Ford 300 Crossflow Head

2 ford 300 carbureted heads vs ford efi heads.

Ford 300 crossflow head.

Engine displacements remained 200 and. Aussiespeed ford 4 1 4 barrel manifold for aluminum head xflow motor. If a ford 240 head is installed on a ford 300 the compression ratio will increase by 5. He was looking for an inexpensive cross flow head alternative.

Oem 300 with turbo and cross flow head. In 1976 ford of australia updated the engines with a new cast iron crossflow head design. The motor was built to race in a 1962 falcon with a jerico four speed transmission. The ford 6 cylinder engine has undergone a few transformations over the years and aussiespeed have a range of ford 6 performance parts for many generations of the ford 6 cylinder engine from the early falcon and mustang engine through to the crossflow 6 cylinder falcon and cortina engine the ohc 3 9 and 4 0l ea to au falcon the ba onwards dohc 6 cylinder ford engine and the usa canadian.

The ford 300 has d shaped combustion chambers. For years the 250 2v cylinder head was very popular for racing and many have been imported to north america where owners of cars with the falcon inline six have upgraded their engines with the better cylinder head. The cast iron cylinder head crossflow engine uses the rope rear main seal that is also used in the 200 250 cubic inch engine in the united states of america the australian produced cast iron aluminum cylinder head will not interchange with the ford 240 or 300 cubic inch big six. Pictured below is a ford 250 crossflow alloy head 4 barrel performance manifold made by john cain.

During an interview with a former ford engineer he mentioned that ford had released a few oem 300 s with a cross flow head and factory turbo that produced more horse power than a stock 460. The latest manifold for the ford crossflow 250 engine from aussiespeed it has. While the ford 240 and ford 300 head share the same port and valve sizes the ford 240 head has a smaller 68cc combustion chamber vs 78cc for the ford 300.