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[SiFlyBy]

I'm putting a HY35 on my WRX. I just need to know if any of you Nogs are putting any restriction in the oil feed line for Holsets. I'm a Holset virgin  . I always have on garretts in the past, but diesel trucks seem to run a little more oil pressure than gassers so IDK.

Thanks in advance,
Chris

[boosted wagon]

Don't. -3 feed done.

[SiFlyBy]

sweet thanks. I remembered reading somewhere that Holsets like more oil volume.

[boosted 00 black si]

humm i've used a oil restrictor on everyone of my turbos including my holset

[jagojon3]

Don't. -3 feed done.

This. My stealthmode kit has lasted almost 6 years now without a single issue.

[bigwig]

The issue is with oil pressure naturally produced by the engine.  B series Vtec engines have higher oil pressure than B-series non-vtec.  The need for a restrictor really depends on what engine you have.  In the end, $15 restrictor is relatively cheap insurance.

[dvst8r]

The issue is with oil pressure naturally produced by the engine.  B series Vtec engines have higher oil pressure than B-series non-vtec.  The need for a restrictor really depends on what engine you have.  In the end, $15 restrictor is relatively cheap insurance.

Have you ever even owned a turbo? Or better yet a turbo'd vehicle? You have a wonderful "idea" that I am sure you read somewhere, but I have lost an H1C to a restrictor and boosted wagon has lost at least one Holset. I lost one on a Nissan, Boosted wagon lost one on a B- series.

The -3 no restrictor recommendation is from experience.

[bigwig]

The issue is with oil pressure naturally produced by the engine.  B series Vtec engines have higher oil pressure than B-series non-vtec.  The need for a restrictor really depends on what engine you have.  In the end, $15 restrictor is relatively cheap insurance.

Have you ever even owned a turbo? Or better yet a turbo'd vehicle? You have a wonderful "idea" that I am sure you read somewhere, but I have lost an H1C to a restrictor and boosted wagon has lost at least one Holset. I lost one on a Nissan, Boosted wagon lost one on a B- series.

The -3 no restrictor recommendation is from experience.

Yes, and yes.

Moving forward, it's not an idea I "read somewhere" but something I've figured out as B-series Vtec cars blow turbos on a higher rate than any d-series or B-series non vtec.  Knowing oil pressure is higher on a B-series vtec engine and oil pressure is directly related to turbo seals blowing, it's not hard to come to the conclusion that when you're vehicle naturally has higher oil pressure, you need to dial it down and a restrictor does that.

Because you blew a turbo with an oil restrictor, now you are the authority on saying without a doubt, Holset turbos don't need oil restrictors?  The same was said about GT series turbos 4 years ago and then people realize although they had some stupid half assed oil restrictor, 100psi of oil pressure was a bit too much still.

[dvst8r]

After having blown up well over 20 holset turbo's, and numerous BW's and a handful of garrets, only one from starving it from oil. I also work with alamo turbo's on a regular basis on turbo failures, both mine, and other gas and oil companies. Yeah I would say I have an above average grasp of this.

There are 10:1 (Alamo's numbers not mine), turbos that come in that have been starved of oil vs blown a seal out from too much pressure.

Restrictors have there place, but put one on a -3an, or -4an feed line on a holset or bw turbo, and you are asking for issues.

[Minor Threat]

After having blown up well over 20 holset turbo's, and numerous BW's and a handful of garrets, only one from starving it from oil. I also work with alamo turbo's on a regular basis on turbo failures, both mine, and other gas and oil companies. Yeah I would say I have an above average grasp of this.

There are 10:1 (Alamo's numbers not mine), turbos that come in that have been starved of oil vs blown a seal out from too much pressure.

Restrictors have there place, but put one on a -3an, or -4an feed line on a holset or bw turbo, and you are asking for issues.

If a Holset is smoking, and a restrictor cures the issue, do you think it'll run into issue down the road?

[dvst8r]

That is a hard question to answer, as it may be getting enough oil now, or too little. If it starts smoking again, you will know it was too little.

One of the other major issues, we have found is undersized or poorly routed drains. This can mask as too much oil pressure, as with the additional volume of oil, the drain is unable to evacuate the oil quick enough, and it backs up and starts to smoke. You add a restrictor, it stops the smoking for a little bit, as the oil drain is able to move that volume of oil, but now there is not enough oil to do the job properly and the turbo starts smoking again. 

[Minor Threat]

Well, I'm using the OEM drain that came on the HX35 I got, 7/8 inch I think is what it measures out to.

How much oil does a Holset need then?

[dvst8r]

I don't remember the exact range, I will call alamo tomorrow and get it.

Edit:

Found it in some of my holset docs saved on the comp. Sorry all in metric, will convert...

