is there any diferent betweeen 95-2001 MAF sensor,cause i found out there were two diferent part # on the part,will the 97 up work on the 95-96,will the 4 holes bold directly,i want to buy the pop charger from my friend his a 97 and my is a 96,his do not have a hole for the sensor i seen in the other 96,i believe all i have to do is drill a hole for it corect?