Identify motor
#2
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#4
If the heads are off on the lower corner of the block deck there will be a number starting with "40" or "46" to designate the displacement. Otherwise they are essentially the same block. Are you rebuilding or wanting a drop in replacement? Not sure if there is any other way to identify without removing parts from the block.
#7
#8
for more info read the preview of this:
How to Power Tune Rover V-8 Engines: For Road and Track - Des Hammill - Google Books
skip ahead to the 4.0 & 4.6 sections of interest. Lots of other good info there too.
How to Power Tune Rover V-8 Engines: For Road and Track - Des Hammill - Google Books
skip ahead to the 4.0 & 4.6 sections of interest. Lots of other good info there too.