FACTORY FORD 6 crossflow ENGINE SPECS
3.3 Ford 200ci,3.3l aluminum head LEADED FUEL
Bore 93mm
stroke 80mm
power 90kw @ 4100
Torque 316nm @2300 rpm
overhead valve push rod
2 Valves per cylinder
Comp ratio 9.15 to 1
3.3 Ford 200ci,3.3l aluminum head UNLEADED FUEL
Bore 93mm
stroke 80mm
power 88kw @ 4000
Torque 235 nm @2200 rpm
overhead valve push rod
2 Valves per cylinder
Comp ratio 8.6 to 1
4.1 Ford 250ci, aluminum head LEADED FUEL
Bore 93mm
stroke 99mm
power 103KW @ 3750 rpm
Torque 240nm @2400 rpm
overhead valve push rod
2 Valves per cylinder
Comp ratio 9.35 to 1
2B weber carb
4.1 Ford 250ci, aluminum head UNLEADED FUEL
Bore 93mm
stroke 99mm
power 97.5 kw @ 3600
Torque 316nm @2400 rpm
overhead valve push rod
2 Valves per cylinder
Comp ratio 8.77 to 1
2B weber carb
AussieSpeed have made some very big improvements when it comes to improving the performance of the Xflow falcon. Jorgos Ford Cortina is the Australian number 1 outlaw saloon car champion in Queensland & is running the AS0015 2 barrel manifold in there methanol fuel powered 250 crossflow. Some of the advantages that the driver & crew found that the car could pull taller gears,made more torque through the entire rev range, It has almost eliminated head gasket problems as the car runs a more even air fuel ratio on all 6 cylinders,
Click on this picture below to see the build on a Ford Anglia running an AussieSpeed 4 barrel manifold on the Ford X-flow then a planned upgrade to an AussieSpeed supercharger kit for the Ford Crossflow
There have been a few changes made with the casting of ford 6 cylinder crossflow engine blocks
76DA,
78DA,
80DA,
83DA,
84DA,
86DA,
87DA.
The 76DA was a cast iron cylinder head cross flow engine
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.
The 80DA cylinder heads were Honda alloy crossflow cylinder heads with a smaller combustion chamber that results in a higher compression ratio.
Head gasket failure can happen if an anti corrosion inhibitor is not used.
The Alloy II Head engine was available in mid 1982
After 1983, all Alloy Head II and EFI Falcon XE’s got blocks with the 83DA code, the first block without a drill hole for the Cortina dipstick.
The rear main seal was still the rope seal, and the engine had a new HF5 cylinder head with cut-outs for the EFI injectors, even if the carby was still found in the base model.
There were some other changes that justified the 83DA label, possibly to allow the EFI.
Valve sizes were the same as the first Alloy Head XD and XE engines.
There is still a boss for the rear mount Cortina dip stick, under the 83da-6015-AA part number.
The 84DA had A neoprene 1 piece rear main seal.
The 87DA engine block can run the late 1987 3.9L & 4.0L over head cam engine crankshafts.
Hotsixes would like to thank AussieSpeed For it support on keeping our site going
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