Which line is which @ the fuel rails on a T2?



I know the front joins the 2 rails together but is the upper rear the return line or the line feed from the tank?



Thanks in Advance!

feed to primary/lower fuel rails

return from secondary/upper



kevin.

Thank You!

It will not start backwards, trust me, fought this crap for a whole day untill it dawned on me.

Also, make sure the return is coming off of the FPR end of the secondary rail. I would assume it would start since the primaries would still have pressure, but fuel cant pass backwards through the stock fpr (I think). Isnt that correct?