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| Just a couple of ideas that came to mind...your margin of error is small...but....if you want to check it out....
You might possibly have a rough brg in the slow one, or...you might have a small piece of debris or obstruction on the inlet side ( or even return side of that motor ) . Dont rule out a faulty hose from the 1st motor that feeds the second either, possibly where the inner lining is letting loose just a little bit, or....one of the crimp fittings might be crimped too tight, causing a restriction.
Another could be fittings, if the ID of the fittings is less than the hose size, this could cause enough restriction for an issue.
If you have a bunch of 90* or 45* fittings to make the application work, you will be surprised on how much line restriction there is versus a gradual curve or large bend in a line.
Steel lines will normally flow a little better than rubber too, as far as line friction goes..
Make sure the case drain hose is clear and free and to proper sizing too.
Lastly, you could connect flow meter after 1st, then test at the second, if you really want to tweak it.
Hope this helps.
Rog | |
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