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TO4E Wheel Sizes

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Old 09-13-04, 07:50 PM
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TO4E Wheel Sizes

I am trying to figure out the difference between. A TO4S, and this TO4E I would like to get my hands on.

To start, Here are the specs that I have on the two turbos:

TO4S (from HKS USA):

COMPRESSOR:
-Wheel- 60 Trim - 59.0 Inducer / 76.2 Major
-Housing- 100 Inlet / 60 Outlet - 0.70 A/R
TURBINE:
-Wheel- 76 Trim - 74.2 Major / 64.7 Exducer
-Housing- T04 inlet / 65.75 outlet - 0.84, 1.00 A/R

TO4E:

Compressor:
4"inlet, 2.5" outlet
Wheel 2.00" (50.8mm) Inducer / 2.95" (74.93mm) Exducer
A/R .70

Turbine:
P-trim A/R 1.00 divided

I am not very good with trim and comaring wheel sizes. So I am having difficluty figuring out what I can expect from this particluarTO4E. This turbo would be on a stock 13b-RE. Would this be a good choice? or is that compressor wheel too small?

Assuming these wheels are too small, is si possible to change the wheels to the specs as a TO4S or R? Would they fit in a TO4E .70 compressor housing?
Old 09-13-04, 11:36 PM
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According to your numbers, that would be a T04E 46-trim wheel. It is quite small for your setup... Hmm, I've never seen anyone run a T04S housing with a T04E wheel though. That's a first for me. I'm sure most turbo shops would be able to machine the compressor housing you have to fit the 60-1 wheel (T04S wheel).

Here is the list of wheels and their measurements: http://64.225.76.178/catalog/comp_wheels.html
Old 09-14-04, 10:17 AM
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Thanks Infin, greatly apreciated good link.

Would a TO4S wheel fit the 0.70 a/r TO4E housing?
Old 09-14-04, 03:13 PM
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Hmm, to not get you confused, "T04S" usually denotes the compressor housing (.70 A/R, 4inch inlet, 2.5inch outlet). When this compressor housing is coupled with the T04B 60-1 wheel, the whole turbo is usually called the T04S. There really is no such thing as a T04S "wheel" (sorry to confuse you from my previous post).

Now to answer your question. Yes, a 60-1 wheel can be made to fit inside a T04E housing through machining the housing.
Old 09-15-04, 12:32 AM
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So this TO4E i am talking about is really a TO4S?

because the compressor housing specs are exactly as you said (.70 A/R, 4inch inlet, 2.5inch outlet)

The auction is over, but this seller will most probably put it back up for sale again.
here's the ebay link:
http://cgi.ebay.com/ebaymotors/ws/eB...RK%3AMEWA%3AIT
Old 09-15-04, 10:10 AM
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From the specs, HKS T04S has the 60-1 compressor wheel. Very common and good compressor for FC's. That is the one you want.
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