To be clear I thought I would just summarise the issue
1. My set up appear to have the oil pressure and relief valve on the other elbow to the book and David Gordons. This is odd as I assume only one of these elbows flows pumped oil out, the other is a return.
2. Which elbow flow oil out?
3. Did the arrangement of these oil pick ups change for some reason?
4. If mine is taking oil from the wrong elbow it will be sending it back in against the oil trying to flow out?
5. If I have followed the schematic when I hooked up the cooler lines, I may well have got the oil flowing into the wrong union on the cooler. Could this be affecting my flow rate through the cooler, and causing the relief valve to operate and dump oil onto the fuel pump?
Hope thats all clear thanks A
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