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No no, sorry I think I made you misunderstand. I have this Tee as well as the lines that go from there. What I am missing is the banjo bolt that connects this line (OEM turbo oil supply line) To this hole, this line is mounted on the turbo and reaches around it so you have easy access the oil and water supply being rerouted to this dual banjo port in the front. like this -
Nothing at the moment as previously there was a crappy braided line going from engine block directly to the turbo. I have bought a used OEM hardline for the turbo oil supply, which goes from the engine block to the marked hole. I don't have any of the OEM banjo bolts for oil except the one at the block.
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This is the tee No specs on the page I grabbed it from, out of stock there anyway. But it kinda looks like a 1mm pitch. Would not think it's going to be 0.75mm pitch. -
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OK, I'm with you now. The outlet of the tee that is banjo'd into the block. Dunno what it is, will have a scratch around. The M11 question is.....messy. The minor diameter of an M11x1.0 male thread is 9.917mm. This is smaller than the minor diameter of a 7/16"-24 UNS (which is 10.08mm). The M11 major is 11mm. That's smaller than the major on a 7/16"-24 UNS (which is 0.4375" or 11.1mm) so an M11x1 bolt should pass on the major side. The pitch of a -24 thread is 1.058mm, which is really close to the M11x1, so it should go in at least several turns. I would expect M11x1 to be loose in a 7/16"-24 UNS, at least until enough thread are engaged to make it stop screwing in, if that can happen. Probably wouldn't happen on such a short bolt as you're looking at on the oil tee. Keep in mind that 7/16"-24 is NOT a standard/typical 7/16" thread. Standard is 20. That's the UNF or fine thread. -24 is really fine. I imagine that Garrett chose -24 for the turbo housing oil inlet to get the number of threads engaged up. I would not expect Nissan to have an imperial (UNF, etc) thread on that tee. I would expect it to be metric (if it is a bolt thread) or BSP (actually the Japanese equivalent of BSP) if it is a pipe thread. Given that it's a banjo, it's going to be a bolt thread. If it looks like an 11mm will go in there, then 11mm seems likely. It is very possible that some clown has stuffed that thread by trying to jam some imperial "near equivalent" into it, perhaps with those hoses of yours. Got verniers? Measure up the threads on the hoses.
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