The Ford V-8 Engine Workshop
Y-Block
239, 272, 292, 312

1956 Thunderbird 312
1956 Thunderbird 312
Y-Block
Bore Stroke
  3.11" 3.30" 3.44"
3.50" 239    
3.63"   272  
3.75"   292  
3.80"     312

Factory bore/stroke combinations are shown in bold

Major specs available now.

292 engine in car
1954 Y-block drawings
left, 1954 239 Mercury -- right, 1954 239 Ford

Description of cylinder head features coming soon. Really.

1957 312 4-bbl Cylinder Head
Casting number ECZ-6090-C

312 cylinder head intake face

312 cylinder head exhaust face

312 cylinder head combustion chambers


1957 312 4-bbl Intake Manifold
Casting number ECZ-9425-B

312 4-bbl intake manifold


1957 312 4-bbl Piston and Connecting Rod Assembly

312 piston and rod assembly
The Y-block piston is flat topped. The piston pin is a sliding fit in both the piston and the connecting rod, secured by snap rings. The connecting rod features 3/8" bolts.
Modified: