the cars would be old mustangs or gran torinos or gtos , or secondhand bmws or mercedes in germany , or strange toyota crowns or datsuns in the far east , and the beer would be different brands and different strengths , and the loans would be in different currencies , and the guns would be chambered for different loads in different calibers , and the used stereo equipment would operate on different voltages , but other than that the give and take was exactly the same everywhere .