Good work James. The first vent temp and ambient numbers were a little worse than the performance chart shows for the 124, and the 124 book is all I have to go on. Your pressures sound on the money now, and of course your performance tells the real story.

I am a fan of the Master Cool issued book. I'm not sure of the author. It might be the same book.

Good luck

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2001 SLK 320 six speed manual
2014 Porsche Cayenne six speed manual

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