Turbo oil supply thread?

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ProZac
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Turbo oil supply thread?

Post by ProZac »

I'm putting together the order for the bits to fit the td05h to my Starion. The oil supply is baffling me a little...

The turbo has an M12x1.25 thread, which seems fairly generic, and is nice and easy to get AN adaptors for.

The supply from the oil filter housing has me a little stumped however. Ive circled the stock supply line in red in the picture below. Ideally I'd like to do away with the adaptor that's in place, and replace it with a -4AN adaptor, to match the turbo side. Can anyone tell me what the thread in the oil filter housing is here? (not the flare adaptor screwed in). It's tapered, if that helps.

Image

I really need to study up on threads other than nice simple metric ones!
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1320ft
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Post by 1320ft »

Just take the flare adaptor down to Pirtek & they will be able to tell you what thread it is.

"Shameless plug"

They stock our Proflow fittings, so they should have what you need.
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ProZac
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Post by ProZac »

Very punny :).

Cheers, they even have a local outlet, will go see them tomorrow.
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Post by fugazi »

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ProZac
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Post by ProZac »

Yeah, I found that thread, but it doesn't really give any answers.

I took some measurements, and came up with 1/4 NPT, going off this information:

http://www.fairburyfastener.com/xdims_pipe_threads.htm

It all seems to measure out okay, just over 1/2" at the thick end, and 18 TPI.

I've ordered line and the fittings from http://www.nzkw.com/

If it turns out to be something other than 1/4 NPT, I'll only have to get another adaptor to -4AN, but it was only like $4.50 anyway :).
coop1er
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Post by coop1er »

Japanese tapered threads are usually bspt.
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