Mitsubishi/FP turbo?

[mattasi]

Hello, I have finished a rebuild of my Mitsubishi 20g turbo. I bought the car with this turbo on it. Anyways when I was taking the turbo apart I noticed FP logos stamped into the turbo housings. Do you think that FP modified a mitsubishi turbo? because it also has the mitsubishi star cast into the housings. When I bought the car he said the turbo was modified but he didn't know what had been done . I am just trying to figure out more info on this turbo etc...any thoughts? sorry the pictures are not the best. Anything circled in red is a FP logo, because you can't see them on all the pics very well.

 

[e85_4g63]

Can you measure the turbine and compressor wheels for us? Looks like a full td06 20g turbo with a 7cm bolt on housing (turbine), judging by the size of the turbine wheel opening on the turbine housing.

 

[Rockyp]

FP sales 20G turbos. I've never seen a 20G from them, so just call and see if they put their symbol in them. Maybe they can help you if you have the SN of the turbo.

 

[jmartinez1228]

fp red or green maybe?

 

[95dsmgsx95]

Forced Performance does sell oem Mitsubishi parts that they usually do port work on. So they just probably modified it.

 

[mattasi]

Ok, I will post up some measurements of the wheels asap. Probably later on tonight I will be able to. I know the air inlet is 3" and the air outlet is 2"

 

[JusMX141]

Probably a FP Green; old-school when actual Mitsu housings were used instead of casting their own parts like they do now. It's not a Red because the 06H turbine is unclipped.

A photo of the compressor is all I need.

 

[mattasi]

Ok, that would be awesome if it is an old school green because I was going to buy a New green from FP but I ended up rebuilding this one. Here are some pics,

 

[Boosted98gsx]

Well it's not a red, measure the inducers / exducers of the compressor wheel for us please.

 

[pj91gsx]

Fp Green

 

[JusMX141]

Definitely a Green.

 

[GsXdSmKingGsX]

Seeing how thats what I'm running, and Justin said so, its a green . I love my old style green

 

[JusMX141]

Great turbo for sure. Outperforms Garrett-based T04E50's using a DSM bolt-on turbine housing hands down in both the reliability and airflow categories. A little laggier than TD05H-based turbos, but if you're running a FP Green you're most likely at a point where you're willing to give up quick spool for peak airflow.


O.P.- when you rebuilt this turbo I'm hoping you used an upgraded thrust plate with two oiling holes and a wider thrust collar as well. The thrust loads that compressor wheel will put on a standard single-oiling hole MHI plate will cause it to fail in as little as 1k miles if you're running a boost level high enough to make the turbo worth having.

For those who may not understand:

You must be logged in to view this image or video.

 

[pj91gsx]

Justin, where can we purchase that thrust plate combination?

 

[Spoolin4Ever]

Great turbo for sure. Outperforms Garrett-based T04E50's using a DSM bolt-on turbine housing hands down in both the reliability and airflow categories. A little laggier than TD05H-based turbos, but if you're running a FP Green you're most likely at a point where you're willing to give up quick spool for peak airflow.


O.P.- when you rebuilt this turbo I'm hoping you used an upgraded thrust plate with two oiling holes and a wider thrust collar as well. The thrust loads that compressor wheel will put on a standard single-oiling hole MHI plate will cause it to fail in as little as 1k miles if you're running a boost level high enough to make the turbo worth having.

For those who may not understand:

You must be logged in to view this image or video.

Where do you get that part from? If the original is so bad, are they failing prematurely from this or am I missing something?

 

[JusMX141]

The example I showed in the photos is part of the Kamak Dynamics kit.

The OEM thrust parts work fine for off-the-shelf MHI turbos being used at "normal" boost levels, but the rotating assembly of the Green is so heavy and the turbo is intended to be used at such high boost levels that you really need to use the upgraded thrust parts.

It's the same as building your engine to make 700whp then using a stock clutch....there's nothing wrong with stock clutches when they're used in a car making near-stock horsepower; boost the HP and the clutch will be slipping in no time.

 

[pj91gsx]

How do we find them, google? Also a friend of mine said that the balance is more important on the larger turbos vs the smaller ones. I remember reading that you said the balance was more important on the smaller turbos because they spin faster. My friend has been wrong about stuff like this before. I fixed the FP green that you sent me awhile back, im going to buy a new turbine wheel and i already bought the compressor wheel, both already balanced, so i guess i should be fine? These are my first Big Boy turbos.

