So, most manufacturers post '00 use a returnless system whereas almost all before that use a return system. As I understand it, it's easier to meet some of the emission requirements with a returnless system, though in most of our cases, and especially in mine, that isn't an issue at all.
I guess my dilema is, since I'm going to have to plumb everything from near-scratch anyway, is it better to use the post 2000 returnless system (you can build or buy a controller for ~$50, and just one line to run) or just suck it up and run the extra line and such.?
Also, I can't seem to find a straight answer on fuel pumps, will say a Walbro 255lph or similar get fried with variable voltage control? Conversely, will a fuel pump designed for variable voltage fry if it's subjected to constant 12V?
Sorry if it's a naive question, but I've read so much going either way that now I'm all confused. I always thought a pump was a pump was a pump.
One more piece of the puzzle, this is a Mark VIII engine that's only going to make about 300hp, nothing fancy, nothing exotic, pretty much a stock Lincoln engine that was originally a return-style system, that will most likely be fed by a Focus tank and pump (designed as a returnless system)
Thanks for your time.