94 accord 2dr vtec has no number on the block or motor number, hasn't been tampered with, swapped motor from junk yard no sign of tampering grinding or ect, has only 2 raised letters HA on the block where it should say f22, f23 and the motor number, the 2 letters are raised and not engraved any help appreciated, plugs for electrical are grey so I'm assuming obd1

 

It should be engraved on the block like this. Can you take a pic of the engine and post it for me? I think I can figure it out if I see it.