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Greddy Turbo Rebuild

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Old 01-05-2009, 12:10 PM
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JETPILOT
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Default Greddy Turbo Rebuild

Does anyone know who rebuilds the TD05H-18G turbo's? My turbo's are leaking oil like crazy.
Old 01-05-2009, 12:13 PM
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tim@SP
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You can send it to Sound Perfromance. we can take a look at it and give you a quote.

Thanks!
Tim
Sound Performance
Old 01-05-2009, 12:18 PM
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Cass007
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Larry - Send a PM to phunk. I remember seeing in his sale thread that he gets his rebuilt in Florida somewhere, they may be close to you. Good Luck - Chris

What haven't you broken lately???
Old 01-05-2009, 12:21 PM
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Crom
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These guys offer direct replacements and rebuild the APS and greddy ones.
http://www.atpturbo.com/
Old 01-05-2009, 12:34 PM
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phunk
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there may be other quality options, but over the years the only reliable and quality place i have had rebuilds done for my car and others is at forcedperformance.com in florida. they were not the quickest with my greddy twins, but they did a good job and somehow even got the corrosion off the center section and it looked like fresh new castings... was around 900 for the pair, needing no replacement parts... if you need any new wheels it can go up fast
Old 01-05-2009, 12:41 PM
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Sharif@Forged
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Originally Posted by phunk
there may be other quality options, but over the years the only reliable and quality place i have had rebuilds done for my car and others is at forcedperformance.com in florida. they were not the quickest with my greddy twins, but they did a good job and somehow even got the corrosion off the center section and it looked like fresh new castings... was around 900 for the pair, needing no replacement parts... if you need any new wheels it can go up fast
I second that for Forced Performance. They have rebuilt more Mits turbos that anyone in the business. They are extrememly well known in the Evo community.

Last edited by Sharif@Forged; 01-05-2009 at 12:43 PM.
Old 01-05-2009, 12:58 PM
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JETPILOT
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Thanks for the answers gentlemen. I just got off the phone with Robert @ Forced Performance and he said the words before I could get them out. Crankcase pressure. He thinks my oil return linesd are pressurizing causing oil to leak out of the seals, but that likely the seals are still good and that they will stop leaking oil when I get the crankcase presure issue fixed.

I guess the modifications that I made to the PCV system didn't work very well.

Last edited by JETPILOT; 01-05-2009 at 03:04 PM.
Old 01-05-2009, 02:03 PM
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str8dum1
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u never drilled out your driver side valve cover though, right?

i think tapping the crankcase (like a vortech) and running a breather up high would work well.

sounds like you will be in good hands with the rebuild. 900$ seems like 1/2 the price of new turbos. expensive.
Old 01-05-2009, 02:13 PM
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westpak
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if the wheels are ok do the rebuild yourself, I did mine and it only cost about 100 bucks total for the kit for both turbos on Ebay
Old 01-05-2009, 03:03 PM
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JETPILOT
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Originally Posted by str8dum1
u never drilled out your driver side valve cover though, right?

i think tapping the crankcase (like a vortech) and running a breather up high would work well.

sounds like you will be in good hands with the rebuild. 900$ seems like 1/2 the price of new turbos. expensive.
No.... I never drilled out the drivers side valve cover breather hole. It won't be able to be drilled big enough to make any difference.

I don't think a breather in the crankase would work only becasue there is oil present.
Old 01-05-2009, 03:03 PM
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Originally Posted by westpak
if the wheels are ok do the rebuild yourself, I did mine and it only cost about 100 bucks total for the kit for both turbos on Ebay
Thanks Gus.. I'll look into that if I need it.
Old 01-05-2009, 05:09 PM
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ToastZ
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Originally Posted by JETPILOT
I don't think a breather in the crankase would work only becasue there is oil present.
This might be a weird [read that possibly stupid] idea, but how about tapping one or both of the covers located on the front timing chain cover to use as vents for the crankcase ?

I think the water pump cover is closest to the crankcase, not sure if there is any way for pressure to flow into that area from the crankcase.

Just a thought, not sure if it has any merit.
Old 01-05-2009, 05:23 PM
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Goin' Sidewayz!
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Originally Posted by JETPILOT
Does anyone know who rebuilds the TD05H-18G turbo's? My turbo's are leaking oil like crazy.
99% positive that Mitsubishi builds those turbos.
Old 01-05-2009, 05:46 PM
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idrmofs7
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Originally Posted by Goin' Sidewayz!
99% positive that Mitsubishi builds those turbos.
wow really, u must not of read after the op posted and yes im pretty sure we all know that the turbos are built by mitsu
Old 01-05-2009, 05:49 PM
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Originally Posted by JETPILOT
No.... I never drilled out the drivers side valve cover breather hole. It won't be able to be drilled big enough to make any difference.

I don't think a breather in the crankase would work only becasue there is oil present.

if you put it high enough in the upper oil pan it would be well above the oil level.
Old 01-05-2009, 06:28 PM
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Oil drains down the sides of the oil pan from the pistons.
Old 01-05-2009, 06:32 PM
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JAM3Z
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Originally Posted by Goin' Sidewayz!
99% positive that Mitsubishi builds those turbos.
Welcome to the FI, lol.
Old 01-05-2009, 08:12 PM
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ScorpionT
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Originally Posted by JAM3Z
Welcome to the FI, lol.
That made me chuckle.
Old 01-05-2009, 09:36 PM
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Originally Posted by JETPILOT
Oil drains down the sides of the oil pan from the pistons.
Interesting, so is it a significant amount that putting a long breather tube and filter would still spray oil everywhere
Old 01-05-2009, 09:51 PM
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JETPILOT
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It's something I don't have the answer to. I don't know the quantity of oil in the pan when the motor is running, and I don't know what happens to the oil in the pan under lateral G's. I don't know how much oil runs down the upper oil pan walls draining back from the heads/cylinders.

There doesn't seem to be any benefit of venting the crankcase at the oil pan vs. the valve covers since the pressure in the valve covers is the same as the pressure in the crankcase since the oil drain passages link the crankcase and valve covers to form a single space between which crancase pressure can flow uninhibited. So the place to vent is the valve cover.

What is amazing to me is that I am the only one with this problem. This might make me sell the car. I don't want to deal with this anymore.


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