221, 260, 289, 302

The 221, 260, 289 were originally designed for the Fairlane and produced only in the Cleveland engine plant from 1962-1965. The 1964 289 casting number for all 289s was C4OE-6015-C (later an F suffix). In 1965, this number was changed to C5AE-6015-E for the 289 2V, 4V and Hi-Po (note the change to full size Ford designation and 6 bolt bell housings).

In mid-year 1966 the Windsor plant also began producing 289s. The casting numbers for these were (C6AE-6015-C with a '289' and 'WF' in the lifter valley. In 1967 both Cleveland and Windsor produced 289s using earlier year casting numbers but with updated date codes. These two blocks were interchangeable, but there were probably some minor differences. Near the end of the 1967 production run, Cleveland ran out of 289 blocks and substituted their new 302 block, C8-OE-6015-A and marked with 302 in the lifter valleys. This block wasn't intended to see action until 1968.

Note these 302 casting numbers returned to the intermediate size Ford or Fairlane lineage. Hence, a late model 289 coming from the Cleveland plant might have a 302 block with 289 innards. The Windsor plant had an abundance of 289 blocks for 1967. In 1968 Cleveland only made 302s, while Windsor continued with the 289s. It appears Windsor also tooled up for 302s but the plug was pulled before they got to make any.

They did however, design and produce a 302 block that was used on 289s after the stock of 289 blocks was depleted. The number was C8AE-6015-B with 302 marking in the lifter valley. At the very end of the model year some additional 289 blocks must have been discovered as the older C6AE-6015-C blocks appeared again. In 1969 Cleveland continued with 302 production. Windsor dropped 289 production and took up the 351. In 1970 Cleveland came out with its newly designed 351.

In short:
C8AE-6015-B is a 302 block from the Windsor plant that was used in 1968 on a 289.

C8OE-6015-A is a 302 block from Cleveland from a 1967 289 or a 1968 or later 302 (check date code).

There is no code stamped on the block itself that can be used to identify the cubic inch displacement of the block. Casting numbers can be helpful, but some blocks used several different casting numbers, and in some cases, one casting is not interchangeable with the other. Engines are identified by a tag attached to the engine. This tag is used on all late 1964-1970 models and located under the coil attaching bolt. On the tag is the displacement, assembly plant, model year, change level, engine code (useful in identifying high performance engines) and date of production. This tag is easily lost or replaced with a fake tag, so don't rely solely on the tag for identification.

Cylinder Heads

Casting numbers for cylinder heads may change from year to year. For example, the code may be cast as C6ZZ-A in 1966 and C8ZZ-A in 1968 even though they are the same cylinder head. Special heads are required with emission controls from 1965-1966 for the emission system to operate properly.

Beginning in 1967, all heads have provisions for emission control systems. Casting numbers are usually the same or nearly the same as the part number. Cylinder heads cast with a '5' as the second digit were most likely installed in a 1966 model.

Pictures courtesy of Cruce Motor Rebuilding

302 V-8 Block

The casting number is located where the starter bolts up to the bell housing.

Removal of the starter is necessary to see the number

390FE V-8 Big Block

The casting number is located where the starter bolts up to the bell housing.

Numbers can be horizontal or vertical.

In some cases, they are not there at all!

1965 model 289 Head

Head casting number is under the cylinder head.
It must be removed to see it.

1965 model 289 Head Buds brp keygen download.

Date code location is under the valve cover.

CLICK HERE to see a complete listing of Series Codes.

SOURCE: 1973-1979 Ford Truck Master
Parts Catalog - Oct. 1979

SOURCE: 1973-1979 Ford Truck Master Parts Catalog - Oct. 1979

Due to varying production volumes, the exact serial number with which a change becomes effective cannot be determined. When selecting part numbers referenced to serial numbers, the catalog specifications should be used as an aid in selecting the proper part number.

Color Code - Exterior Paint
The code under 'Color' indicates the exterior paint of the vehicle.

CLICK HERE to view the U.S. and Canadian exterior paint usage codes with Ford part numbers.

CLICK HERE to view the complete listing of model codes.

80 - Platform
83 - Flareside pickup box
86 - Platform and Rack
99 - Styleside pickup box

FOR

FORD

INTERNAL

CONTROL

ONLY

SOURCE: 1973-1979 Ford Truck Master Parts Catalog - Oct. 1979

Axle Code
The first two digits of the axle code identify the ratio and capacity of the rear axle.
The third digit of the axle code identifies the ratio and/or capacity of the front axle, if applicable.

CLICK HERE to see a complete listing of rear axle codes
CLICK HERE to see a complete listing of front axle codes

District Code
The code shown identifies the district which ordered the unit.

If the vehicle is built on a D.S.O (Domestic Special Order), F.S.O. (Foreign Special Order) or L.S.O. (Limited Production Option), the complete order (invoice) number will also be shown after the District Code Number.