seveninphilly

iTrader: (7)

I some help figuring out exactly what this turbo is. I got this from a VW friend who was running it on a VR6 corrado. I checked on the turbonetics web site but i'm still not clear which turbo it is.

Here is the compressor wheel small diameter is 2.25" the large is 3.00"
<img src="http://home.comcast.net/~privatestock/compwhl01.jpg">

The housing has a 2.75" inlet and 2" outlet and about a 6" overall diameter
<img src="http://home.comcast.net/~privatestock/comphouse02.jpg">

The backing plate (not shure what its called) 5.25" is blue it looks like the bearing is toast
<img src="http://home.comcast.net/~privatestock/compback01.jpg">

<img src="http://home.comcast.net/~privatestock/compback02.jpg">

The exhaust side wheel has a small diameter of 2.25" the large is 2.875"
I was wondering if this is a "big shaft" or not

<img src="http://home.comcast.net/~privatestock/exhwhl01.jpg">

<img src="http://home.comcast.net/~privatestock/exhwhl02.jpg">

<img src="http://home.comcast.net/~privatestock/exhwhl03.jpg">

The exhaust housing seems to be cast with A/R .68 or .58 its hard to tell
it also looks to be stamed with a O

<img src="http://home.comcast.net/~privatestock/exhhouse01.jpg">

<img src="http://home.comcast.net/~privatestock/exhhouse02.jpg">

<img src="http://home.comcast.net/~privatestock/exhhouse03.jpg">

The turbo needs to be rebuilt I guess i'm just wondering how this turbo would perform on a stock port S4 TII or if this is a square peg in a round hole. As you can tell i'm new to the turbo world so any help is appreciated

Thanks Josh

Wargasm

Just based on the measurements and so forth, I'd say this is a T04E 57 trim... The reason I think this is that www.turboneticsinc.com lists the measurements for that compressor at

2.230 small side, and 2.950 large side (within the accuracy of your measurement)

In addition, one of the compressor cover options with that turbo was the 2.75 inch inlet.

The exhaust side would be too small for your TII in my opinion, unless you just wanted 5-10 PSI of boost or so.

seveninphilly

iTrader: (7)

I'm looking for a daily driver set up with enough punch to keep me entertaineted for a while. I'd like to be in the 250-300hp range.

RacerXtreme7

iTrader: (2)

That is a 60-1 HiFi. The comp wheel is definately a 60-1 do to the fin count (7paired) and the measurements you gave I assume were ROUGH. The 60-1 has a 2.324" inducer and 3.000" exducer. If you measured from tip of one fin and tip to other I could see you getting the 2.25"measurement because theres 7 paired blades and 7 being an odd number, the blades accross from one another would not be directly across. That is a HiFi comp housing.

A Blue backplate represents a dynamic seal with standard shaft (so no, its not a big shaft). Big shaft would have a gold backing plate. If it were a red backing plate, it would be a standard shaft carbon seal.

I also assume your turbine measurements were off or approximated as well for it fits no turbines exact measurements. It is a T4 and not a T3. It could be either a P-trim or an O-trim. P being suited good for a rotary, the O being too small. O-Trim = 2.296" 2.922" P-Trim= 2.544" 2.922. Its most likely a O-trim

The turbine housings is much too small for a rotary and its also an on-center type. The on-center types flow less then the tangical, so you'll lose spool AND top end. Not to mention, finding a manifold for an On center turbine will be difficult, most if not all are for tang turbines.

If the guy is selling it dirt cheap, it might be worth it if you can rebuild it your self and buy a different turbine housing for it. Thats if its a P-trim, if its an O trim, figure in the cost of buying a turbine wheel as well, then it might not worth it. Send me a PM ofthe price if you wish not to buy it. I may be able to use some of the parts.

~Mike.............