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-   -   Leak Down Results (http://forums.pelicanparts.com/porsche-911-technical-forum/271330-leak-down-results.html)

biergut 03-13-2006 12:09 PM
Leak Down Results
 
Leak Down Results

Need opinions ...

PPI on track car ... 964 3.6

Leak down : (Cylinder 1 thru 6)

Cold: 15% 5% 12% 9% 8% 9%

Warm: 5% 5% 8% 9% 5% 9%

Hold or fold?

BierGut

Rot 911 03-13-2006 12:14 PM
Leakdown results on their own rarely tell the whole story. What are the compression results? Where was the air leaking from (sump, oil tank, etc.)?

biergut 03-13-2006 12:18 PM
Kurt -

Do not know where it was leaking from ... compression test was not performed.

Rot 911 03-13-2006 12:23 PM
Quote:
Originally posted by biergut
Kurt -
Do not know where it was leaking from ... compression test was not performed.
Then you are left with an imcomplete PPI. Cylinders 3,4 & 6 are a bit borderline, but without a compression test who really knows?

JR_NYC 03-13-2006 05:17 PM
Old relevant threads that I used a while back and bookmarked:

http://forums.pelicanparts.com/showthread.php?s=&threadid=200890&highlight=leakdo wn

http://forums.pelicanparts.com/showthread.php?s=&threadid=201414&highlight=leakdo wn

Also useful:

http://www.pelicanparts.com/techarticles/mult_Engine_Rebuild/mult_engine_rebuild-2.htm

biergut 03-13-2006 05:50 PM
JR - Thank you very much! It is very informative and is helpful with this decision.

Cheers.


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