Min oil pressure: 210 kPa ~30.5psi
Max oil pressure: 500 kPa ~72.5psi

Min Oil flow at idle 2L/min ~ 2.11 quarts
Min Oil flow at operation 3L/min ~ 3.17 quarts

Normal oil temp 95C +/- 5C ~ 203F +/- 9F
MAX oil temp under any condition 120C ~ 248F

Recommended max crankcase pressure 0.8 kPa ~ 0.116psi

One more note, Holsets really don't like angles, Garrets (iirc) can be tipped to ~ 15 degrees, max recommended angle for a holset is 10 degrees from vertical measured at the oil inlet centerline. With the rotor centerline +/- 5 degrees from horizontal.

Holset permits oil return pipes to decline at an overall angle of not less then 30 degrees below horizontal.

Minimum return ID 14mm ~ 0.55"

Return connection to sump must NOT be submerged.

The outlet flange of the turbocharger must be 50mm ~ 2" above the maximum oil level of the engine oil sump pan.

Oil must meet API SE - CD at minimum. 

[Joseph Davis]

Holsets come with a 0.080" restrictor built into their feed line, at least for the Dodge/Cummins applications.  The size of that restrictor will NEED to vary with the oil pressure of whatever engine you bolt a Holset to.  Also, I'm pretty sure they change a little in re: desired oil pressure across the years and families, so looking up OEM service lit to get some idea is a good idea.

The issue is with oil pressure naturally produced by the engine.  B series Vtec engines have higher oil pressure than B-series non-vtec.  The need for a restrictor really depends on what engine you have.  In the end, $15 restrictor is relatively cheap insurance.

Have you ever even owned a turbo? Or better yet a turbo'd vehicle? You have a wonderful "idea" that I am sure you read somewhere,

+100000

[bigwig]

So basically what I said was 100% accurate.

Good to know.

[Joseph Davis]

Rass, shut the fuck up.  You're about four posts away from having your account deleted - for your own good.

I swear, if you were withheld the internet for 24 hours you'd be forced to get laid. 

[ironcrx]

Even though this thread is specifying a holstet turbo, oil pressure made by the motor (speaking in the case of my nissan, not honda) is pressurized at whatever the motor is built at but the issue is whether or not to use a restrictor?  What about straight oil unrestricted with other turbo models and other motors?  Restricted </>/= unrestricted.  I had to make my own oil lines for my missing stock set so I would hope I'm not flooding my shit at least.

I ask in all seriousness.  Dont shit can me before I get my s12 rippers on the site JD 

Also: I been hitting the vodka again tonight.  So this could be a shit question in hindsight tomorrow

[bigwig]

Some motors naturally create lower oil pressure than others.  As a result, there is no one size fits all answer.  The best thing to do is contact the turbo manufacturer and find out what oil pressure they suggest their turbo run at.  Get undrilled piece of brass fitting to act like a restrictor and an oil gauge.  Drill a small hole, see what the oil pressure is.  If it's too low, drill a bigger hole.  You can also try to figure out a ball valve type restrictor that might work.

Your other option is to use case evidence, ie: Other people have successfully done things one way, so it's safe to assume I'll be able to do the same.

[Joseph Davis]

BLAH BLAH BLAH BLAH BLAH

[Joseph Davis]

Ross:  I've ignored your little chips for about 6-8 months now.  Continue and I'll rip right into you and go straight for the meat of it.  So you can either choose to ignore my existence and stop creating faggot internet drama or I'm going to piss you off to the point you'll be embarrassed by being piss off by something someone said on the internet

Bring it, princess. 

[bigwig]

I've actually decided against it.  It only continues to feed your internet ego.  The world has put you right where you belong.

[2slow]

This is simple. Find oil pressure range for turbo-get stealthmode restrictor and an oil pressure gauge-put oil gauge between restritor and turbo-turn lever on stealthmodes restritor unitl it is at acceptable level. /thread

[jabberwock]

JUST FUCKING RUN IT

[Joseph Davis]

I've actually decided against it.  It only continues to feed your internet ego.  The world has put you right where you belong.

If you are stepping down, then let me apologize for the pre-emptive strike I made this morning by shitting in a box and shipping to you.

[jdmhatchracer94]

I run -6 straight from engine to h1c and got no fuckin problems at all

[HiProfile]

FYI Garrett recommends 20min-50max PSI for a T3 chra. -3an by itself tends to be borderline for cooking their seals. I have a lower pressure D16 feeding an old t3/t04b with a 0.060" restrictor and I've ran smoke&toast-free for a good 10k on that now.



So a -3an no restrictor on a holset that wants 50% more oil seems fine...assuming it has pressure like a Honda motor. If you get 30psi at cold startups, go with a bigger feed 

[snm95ls]

Why not come up with a pressure regulator for the terblow oil supply?

 

[LS1pwNzJ00]

I've actually decided against it.  It only continues to feed your internet ego.  The world has put you right where you belong.

If you are stepping down, then let me apologize for the pre-emptive strike I made this morning by shitting in a box and shipping to you.

Hey hey old man, thats my fuckin M.O., dont be jockin me baldnog.  hopefully arsenio posts up his wonderful package once it arrives.