How to Rebuild a 911 Cylinder Head. Lesson 3, Valve Springs
08/27/2020 No Comments
Air-Cooled 911 Valve Spring Valve springs control the valvetrain. It is valve spring pressure that forces the valves to stay in contact with the rocker
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How to rebuild a 911 Cylinder Head. Lesson 2, Intake and Exhaust Valves
08/24/2020 3 Comments
Intake and Exhaust Valves This is Lesson Two from an Eight part series. In Lesson One, we covered the cleaning and disassembly of the cylinder
How to Rebuild a 911 Cylinder Head. Lesson 1
08/17/2020 No Comments
When it comes to the Porsche 911 cylinder head you will rarely find a set that has been untouched. Follow along with this 8 part series to fully understand the air-cooled 911 cylinder head.
How to calculate Engine Compression
08/11/2020 3 Comments
Why do you need to Calculate Engine Compression? Any time that you make a change to an engine by machining the crankcase or machining the
The 911 Head Stud
02/10/2020 10 Comments
The cylinder head stud used in the 911 models is another one of those parts that has seen many different changes over the years. It
The 911 Timing Chain Tensioner, it’s history and future.
01/04/2020 2 Comments
The journey of the 911’s chain tensioner spans 20 years of development. With the 911 engine being an overhead chain driven camshaft design the need
Oil By-Pass Modification. Do I need to do it?
12/15/2019 1 Comment
Oil By Pass Modification The oil bypass modification has been around since 1975. However, it seems that it is still misunderstood in how it needs
Porsche Crankcase sealant
11/08/2019 7 Comments
What to use and why Crankcase sealant and which ones to use is a hotly debated topic among many Porsche forum posters. Over the years