that was my thinking with the 7.8 back-date kit - you can't run a 7.8 motor (ie, a 3.8) with a 7.2 DME, but you can but a 7.8 DME in a 7.2 car. you need to change some pin-outs (fabricate adaptors, extensions, etc.) replace the ABS controller (and gauge cluster if you want your cruise to work, and hvac controller if you want your a/c to work) and change fuel delivery from return to 1-way. add lowering motor and transmission mounts/adaptors and a few hose extensions/couplers and you should be there (that's what the internet tells me, anyway). A kit would be cool.
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