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Originally Posted by Carnut427
BTW, I also found that one 90* bend creates as much resistance as 8' of straight pipe. We were having problems getting enough oil flow in some machinery, causing premature bearing failures. |
Whan I plumbed my car, I tried to use the radiused fittings on all fuel and
oil ends, trying to avoid 90 elbow bends. I couldn't do so on the outflow of the mechanical fuel pump, so it has a 90 elbow, as well as the
oil return line back at the block.
There's a 90 elbow inside the remote oil filter mount itself, the center outflow, although I took it apart, and tried to chamfer the corner, trying to make it into two 45 degree bends, but if I remember correctly, I think it was already like two 45 degree bends instead of a single 90.
With 90 elbows, I had thought about putting a little epoxy in the long radius, corner, of a 90 elbow fitting, again to try to make it into two 45 bends instead of a single 90 to try and smooth out the flow. I actually think I did this in the 90 elbow outflow from the mechanical fuel pump, but I can't remember for sure, as I'd have to take the fitting off to reinspect it. I know I didn't do it on the oil return elbow to the engine block. It would really have to tested to see if it really makes any difference, but again, I do think I put some epoxy inside the elbow fitting on my fuel system, like this.
