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screwing fitting into oil pressure sensor probs (tapping block)

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Old 02-14-2004, 07:19 PM
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Default screwing fitting into oil pressure sensor probs (tapping block)

i have the oil pressure sensor out and i am at the point of screwing the fitting in for my oil feed line... problem is i get about two turns on it and it gets tough to go in. i am sure i could force it in but i dont want to risk the chance of stripping it.

question is, why is it going in so hard? is there crud in there? i know its the right fitting bc the person i got it from had it on his b16 and everything was fine.
Old 02-14-2004, 07:20 PM
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Default Re: screwing fitting into oil pressure sensor probs (dunkd)

Because NPT and BSPT are not the same thing.

Your fitting = NPT
The sensor/block = BSPT
Old 02-14-2004, 07:28 PM
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so what you are saying is that the kid i got it from was a moron and didnt know what he was doing when installing his turbo?

so basically a npt and bspt fitting look the same, but size wise, they are different?
Old 02-14-2004, 07:32 PM
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Default Re: (dunkd)

Pretty much everyone uses the NPT fittings anyways. It will be hard to turn but it does seal. When I had a turbo setup I used the NPT fitting.

It sort of damages the block to use the NPT fitting, but if you are careful it will be OK. Make sure to use teflon tape.

BSPT is 28tpi rather than 27tpi IIRC.
Old 02-14-2004, 07:33 PM
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well id rather use the right fitting that goes in perfect, can you tell me the name of exactly what part i am looking for? thanks...
Old 02-14-2004, 07:38 PM
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Default Re: (dunkd)

Well, it will be hard to find a brass tee with BSPT threading on it.

You can find a 1/8" NPT->1/8" BSPT thread adapter.

It's probably going to be a hassle to locate one. The NPT fitting works fine if you are careful.
Old 02-14-2004, 08:00 PM
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Default Re: (dustin)

How can you recommend threading in a part that has the wrong threads? Especially on your block! The necessary part is under $4. worst advice IMO

Old 02-14-2004, 08:11 PM
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Default Re: (Bailhatch)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Bailhatch &raquo;</TD></TR><TR><TD CLASS="quote">How can you recommend threading in a part that has the wrong threads? Especially on your block! The necessary part is under $4. worst advice IMO

</TD></TR></TABLE>

Well, it works just fine. The ones for $4 tend to break.

That, and the fact that everyone on earth uses the NPT fittings, that's why all turbo kit manufacturers include them -- because they work.
Old 02-14-2004, 08:38 PM
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Default Re: (dustin)

uhhh http://www.tunertoys.com has a nice solution for you with the correct threads.

Old 02-15-2004, 09:04 AM
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has anyone ever used this fitting from tunertoys?
Old 02-15-2004, 10:46 AM
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Default Re: (dunkd)

Yeah?
Old 02-15-2004, 12:13 PM
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Default Re: (88gts)

http://www.fittingsandadapters....html

You can use this. You will have to buy 3 of them. They also sell t-bolt clamps.
Old 02-15-2004, 01:50 PM
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Default Re: (dunkd)

I have one, I like it.
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