The Pippa Project - S2000 Powered Haynes Roadster - Converting a Downflow radiator into a Crossflow

This week on the Pippa Project - S2000 Powered Haynes Roadster, I'm finally upgrading the cooling system. To do this i'm converting the current downflow radiator to a crossflow. Doing this should improve the cooling system efficiency by around 5-10% A downflow radiator has the pressure relief cap on the hot/high pressure side of the radiator. A crossflow radiator has the pressure relief cap on the cold/low pressure side of the radiator. by placing the cap on the low pressure side the cooling system can reach higher pressures on the hot side before the cap opens. This means more cooling happens before the cap operates. This was one of the original goals of the pippa project until the head gasket blew then that became the priority. Hopefully the cooling system will now be sufficient to cools Pippa's Honda S2000 engine.

Useful links (amazon associate)
Hole saw set - https://amzn.to/3gQW40b
Clecos - These are a more common version of the skin pins I was using - https://amzn.to/2Cly7zi

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Disclaimer: This video is meant for educational and entertainment purposes only. It is in no way meant to be a set of instructions and therefore no attempt should be made by any party to recreate what has been seen in this video. Any attempt to do so is done completely at your own risk.