I used a mag mount antenna on the right front fender and brought the
coax under the hood and then through the firewall into the cab. The
hood had enough gap to allow the coax in without kinking or mashing. I
secured everything under the hood with cable ties. I used a 1/4 wave (I
think) about three feet high. And I have used one of the very short
antennas, about 19 inches high with very good results. Comet, Diamond
and Hustler all make good antennas.

Good luck, jimbo