Garrett T04B compressor wheels - can't find info on provided trim numbers.

[boxh34d]

I can find info and compressor maps readily available for the following T04B wheels:
60-1
62-1
H3
S3
V1/V2

I have been in contact with a turbo supplier for different highflow trims for a supra CT26, and he has stated that he can offer a 63 trim, and a 70 trim. I can't find any info on these at all, so I'm wondering whether there are different names / model numbers for the same wheel? I would like to have a look at the maps for the different available options and see how different they are, but I can't relate the provided numbers to anything on the interwebs.
Does anyone have any ideas or info on the different trims available, or how they may relate to others?
Thanks.

[jonathan yee]

this has spec on one of those.
http://www.alltrac.net/tuning/turbo.html

[jonathan yee]

sorry, no maps. just sizes.

[e30-323ti]

the Trim is the ratio of Inducer to Exducer given by:

[(minor wheel diameter)² / (major wheel diameter)²] x 100= compressor or turbine wheel trim

[boxh34d]

Thanks for the replies guys. After doing some more searching around, I've managed to find the following info (on SAU of all places - who would have thought!): Garrett part #, Intake major, Intake minor, trim, alternate name (if app)
8 Blade T04B:
409179-0021, 70x48.36, 48 trim, S trim
409179-0022, 70x49.50, 50 trim
409179-0023, 70x51.61, 54 trim
409179-0024, 70x54.00, 60 trim
409179-0025, 70x55.37, 63 trim, V trim
6 blade T04B
409826-0006, 70x48.35, 48 trim
409826-0012, 70x52.85, 57 trim
409826-0014, 70x55.30, 62 trim
409826-0015, 70x58.40, 70 trim, H trim

The only other question I have is, is there any major pros or cons with using a 6 blade wheel or an 8 blade wheel?

[Mole]

In all my unintelligible research on highflow Supra CT26's, the general consensus is never go over a 60 trim, and even thats stretching it a little, cause your just taking out too much material to keep it strong and reliable. Most go 57. I couldn't even imagine how a 70 trim would fit...

[boxh34d]

Depends on the series of wheel too though. T04B wheels are only 70mm, where T04E wheels (seem to be most common for CT26 HF) are 76mm. As I understand it, a 57trim E wheel has a larger minor than a 63 trim B wheel (57.4mm vs 55.35) and a 60 trim E wheel is larger than a 70 trim B wheel (58.9mm vs 58.4).
The B series seems to move a heap more air than the E series though. T04E 57 trim is flat out moving 42lb/min @2.2PR, whilst the 63 trim T04B (V trim) will move 50lb/min @2.2PR.
Not sure how these airflow figures compare once you chuck them in a completely different housing, and at what point the CT26 turbine starts to become choked or a limiting factor in gaining additional horsepower. Currently I'm sitting on 240RWKW @ 1 bar with the T04B 63 trim (V1/V2), and according to the map, there is more left in comp wheel so I might have to have investigate further.