I made the mistake of getting some S12W calipers off a toyota and was confused into thinking they would fit onto the stock S30s. I recently found out that they will not fit without Z31 vented brakes? Is there anyways to fit them onto my 77 280z while still having 4 lugs at all? Could I get the vented front rotors off of a 280zx or maybe even an AE86? Anybody have info on this? Ive tried searching around a few sites (hybrid, here, some other places) Thank you