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Originally Posted by psyber_0ptix
(Post 1177138)
Yea the pressure sender port is bspt but since the hardline attaches to the block, the vvt motor will have a straight thread into the oil galley.
Mystery continues. there is no physical difference at all between the oil pressure port on the regular blocks vs vvt. check it, son: https://www.miataturbo.net/attachmen...ine=1329708707 it uses a banjo bolt into the same port as the regular blocks have the pressure sensor |
1 Attachment(s)
You mean to tell me that the little banjo bolt that passes into the block, through the hardline, is a BSPT thread? I was in agreement thats where it attaches, but I don't know if they'd use a tapered bolt on something that was to be sealed with two crush washers. The hardline itself has a bspt port for the pressure sender.
https://www.miataturbo.net/attachmen...ine=1413836206 |
same port, same thread, from my very own built engine:
https://www.miataturbo.net/attachmen...ine=1397257941 that bolt doesn't use crush washers either. it bolts through the sandwich without them. |
I suspect the 01+ blocks are a BSPP (british pipe parallel) thread, while the 90-00 blocks are BSPT (british pipe tapered).
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Originally Posted by shuiend
(Post 1177065)
I sort of laughed at keeping a dead dog in your freezer, then I realized my uncle keeps a dead alligator head frozen in his freezer. He has had it for several years and he uses it as a gag for when new people come over to the house.
She was such a fun dog... Brainless and emotionally shallow, but fun. |
Originally Posted by 18psi
(Post 1177153)
that bolt doesn't use crush washers either. it bolts through the sandwich without them.
Originally Posted by Savington
(Post 988079)
Block banjo bolt (small): 9YA3-51-001C
Block banjo bolt washers x2: 9956-21-000 Upper banjo bolt (big): 9YA3-41-601 Upper banjo bolt washers x2: ZL09-10-333 :confused::confused: |
4 Attachment(s)
Found the originals.
https://www.miataturbo.net/attachmen...1&d=1415501383 https://www.miataturbo.net/attachmen...1&d=1415501383 So, yeah. Pretty much impossible with the tools we mortals have access to. The dog's still in the freezer, incidentally. |
Originally Posted by Joe Perez
(Post 1181674)
Found the originals.
So, yeah. Pretty much impossible with the tools we mortals have access to. Also, the nearest TechShop location to NYC appears to be... Pittsburgh. So that'd be a bit of a hike. :) We've got three within 50 miles of my house though. --Ian |
Originally Posted by psyber_0ptix
(Post 1177180)
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I guess I am completely wrong and both use washers. its been a while since I was down there. my bad
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I've had to drill holes like that in cast iron and cast steel in the past, but it was in a full on milling machine. Its possible, but its peck-peck-peck-peck-peck-peck ad infinitum. Clearing a chip out of a hole that deep and that small a diameter with a bit that long is just asking for trouble. Not to mention trying to get chips out and coolant in at the same time. No thank you.
Now that coolant port... that may have some merit. |
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