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We went with standard inlet size on the ports, they're within 3/4mm, casting on the Turbo is actually slightly larger. You can see they've left a lot more meat on the side here to run much bigger ports. On these same cylinder heads, he'll run the the stock ports (41.5mm) / he'll run the Euro RS ports at 43.5. I know we we sized these cylinder heads up to the ITBs that Ivan was getting made up for a turbo engine. We don't really want massive ports on these things anyway- there's no reason to compromise the low speed to pick up the top end when the turbos are going to be taking care of the top end. This series is from our video Ep. 1: Billet Porsche 993 Turbo Cylinder Head Unboxing, Review, and Factory Comparison . 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 :) 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 rest of the series where we also do a deep dive into the metallurgy and discuss which alloys work best for Cylinder Heads and why 🔬🧑‍🔬 . Here's Pauter's website if you'd like to check them out! https://pauter.com/ . Products Mentioned Stroker Crank https://www.protomotive.com/wp422/product/stroker-cranks-for-930-964-993-gt3-996t-997t Connecting Rods for Stroker Crank https://www.protomotive.com/wp422/product/stroker-rods-for-porsche-911-930-964-993-gt3-996-997-1-turbo . Like, follow and Subscribe so we can keep making more videos for you. Let us know what else you'd like to hear about in the comments below. . If you'd like to learn more and see more fun videos Subscribe to our channel here: https://www.youtube.com/@protomotive . Visit us at https://www.protomotive.com Check our tech library / blog out at: https://www.protomotive.com/wp422/protomotive-tech-tips . #protomotive #porsche993turbo #porsche #aircooled #enginetuning #enginetechnology #997turbo #cylinderhead #horsepower #porsche993c4s #porsche993 #porsche997turbo #porsche911 #porsche911turbo #porsche911turbos
We've already installed flame rings in these and we're getting ready to pack them up and ship them! Ivan over at IMA is putting this engine together- he's using our 4 liter stroker crank 102 millimeter 3.8 with a 80.4 stroker crank which makes 4 liters using our crank and rods and pistons and liners. He's using ITBs (individual throttle bodies)-Motec on this. We've already built the turbo system and shipped it off. It's going to be quite the engine! This series is from our video Ep. 1: Billet Porsche 993 Turbo Cylinder Head Unboxing, Review, and Factory Comparison . 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 :) 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 rest of the series where we also do a deep dive into the metallurgy and discuss which alloys work best for Cylinder Heads and why 🔬🧑‍🔬 . Here's Pauter's website if you'd like to check them out! https://pauter.com/ . Products Mentioned Stroker Crank https://www.protomotive.com/wp422/product/stroker-cranks-for-930-964-993-gt3-996t-997t Connecting Rods for Stroker Crank https://www.protomotive.com/wp422/product/stroker-rods-for-porsche-911-930-964-993-gt3-996-997-1-turbo . Like, follow and Subscribe so we can keep making more videos for you. Let us know what else you'd like to hear about in the comments below. . If you'd like to learn more and see more fun videos Subscribe to our channel here: https://www.youtube.com/@protomotive . Visit us at https://www.protomotive.com Check our tech library / blog out at: https://www.protomotive.com/wp422/protomotive-tech-tips . #protomotive #porsche993turbo #porsche #aircooled #enginetuning #enginetechnology #997turbo #cylinderhead #horsepower #porsche993c4s #porsche993 #porsche997turbo #porsche911 #porsche911turbo #porsche911turbos
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