Re: new timing chain. cant align.
The chain run, front, should be pulled tight. But as the chain beds in and all the little tolerances in all the links settle, the slight slack will be taken up by the tensioner, which (IMHO, and only after lots of surmise), should tend to take up this slack towards the rear run. I would not lose too much sleep over it though, its never been an issue on the engines I've done. (Except for the barely supressed desire to fork out for the vernier cam-wheels, at great expense, to get it perfect).