Interchangeable parts on Y-block V8s?

[zuburg]

In reading a bunch of forum entries and other web research, I think I have come to the conclusion that a lot of parts from one Y-block can be used on another one.

Specifically, can someone confirm the following components from a 239 can be used on a 292 or 312?

Valley pan
Intake manifold
exhaust manifolds
valve covers
timing cover
water pump
fuel pump

I believe the distributor from the 239 will not work with the 292.
Anything else that I would need for a rebuilt block that won't move over?

thanks,

 

[Sid]

Most parts are interchangeable.The dist. is not because of the gear tooth count. The intake will not interchange. The 239 and 256 are by themselves. The bolts line up but the ports do not. If doing a 292 you may consider 56/57 rockers as the are the higher ratio rockers. Look for 6564 as the last four digits on the rocker. Hope this helps a little. I would like to add that you should look for a 57 or later dist They will have both centrifugal and vacuum advance.

 

[34pickup]

Also, the exhausts on a 239 might be the kind that cross over the front and dump the exhaust into the passengers side single exhaust pipe. You don't want that even if it fits, get later dual exhaust manifolds.

 

[dmsfrr]

The 239 & some 256 had a flat/slot drive for the dist & oil pump, late 256 and newer used a hex drive.
Fuel pump lever arm may be shorter/different on the 239 & early 256 engines.

Hi-ratio rocker arms have the prefix ECG. http://ford-y-block.com/rockerarm.htm
239 & 256 heads and intake manifolds aren't cast/cut the same as the 272 & newer ones, you'll get vacuum leaks, poor flow, etc. if you mis-match.

The ECZ-A and earlier intake manifolds fit the teapot carburetors.
A '57 ECZ-B intake manifold will fit most all 'modern' carburetors. Holley, Edlebrock, Autolite, etc.

Truck, Full Sized Car and T-Bird exhaust manifolds are not necessarily interchangeable due to under-hood clearance problems (w/ steering parts, etc.)
see.... http://www.y-block.info/casting/exhaust.html
also the '57 and newer exh. manifolds are bigger/better than the '56 & earlier ones.

Timing covers: some differences but mainly 2 types, one has the lower bolt holes extended for a front center motor mount and the other doesn't.

The valley pan will work if it has a road draft tube hole at the back.

Are you seeing which parts to save/use from a 239 to put on a 292 in your '56 Bird?
Save everything, until it's running again. Some of the parts on the 239 (like the oil pan & front motor mount) were already changed to the ones you need, or it wouldn't have been running in the car.
.

 

[TedEaton]

1954 239/256 timing covers use a smaller water pump and different fuel pump than the 1955 and later model Y's. The '55 and up timing covers use a 3/8-16 bolt to attach the fuel pump while the '54 covers use a 5/16-18 bolt to attach the pump. That's the easy way to tell if you're not familiar with the two sizes of water pumps which can be very similar if the two are not sitting next to each other. Ted Eaton.

 

[hoss73ford]

the '54 fuel pumps are inverted (upside down) with the filter bowl on top. 1954 and 1955 trucks have a high fan water pump with the pulley pressed on to the pump. Hard to find, the last 239 I had, I got a later year timing cover.

 

[dmsfrr]

(Yes this thread is a few months old but it's where I thought the comment belonged.)

The water temp sensor bushing at the rear of the driver side head.

'54 thru '56 have an inside size of 3/8th's inch female pipe thread for the sensor.
The '57+ bushing has 1/4" female pipe thread.

'55, '56 and '57+ each use a different sensor & gauge pair with different sensor resistance.
'55 = 6v, '56 = 12v, '57 = 12v but with an inline 5v gauge voltage regulator and, if I was told correctly, reverse(?) sensor/gauge operation.

When swapping engines / heads be sure to have the correct size bushing for the temp sensor that matches the gauge setup in the vehicle.

.v