i found a couple things that were a big help installing my 455 into a metric Regal. the alternator/a.c bracket off the v6 will bolt right onto the 455. makes a really neat installation. if the engine sits too high the support hole on the top may hit the hood. i just cut mine off and ground it smooth. the power steering hoses gave me a little fit, as the pump on the 455 was fractional, while the Regal steering box was metric. just remove the high pressure fitting from the back of the regal pump. it screws right into the older inch pump. then the factory high pressure hose will fit like it was made for it.
