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Old 04-26-2012, 10:13 PM   #31 (permalink)
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also did you use new crush washers, and verify there are no external leaks on the turbo?
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Old 04-27-2012, 04:36 PM   #32 (permalink)
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Quote: Originally Posted by a853rox View Post
I did reply in the PM as well, but i figure I would explain what we did while diagnosing your setup.

-Part dimensions (turbine shaft, and turbine seal bore in CHRA) were inspected for wear, and dimensions, all were within spec.
-Turbo was rebuild, and balance was verified
-Turbo was run in our VSR balancer with heated, pressurized oil, with no leaking past the seal.

On all accounts, with multiple checks, the turbo is good in our eyes.


Possible causes of the continued smoking:
-too much crank case pressure causing more oil than normal to bypass through the piston seal (very rare btw)
-oil drain tube blockage causing the same (more common)
-too much oil feed pressure (normally not an issue with journal bearing turbos)
-you still have residual oil in the manifold and dump tube that needs to clear out
-you have oil leaking from elsewhere in the system like valve stem seals or cracked ringlands causing severe blow by.

Now im not sure what other testing you have completed, but I would recommend looking in other areas to ensure that your car is tip top. We did as thorough a check on the turbo as possible, and it's good brotha!

Certainly keep me informed of what you find Richard!

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Thanks for the further diagnosis on your end Bob, its much appreciated.

Every part from top to bottom in my engine is brand new and only has 450 of soft brake in driving on each component. You guys did the ported head and valves no longer than 6 months ago. I had installed the following at your shop while the head was there.....
Map S3 head with
Brass valve guides
New valve seals
Rev+1 intake +2 exhaust valves
Rev dual titanium valve springs
Rev retainers
With.... (installed at my local machine shop were the pistons/rings and bearings)................
Bc S3 cams
Arp head studs
JE 8.5:1 pistons
Eagle Rods
Acl rod bearings
Deleted balance shafts(done by my during engine assembly,yes i closed the oil port with a screw as instructed in the how to)
Also I have checked the oil return line for blockage and I found no obstructions. I used a wire coat hanger and heard it go all the way down to the oil pan.
Also I would like to point out this fact that, every time I simply start the engine, I can go and remove the band clamp and there will be oil in it. I mean it can run and get to normal temperature and then shut it off and then there will be oil in the band clamp.
I will be doing a compression and also a leak down test on sunday. I will post the results once they are both completed.
Once the engine was started after installing the turbo after I got it back form map, I would let the car warm up and idle and my autometer electrical oil pressure gauge that I have installed in the head will have a normal reading of 18-22 psi at idle.
So this is where I stand. I expect good things from this sundays tests as the engine is brand new.

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Old 04-27-2012, 04:38 PM   #33 (permalink)
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Yes the oil crush washers ontop of the turbo is new. So is the oil return line gasket.
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Old 04-27-2012, 06:23 PM   #34 (permalink)
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bent valve or turbo needs rebuild
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Old 04-27-2012, 06:53 PM   #35 (permalink)
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Quote: Originally Posted by srt4me18 View Post
bent valve or turbo needs rebuild

Read post #32. Can't be the turbo.
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Old 04-28-2012, 11:19 AM   #36 (permalink)
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Quote: Originally Posted by TenZen View Post
Read post #32. Can't be the turbo.

Valves are brand new and the car runs fine except for the smoke
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Old 04-28-2012, 01:11 PM   #37 (permalink)
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Would putting in any tracer dye in the oil help?
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Old 04-28-2012, 07:45 PM   #38 (permalink)
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I'm honestly not very familiar with tracer dye
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Old 04-28-2012, 08:14 PM   #39 (permalink)
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I may be calling it the wrong thing. Pretty much the same stuff they use for A/C leaks, but made for oil. Have to use a black light to see it, and you are able to see where the leaks are coming from.
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Old 04-29-2012, 08:14 AM   #40 (permalink)
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Hmm interesting. I've never heard of that before
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Old 04-30-2012, 07:11 AM   #41 (permalink)
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Compression test came back even on all 4 cylinders. Leak down test showed no leakage in any cylinder.
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Old 04-30-2012, 08:46 AM   #42 (permalink)
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more and more I'm thinking valve guides and/or seals.
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Old 04-30-2012, 08:51 AM   #43 (permalink)
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Quote: Originally Posted by Sota View Post
more and more I'm thinking valve guides and/or seals.

I sure hope not. ill be sending the turbo back down to MAP this week.
I have pictures that i havent got to post yet from yesterday, showing oil on the exhaust blades of the turbo. Ill post them when i get home from work.
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Old 04-30-2012, 08:53 AM   #44 (permalink)
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you said there's oil in the manifold itself?
is there oil in all 4 exhaust ports on the head?
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Old 04-30-2012, 08:58 AM   #45 (permalink)
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also have you poked into the intake plumbing yet to see if there's oil there.
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