Quote Originally Posted by robert55 View Post
well the engine mounts are two bolts, he said it came out of a 72 f250 i mean regardless if it came out of a truck or not i just want it to be a 390 lol if it is. i will check the bore size tonight. the only numbers i could find on the crank were bb and on the rods c4ae no following letters. and measuring the borehow am i going to know which size it is? i mean the tape isnt going to be accurate, how am i going to tell the difference between 4" to 4.050"?do uguys know what the ribbing stands for?
Did you click on the web site I posted? It tells you how to read the codes and what the 2 bolt engine mounts mean as far as the year ID goes.