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Registered
Join Date: Oct 2001
Location: San Carlos, CA US
Posts: 5,514
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what to expect when opening a 914-6 engine
Hi
I am about to open up a running but tired (compression and leak down yet to be confirmed) 6 cylinder engine from a 1972 914-6. Other than the conventional things to look for, what should I look for in a 2.0L magnesium case flat 6? bad oil pump? cylinders / piston clearance crank shaft, journals, bearings Rods bearings, bushings, case / studs / warpage cam shafts measurements rocker arm bushings valve job
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Porsche 2005 GT3, 2006 997S with bore-scoring Exotic: Ferrari F360F1 TDF, Ferrari 328 GTS Disposable Car: BMW 530xiT, 2008 Mini Cooper S Two-wheel art: Ducati 907IE, Ducati 851 |
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02-23-2013, 06:38 AM
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Registered
Join Date: Mar 1999
Location: Des Plaines, IL USA
Posts: 79
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It really should be the normal clearances of wear parts, etc. As the 2.0 liter engines were not very stressed in comparison to later engines, they seem to do pretty well. Depending on the compression and leak down numbers will guide you to possible problem areas if there are any.
Bruce Anderson's book "Porsche 911 Performance Handbook" and Wayne Dempsey's "How to Rebuild and Modify Porsche 911 Engines" should give you all the wear information you would need. |
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02-23-2013, 08:00 AM
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