So I tore down a mechanical fuel pump to see how difficult it would be to boost reference it, and basically I can't be bothered. The car already is plumbed for a return system as it's currently K-Jet, so I'm going to instead use a modern pressure regulator. I think I've settled on a Fuelab 515 which has a pretty nice range of adjustment and will not look too alien in my engine bay. This means the fuel tank and pump are all going to remain as-is, which is nice, as if I ever get over this setup I can go back to K-Jet with minimal hassle.
That aside, today I finished off assembly of the bottom end, barring a couple of fasteners and the oil pan, as I don't have any more M8x16 bolts. I'm waiting on a bunch of fresh fasteners.
I can't start work on the top end just yet, so I am next going to be looking at reproducing the original R-Sport oil cooler hardlines. This is what I have presently:
And this is what I need to end up with:
Other turbo redblock Volvos use a slightly different setup with hoses and hardlines in different places. The bracket you see in the photo above is the one from a 740 Turbo, GCP had them for sale for $not much, and comparing it to the diagram you can see that aside from the actual pipe clamp, it's the same part (the part numbers are different though). I can live with that!
So, I have braze-on banjos and fittings on their way to me from the UK. I have a pipe bending tool but all the same this is probably going to take me a few goes. I may also take this whole setup off the new engine and fit it to my existing engine as I need to make sure these pipes stay clear of the steering column.