Not2Fast: Turbo Efficiency Maps

Click here to see all the maps on one big page (beware, almost 6 megabytes of images).

Turbochargers
Garrett IHI KKK Mitsubishi

Superchargers
Autorotor Eaton Lysholm Vortech

Big thanks to

Paul Dykstra for info on IHI turbos,
Quiz on the Hardcore VW Forum for the ATP brochure,
Marcelo P. Figueira (marcelotuning) for some KKK compressor and GT turbine maps,
Roger Enns for the rare IHI compressor maps.
John Czving for Garrett brochure.
Rick Chwiendacz for tracing the extremely rare T25 maps that he only had in hard copy.
George from Greece for the other two T25 maps direct from Garrett.

Garrett

Here is a very interesting document from Garrett, including some information on interpreting turbine maps.

T25 series

Thanks to Rick Chwiendacz, who found some rare hard-copy T25 maps in very rough condition, which he then hand traced for us. George from Greece then sent me the -55 and -60 trim maps that he squeezed from someone there.

T25-45

T25-55

T25-60

T3 series

T3-40

T3-45

T3-50

T3-60

T3-Super 60

T4 series

T04B-60-1	T04B-62-1	T04B-H3	T04B-S3	T04B-V1/V2
T04E-40	T04E-46	T04E-50	T04E-54	T04E-57	T04E-60

T series

GT series

Garrett has seen fit to bless us with both compressor and turbine maps for the GT series. C links to the compressor flow map; T to the turbine flow map. Here is a table of info on the GT series.

GT12 C T	GT15 C T	GT20 C T	GT22 C T	GT25R C T
GT25R-40 C	GT28R C T	GT28RS C T	GT30R C T	GT30R-71 C T
GT32 C T	GT35 C T	GT35R C T	GT37 C T	GT40-50/54 C T
GT40-56 C	GT40R C	GT42 C T		GT60 C T
Quiz sent me an ATP brochure with the GT30R maps, and a pair of dyno runs from them comparing it with a T4-60/T3 (beware that this is what we would call an "uncontrolled document" at work, having no idea what the specifics were for each run). The GT comes on a little earlier, and then proceeds to build a lot higher. Still in pdf format for now. GT30R: Maps Dyno runs

IHI

IHI = Ishikawajima-Harima Heavy Industries.

IHI documentation is pretty crude, just outlines of the operating region without any efficiency curves.

Maps and Specs

Some comments from Paul Dykstra on used IHI turbos:

If you are junkyard shopping, look on the turbine inlet on the bearing housing side for a cast-in "R5". This indicates the the turbine housing is made from high nickel, high temperature material (D5-Niresist). Also cast into the same area is a P#, this is the A/R in mm²/mm. It can be converted and compared to other turbines, which are more typically in²/in. [efahl: Just divide it by 25.4 to get the "real" A/R, for example, if you see 19 it's what Garrett would call a 0.75 A/R housing.]

Roger Enns got these two maps from an engineer at Warner-Ishi.

BRL3911

BRL4016

KKK

KKK was purchased by Borg-Warner and is now 3K-Warner.

Many of these maps are in m^3/s at 20C, which by my calculations becomes lb/min with a conversion factor of 162.04 (e.g., 0.25 m^3/s * 162.04 = 40.51 lb/min).

Thanks to the many people who sent me specific applications and part numbers listed in the table below. If you have more info or corrections, e-mail me.

OEM Installation	Turbo
VAG 1.8t 150 HP	K03-053 or -058
VAG 1.8t 180 HP	K03-026 or -035 or -042 (aka Sport)
VAG 1.8t 225 HP	K04-023
Audi 5000 early	K26
Audi 5000 late	K24
Audi 200/ur-S4	K24
Audi S4 2.7tt	K03
Audi RS4 2.7tt	K04-025/026
Porsche 951	K27
Porsche 993TT S	K24-7003/7004
Porsche 993/996TT	K16

TD04-09B	TD04-13G	TD04-15G	TD04HL-16T
TD04H-18T	TD04HL-19T	TD05-14B	TD05-14G
TD05-16G small wheel	TD05-16G large wheel
TD06-17C	TD06-20G	TD06-20G
TS04

M45	Flow	Power consumption	Delta T
M62	Flow	Power consumption	Delta T
M90	Flow	Power consumption	Delta T
M112	Flow	Power consumption	Delta T

Turbo Efficiency Maps

Garrett

T25 series

T3 series

T4 series

T series

GT series

IHI

KKK

Mitsubishi

Autorotor Superchargers

Eaton Superchargers

Lysholm Superchargers

Vortech Superchargers