Don't have much time to respond...heading for vacation soon. Anyway, I did a combination of Cold Hose extension pipes...converts to o-ring fittings straight to the front (did this for high side). For low side, I took the donor hose, cut the end off and welded a #12 nut to the pipe. So, the block compressor fitting comes straight up off the compressor and a straight 0-ring barb fitting connects to the compressor fitting (I converted my factory POA system to an orifice tube system). Had to slightly clearance frame for the low side pipe to clear.
Hope this makes sense.
https://coldhose.com/products/gm-5-3...35532197494944