 

[JusMX141]

How do we find them, google?

Clicky-click

Also a friend of mine said that the balance is more important on the larger turbos vs the smaller ones. I remember reading that you said the balance was more important on the smaller turbos because they spin faster. My friend has been wrong about stuff like this before.

He's wrong.

Read the first line of the fourth paragraph.

I fixed the FP green that you sent me awhile back, im going to buy a new turbine wheel and i already bought the compressor wheel, both already balanced, so i guess i should be fine?

Theoretically, yes...but seeing as it's impossible to be too well-balanced, you can't possibly go wrong with having the rotating assembly balanced as well- especially when replacing one of (or both) the wheels on a turbo that was previously assembly-balanced.

 

[pj91gsx]

Brilliant! Also do you know the theory behind how when the turbine nut comes off a right hand thread turbo and shears the blades flat, how does it still work fine? Im thinking that it grinds it off even so it doesn't hurt it. I received 2 like that, that someone rebuilt and ran on their car. I tossed the turbine shafts for piece of mind. The previous owner said they boosted fine. They didn't have any shaft play either.

 

[JusMX141]

^ That's possible, but if there's any wheel damage at all like you're describing then the wheel in question is basically trash.

 

[Andranik]

i have the same excat turbo i bought it off someone on this forums he told me it was a 20g with a fp green compressor housing and its done by a company called turbotrix accordding to him

 

[mattasi]

Well it's not a red, measure the inducers / exducers of the compressor wheel for us please.

I was going to measure the wheels but, I don't want to take it apart again that big snap ring was a bi**h . Today I am taking out the whole front crossmember so I will measure the wheels today if I have time. Oh and go DUCKS!! Game on tonight....

Great turbo for sure. Outperforms Garrett-based T04E50's using a DSM bolt-on turbine housing hands down in both the reliability and airflow categories. A little laggier than TD05H-based turbos, but if you're running a FP Green you're most likely at a point where you're willing to give up quick spool for peak airflow.


O.P.- when you rebuilt this turbo I'm hoping you used an upgraded thrust plate with two oiling holes and a wider thrust collar as well. The thrust loads that compressor wheel will put on a standard single-oiling hole MHI plate will cause it to fail in as little as 1k miles if you're running a boost level high enough to make the turbo worth having.

For those who may not understand:

You must be logged in to view this image or video.

Hi Justin, Yea I used the upgraded thrust plate. I got the Kamak Dynamics rebuild kit thanks to your advise. Excellent Kit.

i have the same excat turbo i bought it off someone on this forums he told me it was a 20g with a fp green compressor housing and its done by a company called turbotrix accordding to him

WOW! On this pic I attached you can see a big T cast into the front of the turbo. Near the bottom.

So looking at the front of the turbo I have 3 company logos, on the compressor housing. The mitsubishi star is cast into it, the big T is cast into it and FP is stamped onto it.

I'm glad I started this post because I am so happy that I have an old school green!

FYI for those that want to know, in april at english racing we dynoed 389hp on 91 pump gas around 23.8psi with this turbo.

 

[JusMX141]

The "T" is a Turbonetics logo, referring to the company who builds the cast 90* tight elbow that is welded to the compressor outlet.

 

[pj91gsx]

"T is for turbo"

Justin, would the thrust bearing from the turbos_r_us kits be sufficient because they are made of steel and have two oiling port but the have a small colar. Have you seen these fail in a green, or is it just not worth it to find out?

 

[JusMX141]

I generally don't like steel thrust plates in any turbo. They're sort-of a bandaid for a weak thrust system which normally ends up resulting in excessive heat generated in cases where thrust wear may normally occur which will wear and distort other components of the thrust system until the turbo fails.

This is why the thrust washers explode on journal bearing PTE turbos which normally all come with steel thrust plates- too much heat generated by the steel-on-steel contact which distorts the thrust washer, causing it to split, then a catastrophic failure normally will soon follow. I'll service these PTE turbos with bronze thrust plates and if they still wear the thrust plate, then the rotating assembly is obviously too heavy to be used in a turbo with that particular thrust design.