looking into replacing my v8 its a thor 3.9 on an auto box, I tried recently but found the left engine mount would not split as some one had rounded off the nut I need too replacxe rear core plug, the bottom nut comes off easily so the engine will lift out, what is the easiest way toolift engine and box out in one, I have a engine lift and plenty of tools just need this sorting now don't want too break it for parts for a simple part cheers Rich