yeah they just happened to have a 01 mazda motor layin aroud. Everyone knows how common mazda swaps are. If it was a gsr motor different story maybe i would believe you. As i said earlier " gonna post the bill doesn't cut it" you should be posting the bill at the same time as you put up the pic and claim that they are the work of the shop n question. 5500 for that amount of work is fair its n