If you dial your hopup correctly, it will not fly up.
Use heavier weight BB's (.25's atleast, .28 or .3's are your friends) BB Bastard, Madbull, etc.. good quality ones.
Most games welcome new comers all the time, just come with open ears and a willingness to learn everything.
Post up in the game thread asking if anyone has room for +1 in their vehicle.
Usually you can bribe most people with timmies or a bit of gas money.