that 77 Canamman's input in the thread will get you to a excellent permanent mount clone, but I do not want to drill my roof. CB word was useless in providing any info on interfacing the AS IC20-B Hustler Antenna to a Magnet Mount, so I did some research on how this may be achieved.

The "correct" MR276 is not available except maybe E-Bay or a private seller at over $175, and there are other options. CB World says they prob will not be in stock again.

1. Buy a AS K46 replacement coil off EBay, $15 and change.

2. Buy the IC20-B - Hustler 44" Roof/Deck Mount CB Antenna With Spring from CB World. Replace the Black or White Coil with the AS K46 Grey one. $63 or so for this Antenna from CB World, best price out there..

3. For a drilled hole permanent mount, install per provided Antenna directions.

4. For a magnet mount (what I want to do) buy from Amazon this or similar -
"Retevis Magnetic Antenna Mount Base, Mobile Radio Antenna Magnet Mount with 5M Coaxial Cable,PL-259/UHF Female Connector,110mm Diameter Magnetic Base for CB Radio Car Bus Mobile Transceiver(1 Pack)". 17$. Unfortunately, you only need the spring and whip from the IC20-B Antenna, and I think the AS K46 coil screws directly to the Magnetic Base which has the Male SO-239 5/8" connection. Given this, it would be nice to buy JUST the correct MR276 Barrel Spring and Whip, but not sure where to find the exact looking Spring. So this set-up will look close to the real thing, have the correct Gray Coil, but have a removeable black magnetic base.

So all in either $78 for a permanent mount, or less that $100 for a Magnet Mount.

I will probably not even run the cable into the car, just cut it off and cap the cable end so it looks like the cable runs thru the roof.
My Pace 8025 CB and Antenna are non functional props, but look damn close to the period correct items.
I have the 8 track option in my 4sp car that I def I want to keep, so I need to figure out where to mount the CB, on the driver or passenger side, and the mike.