he found second gear , and rawlie delesseps 's volkswagen began to shudder itself into the largely unexplored realms of speed above thirty-five miles an hour.. two calls for sheriff pangborn 1 the first of the two calls which sent alan pangborn back into the heart of the thing came just after three o'clock , while thad was pouring three quarts of sapphire motor oil into rawlie 's thirsty volkswagen at an augusta service station .