Billet Porsche 993 Turbo Cylinder Head Unboxing, Review, and Factory Comparison: Part 1
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We recently got shipped some Billet Porsche 993 Turbo Cylinder Heads from Pauter to install flame rings and wanted to do a little review and factory comparison for you guys :) In this first part we'll be covering everything from how these heads are packed for shipping to all the differences you'll expect to see compared to a factory 993 Turbo Cylinder Head including valve size, port size + exhaust port shape, cooling fin thickness + the impact that can have on thermal diffusivity, etc.!
Stay tuned for the next part where we do a deep dive into the metallurgy and discuss which alloys work best for Cylinder Heads and why 🔬🧑🔬
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Here's Pauter's website if you'd like to check them out!
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Chapters
00:00 Billet Porsche 993 Turbo Cylinder Head Unboxing and First Impressions
02:07 Measuring Valve Size and Comparing to OEM
04:30 Measuring Port Size and Exhaust Port Shape (advantage of a D-shaped port) / Comparing to OEM
07:19 Missing SAI (Secondary Air Injection) Port and Why it helps you AVOID torching out your seal and damaging the cylinder head
08:52 Price Comparison and Modification Breakdown- How much would it cost to do it yourself?
09:51 Potential Issue with cutting flame rings into Factory Heads / Does the L-shaped flame ring shortcut work?
12:00 Cons of switching out your Factory Cylinder Head- Originality and Brief history of Hiduminium (Rolls Royce / WW2 aircraft)
12:50 What is that?! Crack in the Factory Head Needs a Repair Job
13:38 Cooling Fin Thickness on Billet Heads vs. OEM - Which one is better?
16:15 Introduction to Thermal Conductivity of 2618 vs. RR350 Aluminum
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Products Mentioned
Stroker Crank
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Connecting Rods for Stroker Crank
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