Is this a T3/T4?

[wannawangan]

I just got this from a neighbor the other day. I've emailed Turbonetics to help me identify the turbo. Can anyone confirm that this is a T3/T4?

Thanks for the help!

**David

[wannawangan]

Turbine Side.

[wannawangan]

Flange View.

[wannawangan]

You can clearly see the size difference.

[turbo2nr]

that looks like a t4 exhaust flange

[wannawangan]

that looks like a t4 exhaust flange

The T4 flange is much larger than that. I went to the JGS Precision Turbo website:

http://www.jgstools.com/turbo/index2.html

After reviewing the site, I believe that it is a T3 flange. It's the compressor I am not too sure about. I did compare it to a RB26 T28 as it does have a T3 Compressor housing so I am more inclined to believe that the Turbonetics unit is a hybrid T3/T4.

Anyone care to comment?

**David

[wannawangan]

Check out the flanges. The T28 is on the left.

[wannawangan]

Here's a turbo to turbo comparison pic.

When I took the Turbonetics compressor off, the compressor wheel was huge. Not something I would expect to see on a normal T3, even with the largest Garrett trim available.

[babowc]

do ya have any serial # on the turbine or comp. side?..if you could put a ruler or something by the flanges.. it'd help alot..

i recently had one from turbonetics paired with garrett and yours look pretty simlar to one i had..mine was a t3/t40b or something..

and i emailed you about the rb26 t28.. lmk.

[S14tat]

yeah the compressor is definitly a T04B compressor with 7 blades. the turbine is from a T3 as well. so yeah i'm 95% sure that its a T04B/T3 turbo.

edit: just looked look at the size of the blades, it looks like a S trim compressor 9 the smaller one. take the housing off. a S trim will have the minor compressor diameter of 1.9 inches, and the V trim will have a minor diameter of 2.2 inches, and the H trim will have a minor diameter of 2.3 inches.

[wannawangan]

Where did you get your wheel inducer and exducer measurements from? Just need to know as a reference for trim identification. Thanks for the info. I will have to open up the compressor again and take some measurements.

Thanks for your help!

**David

[wannawangan]

Not sure where the serial number would be located, however, I do see some numbers on the inside part of the compressor outlet. 20192 is what it reads.

You've got mail.

[wannawangan]

Based on the number on the compressor, the Turbonetics website identifies the compressor as a T04B housing.

http://www.turboneticsinc.com/pa_comphous.htm

Trim type/size is likely an H due to the size referenced in IWannaS15's link.

H Trim Major diameter = 2.750"Super H Trim Major diameter = 3.00"

According to my neighbor, this turbo was used on a 81'-82' 280ZX Turbo. It was an upgrade from the standard T3.


Modified by wannawangan at 12:41 PM 5/16/2006

[S14tat]

yeah i have a spare turbonetics cateloge in my house and thats where i got my numbers from. but damn if you have a H trim that is the biggest freaking T04B you can get. that thing flows like 53 lbs of air/min

[hannibal]

http://www.turbocharged.com/catalog/Default.htm

Look down for the 'Compressor Wheels & Housings'...

[wannawangan]

yeah i have a spare turbonetics cateloge in my house and thats where i got my numbers from. but damn if you have a H trim that is the biggest freaking T04B you can get. that thing flows like 53 lbs of air/min

Yeah. I was surprised when I saw how large the compressor wheel was. I will take some pics of the wheel when I get the compressor housing off.

[wannawangan]

http://www.turbocharged.com/catalog/Default.htm

Look down for the 'Compressor Wheels & Housings'...

Based on the link you referenced (thanks, by the way ), and using the serial number on the compressor housing, I see that the H Trim wheel is used for the T04B housing.

[wannawangan]

Referring back to the same turbo, I have yet to find out what kind of turbine housing and trim I have. All I know is that I have a standard T3 flange. There is also a number "2" stamped on the inside wall of the turbine inlet. The only other number I see is the a/r of .63.

[Chezedik]

Looks like T3/T04e or maybe a little bigger, what are the A/Rs?

[wannawangan]

It's a TO4B based on the serial number found on the compressor housing and it's corresponding reference in the Turbonetics online catalogue. It's an H-trim based on the size of the compressor wheel outer diameter size (information posted in a previous post). It's a T3 turbine simply based on the flange size. A/R of the turbine is .63.

[Chezedik]

Huh, I have a T04b and it doesn't look that big. Then again, I never sat it next to a T25.