Hello, I had problems with the cylinder cover of a Peugeot 504 Model 87, which the mechanic did not find another to replace it, finally told me that I found one and the change but the car requisite reaching the 90 ° (with the summer heats I do not know how much it could arrive), the mechanic in question told me that it had been very low because it was not indicated. My question is that if a lid of a 78 -model model for an 87 model since the latter is in many better general conditions than the previous one.