Originally Posted by seibmoz
I am new to the whole classic restore. I have a 1976 Mercury Cougar XR7, I know it has a 351 but ir it a Windsor or Cleveland?
the 351 windsor is a small block similar to the 302
the 351 clevland was replaced somewhere between 1971-73 with the 351m400 big block
if that didn't help the 351 windsor will have 16 bolts in the intake
and the 351m400 will have 12
car crazy right they where both avaliable