Quote:
Originally Posted by Hail
Its pulling fuel from the tank through a prefilter, out the pump, adjustable FPR, through 2 post pump filters. Water separator, 2micron fuel filter. Into VP pump. Like I said is it ideal...no. Does it work and well...yes. trouble free for 150000 miles and counting. Quality pumps are tougher than people believe. In my humble opinion I believe a 255 pump would run a long time drawing fuel from a carb fuel tank on a lsx swap. AS long as the return restrictions wasn't to great and caused problems.
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I get that it works, and I'm not trying to belittle your contribution...but it just doesn't apply here. The differences in the fuel systems for your diesel application and this are not the same demands.
Can you physically draw fuel for his setup that way, Yes, you can.... You can also use compression fittings on brake lines, but its not correct, its not really safe, and its not something we want to pass onto others. In this case, the OP needs the best way to fix/design his fuel system, and by suggesting and defending an improper solution, we aren't helping him in the least.
You can choose to believe me or not, but running a 255 on a long draw is detrimental to the pumps life and overall performance. I'll site source, tell stories, and list qualifications if you want me to, but just believe that I wouldn't write ALL this just to banter on a moot point. From
experience 255's don't want to be mounted like that. From
experience, they can burn up even under the correct use...why make their life harder/shorter if you can avoid it?
And the return line restriction thing is just a weird point to make. There isn't really anything that can fail in terms of function or system design on the return side, with the exception of size issues from using Meth/E85 due to the huge increase in volume both ways.