The system that I already have the molds for does not require any cutting of the decklid. Since the outside physical parts of the shroud have already been completed (Joe did this before he died as he was working on a 911 system that actually worked with even air distribution) I only need to take the time to test it the way that Sandeep has and right now I have other priorities that are more important like a heater box exhaust system and my Billet heads.
I don't know if we can ever get a 911 system that will beat a DTM, it is my goal to make them exactly the same but I do believe the DTM will win the challenge in the HP loss from the fan category due to the radial fan primarily. I have an idea for this that would release pressure within the upper plenums of the shroud at high RPM when pressure with the axial fan skyrockets and reduce the HP loss- You'll like it.
Sandeep is having an easier time doing his work than I had imagined. Sandeep you should send me that shroud for a heavy load test when you are all done toi see how the mods impact the cooling on a bigger engine on the dyno. I now have my logger in place and can measure the temps much faster and easier. That would be a fun comparison.
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Jake Raby
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