The flywheel would have had a dowel in there ,,and if it was in there it would be impossible to put it on in the wrong place,Do you remember the dowel on assembly? And i dont care how good you are .You wont be the first to refurb the fuel distributor or metering unit only to mess it up .Its a tricky job ..But you can rule that out if your fuel pressure top and bottom are right .. On the fuel distributor you will see a large pipe ,this is the return to tank pipe .Remove the pipe and do you have fuel in there ?.Another thing is i sent you a picture of HT locations in the distributor ,are yours in the same order ?and did you check it out