Can anyone decode these engine numbers

[bfrenz]

I know there is someone out there that can decode these two seperate numbers. Someone did it for me last time but I don't remember who. Well heres the two numbers.
Engine 1 6272058
Engine 2 6451163

Thanks
Brian

[cegerer]

I think this is the breakdown:

Engine 1 6272058

6 = 6 cylinder
2 = USA 2.7L
7 = 1977
2058 = production number


Engine 2 6451163

6 = 6 cylinders
4 = USA 2.7L Carrera
5 = 1975
1163 = production number