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Turbo opinion.

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ImJay

Proven Member
107
0
Feb 3, 2013
Richmond, Virginia
Hello! I'm sorry to bother you all here today, but I have a quirky question regarding this turbo! I got it from a friend as he gave up with building his GSX, he had a turbo he bought for $900 and willingly gave it too me, non-installed per say. Anyways I really don't know what kind of turbo it is. All I know was what I was told and seen. It's a STS turbo, 57 trim, that it's a T4 and all I know is that I would need a new exhaust Manifold with V band. Well since I am identifying it, it defeats the purpose of the thread name LOL. I was on STS website to try and find it but they have nothing on DSM, so I'm gonna guess it's a custom turbo built for another car but would work much better for a DSM. I wouldn't know, I know I would like to install this if possible, I'm already set to get me new cams, I have DSM link v3 with Speed -Density set up 880cc injects, FP race manifold on a 16g withAEM wideband (narrowband sim). I know I want to get either FP2 or kelford 272's depends on what is available on the classifieds. I know If I have to get a new mani with V band I will. I just want some opinions on this Turbo.
 

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Could you give wheel dimensions that would help give a better idea of the size, power capability etc.
 
Could you give wheel dimensions that would help give a better idea of the size, power capability etc.

If I told you I was an IDIOT, would you believe me? LOL what you just said I tried to register in my mind and all I get were sparks! LOL seriously Wheel dimensions? Size, power capabilities! All I know is from what I was told, I would have to ask my buddy on that one. All I have are pictures.
 
The measurement on the compressor and turbine wheels will help tell a lot about the turbo, as well as the AR size of the turbine-exhaust housing.

I would bet the turbo is for a domestic application as I think that's what sts mostly does but can't say for sure.
 
If I told you I was an IDIOT, would you believe me? LOL what you just said I tried to register in my mind and all I get were sparks! LOL seriously Wheel dimensions? Size, power capabilities! All I know is from what I was told, I would have to ask my buddy on that one. All I have are pictures.

we cant see the badge with the turbos specs on it... :hmm: just google the part number or report back here and we can let you know what to expect from the turbo..
 
Two things come to mind.

1) A T4 turbine housing on a turbo with a T04E57 compressor wheel is massive overkill for a 4-cylinder application.

2) Historically, 57-trim compressors are POOR performers on DSM's. Example:

They suck on a dsm. I ran one on my car. Fully built engine/cams, on e85. It was the 57trim compressor, with a t31 stage 3 turbine in a .63ar t3 housing. Precision sells it as the sc3431. It was a lag monster, and when it finally spooled it flowed a little more than a 16g up top. Complete waste of time. It also surged above 25 psi. However, the 50trim, and 60trim wheels work great on a dsm.




That in mind, this turbo has absolutely nothing to offer you.
 
I'd ditch that thing and go for a 50 trim. :) But then again, that's just me.
 
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