Deciphering KKK numbers - Shout out to Goran, Craig, Rarly and other gurus

[1986911]

Old thread but same problem. What is this? From the 7200 it looks to be a K27 but whats the deal with K2? Its installed in an 89 930.

[proffighter]

Normally there is K27, it's in the box "Grösse" (means size), so I suggest there is only a "7" missing. Maybe try to look more precisely if it's there

K2 would, if exists be very small

[Falk930]

Here a copy from a old threat at rennlist regarding my K27 turbo.
Maybe we can collect the different KKK data.

--------------------------------------------------------------------------------

I recieved some more info on my "exotic" turbo:

935.123.025.01
K27.2 - 3004G11.11
90011 0059
5327 999 1206

Borg Warner indicate this part as a prototype
for Porsche Motorsports.

One interesting point is that the casted turbine housing
contains more NI (nikel) to allow more heat for motorsport
applications.

For dimensions:

The turbine wheel outlet is 60mm, same as K27 7200 in a 11.11 housing
The compressor wheel size is extracted from the 3004 number , its the first
30, which says 30x 1/10 inch = 76,2mm.
Same as K27 7200

Only the trim, extracted from the 3004, here the 04 seems a little
uncommon.
These last two digits give the percentage of the compresor gradient.
In this case 4%.
The K27 7200 has 72 %.
Whatever that means in performance??

Maybe the specialists can comment this?


Overall the BorgWarner people feel, that this turbo was
one of the prototypes for the K27 7200 tested at Porsche Motorsport.

Falk

[1986911]

Thanks for the replies. I just started a thread to get some info on Imagine Auto. This turbo was from them, they have apparently closed so its kid of a dead end. It was installed by the PO back in 2004 along with a 360 hp kit.

Thanks