oooooo ... I guess I asked one too many questions! LOL ... You have given me all the information I need to get on this project. The last question was just theoretical and could have been used for any year. I guess my engineering background caught up with me. Too damn nit-picky! LOL !! Hope I haven't ticked ya off too bad. I may have a problem in the future and I won't be able to ask.

Thanks again

Don

 

Casting numbers cannot be translated to actual Ford part numbers.

While the casting numbers may change, that doesn't mean the actual Ford part numbers change, too.

Examples:

1968/76: C8TZ-6009-G = 360 Short Block ~ The same 1968 part number was used regardless of the casting number.

1968/76: C8TZ-6009-H = 390 Short Block ~ The same 1968 part number was used regardless of the casting number.

The 360/390 heads are identical, and are the same part number 1968 thru 1972, regardless of what the casting number is.

The 1968/72 360/390 heads were also used as service part replacements for the 1965/67 352 heads. These same heads were also used on 352/390 passenger cars thru 1971.

'73/74 & 1975/76 heads have different part numbers because they are drilled for smog manifolds, there may be other changes, I dunno.

In 1975, Ford replaced the original 1973 cylinder head part number used in 1973/74 to the 1975 part number for use as service part replacements.

There are actually two different heads used 1975/76 = CA sold vehicles used different cyl heads, than the other 49 states did.

The 2V intake manifold is the same part number 1968/74. 1975/76 has a different part number, parts catalog doesn't say why.

The 4V intake manifold is the same part number 1974/76. Prior to 1974, F100/350's didn't offer a 4V carb.

The same intake manifold gasket set (2 or 4V, car & truck) was used from 1963 thru 1976: C3AZ-9433-G.

Now take into account that 30 + years have gone by, so there's no telling what has been swapped around by the myriad owners one truck may have had.

Any Ford partsman from the "old days' will tell you that Ford updated 1000's of part numbers a year. Trying to keep track of all those part number changes, was a parts bin rebuilders nightmare!

Everything has to go into a certain part number sequence, so when a number is updated, all the parts in the bin have to moved around. DON'T ASK!!

 

ND -- Thanks very much for the great info. That's exactly the stuff I was curious about.

Jowilker -- I now see why you were calling the 68/72 the best flowing heads of the FE engines. They were made during the HP wars and just before the Smog crap hit.

Thanks again guys!

Don