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Help ID these Turbo Units

Hi Guys,
I have two turbo units that I need hel to ID and assess:
#1. Left unit-Off my 3.4 (3.2 turbo conversion) motor curently being rebuilt;
#2. Right unit- Spare never used by me, rebuilt in 2003-04.

#1 is ID'd as a K27



#2 looks like a smaller unit (K26??) which has been modified/rebuilt at least twice.







Questions:
#1. Is this a standard K27? If you can't tell, what do I need to do to determine this? Also, the cold side wiggles a tiny (I emphersise tiny) bit but the motor did not smoke the last time out at the track-is this serious or should I take a chance lnd leave it for now?
#2. What do I have here? Is this turbo any good for midrange power?
Comments please.
Thanks.
Uwon

Old 08-24-2012, 08:26 AM
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Sorry, last pic is the hot side vane from the K27(#1).
Uwon
Old 08-24-2012, 08:35 AM
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#1 the k 27 is a 7006. good turbo for 400-450 hp
Old 08-24-2012, 09:42 AM
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Quote:
Originally Posted by xbmwguy View Post
#1 the k 27 is a 7006. good turbo for 400-450 hp
I've been running a 7006 for years. Good for top end power, won't run out of steam. The trade off is it will take a little bit longer to build boost vs. the other popular K27 7200, but then the 7200 will run out of steam sooner.
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Old 08-24-2012, 10:32 AM
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Quote:
Originally Posted by Uwon View Post
Questions:
#1. Also, the cold side wiggles a tiny (I emphersise tiny) bit but the motor did not smoke the last time out at the track-is this serious or should I take a chance lnd leave it for now?
Uwon
Don't worry about a tiny bit of wiggle. The internal bushings are designed with a pretty wide clearance to the shaft and will show a very small amount of movement when bench-testing (when placing pressure sideways to the shaft). Once the engine is running and pressurized oil is fed to the bushings, the shaft will actually float in the oil and center itself. Shaft movement end-to-end parallel to the direction of the shaft should not be noticeable. If so, then the thrust washer has worn.
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Old 08-24-2012, 10:40 AM
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Xbmxguy and Mark,
Many thanks for your input and ID. Yes, this 7006 ( never knew it was so referred) has plenty of oomph. I hit the red line early up the back straight at Mosport- 265 kph or 165 mph with an '86 915 trani. The shaft does not move laterally so, Mark, I have taken your advice and have already bolted it on the motor.
Now the remaining question is what to do with turbo #2. Is this a boat anchor?
Uwon
Old 08-25-2012, 05:13 PM
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The other looks like a 3LDZ which is stock 930, but if you say it's been rebuilt then it may have been modified? To be honest it's not really good for anything other than a door stop...... The 7006 is good for a CIS car as stated above, not the hieght of modern turbos, but perfectly usable for a good 400+ at 1.0 bar, which is safe and reliable using the stock internals and a well tuned fuel system...
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87 930, 993 turbo engine, RS Tuning 520PS/515lbf-ft, Arrow Rods, ARP hardware, Solid lifters, G50-50, RS Flywheel, 890nm Sachs clutch, RSR coil overs all round, 993 C4 calipers front, 930 fronts on the rear, Ruf Speedlines.....
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Old 08-26-2012, 05:59 AM
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JBL930, many thanks for your input. Thanks to all for answering all my questions. Cheers.

Old 08-27-2012, 06:08 PM
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