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-   -   '80 911 SC - compression test results (http://forums.pelicanparts.com/911-engine-rebuilding-forum/836581-80-911-sc-compression-test-results.html)

mrhaydndownes 10-31-2014 10:54 AM
'80 911 SC - compression test results
 
All,

Just posting results of a recent compression test done on my car so people have a comparison point.

Car Specs and History:
- 3.0 L engine
- K&N air filter
- 200k on odometer
- 80K since engine rebuild (don't know if top end only)
- Valves were just adjusted before test was conducted

Test results:
Cyl 1,2,4,5,6 = 170psi
Cyl 3 = 165psi

Flat6pac 10-31-2014 11:57 AM
Pretty close to optimum. Freshened up at 9.3 CR, I like to see 180#
Bruce


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