Re: au into ea question :-)
Use the EA mounts, tho the AU ones might fit, I didn't try.
The sump goes straight in, you might want to shave a bee's dick off the front rib so as to clear it from the square bar.
Proud TQE Operator and President of SEFAG - the Society for the Elimination of Ford Automatic Gearboxes
Pacemaker headers + 2.5" exhaust
EF Fairmont interior
Lowered King springs
5 speed manual
Newest mod: EF Ghia wiring loom and dash