Credit goes to these guys from Youtube I found videos of to use audio from that would suit my vehicles.

one Youtube vid's audio from the user "UrbanSurvivalTactics" goes with the Ambulance's truck call.
one Youtube vid's audio from the user "EV West" goes with the Baja Buggy's truck call.
one Youtube vid's audio from the user "4DrBlueDemon" goes with the Blue Demon truck call.
one Youtube vid's audio from the user "VehicleObsession" goes with the Hatchback truck call.
one Youtube vid's audio from the user "CarsCrashCollection" goes with the Hotrod truck call.
one Youtube vid's audio from the user "willie dee" goes with the Low Rider truck call.
one Youtube vid's audio from the user "Free Sound Effects" goes with the Pickup truck call.
one Youtube vid's audio from the user "Best Movie Sounds" goes with the Police Car truck call.
one Youtube vid's audio from the user "Jojikiba" goes with the Ragtop truck call.
one Youtube vid's audio from the user "nsanity2Fevr" goes with the Street Rocket truck call.
one Youtube vid's audio from the user "MasterSoundEffects" goes with the Taxi Cab truck call.
one Youtube vid's audio from the user "Cereal Marshmallows" goes with the Woody Wagon truck call.

Army Armstrong for all the original recordings and the ones I edited made for Car 31, Car 49, Car 89, and Car 222's truck calls.