Oil Supply for Holset
What size oil supply line are you guys running on the holsets? Do you need a restrictor like the garretts? I went to get a fitting for it and the smallest they had was a holset magic size to -5AN or -6AN. Is that going to be to big or do you think it will be ok?
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Re: Oil Supply for Holset
The holset manuals say 60psi max pressure and 90psi for cold start. Measuring pressure at the point you are tapping from would be the best idea.
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Re: Oil Supply for Holset
Holsets have internal restrictors. The fitting size depends on which turbo you have.
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Re: Oil Supply for Holset
he351VGT. I didn't see a restrictor in it. I guess Volume is not the problem then, just pressure, so as long as my oil pressure doesn't get over 60psi I should be good. I'll have to take a pic of it when I get home. The hole is pretty huge. Aero, what are you doing for the oil supply on yours?
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Re: Oil Supply for Holset
I drilled and tapped the fitting that came in my turbo to fit an NPT to An fitting. It is fed from the head. At the oil filter housing from the stock pressure sensor location I have 60-70 psi cruising at 3000-3500 rpm. The head is somewhere below that, I haven't measured the pressure there.
I can't remember if the braided line is a -3 or -4. |
Re: Oil Supply for Holset
Yeah, I have a -3 right now and would love to run that, but then again the hole is so huge going into that thing that I am worried the -3 may not be enough.
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Re: Oil Supply for Holset
im using -3 line on mine, and so far so good...
i just took that fitting that came in the turbo, the one that is like a brake line, drilled a hole in it and threaded it to 1/8 NPT and threaded a npt to AN fitting in it and ran a -3 line from the oil pressure sensor fitting on the back of the block to the turbo. like i said, so far so good... Eric |
Re: Oil Supply for Holset
Originally Posted by bouncinofftherevlimiter
im using -3 line on mine, and so far so good...
i just took that fitting that came in the turbo, the one that is like a brake line, drilled a hole in it and threaded it to 1/8 NPT and threaded a npt to AN fitting in it and ran a -3 line from the oil pressure sensor fitting on the back of the block to the turbo. like i said, so far so good... Eric Exactly what I did too. |
Re: Oil Supply for Holset
Mine didn't come with the fitting :( I will post pics tonight.
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Re: Oil Supply for Holset
http://www.pegasusautoracing.com/pro...asp?RecID=5055 4an
http://www.pegasusautoracing.com/pro...asp?RecID=5054 3an I think its this fitting I got mine from the local hydraulic shop. I can check for you tomorrow. |
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