I presume it's an X-series Falcon?
You should be able to get a v8 crossmember for your car and bolt it straight in.
Failing that, angle grinders and welders were invented for a reason
Tailshaft may also be a problem, unsure as I specialise in the newer models myself. Also think about the box crossmember.....
Proud TQE Operator and President of SEFAG - the Society for the Elimination of Ford Automatic Gearboxes
Pacemaker headers + 2.5" exhaust
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