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Old 05-16-2020, 05:18 PM   #8 (permalink)
Master EcoModder
Join Date: Nov 2017
Location: Australia
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I've decided to put this project on the shelf. The amount of work to make it is too high I think in the context of the risk it won't be successful.

I think it might be better to roughly make two inlet manifolds from steel tube, each replicating the runner lengths/diameters, plenum chamber volume and throttle body size of the ex-Falcon changeover manifold, and then test them both on my dyno. Obviously they can hang out of the engine bay during that testing. I could MIG them together much faster than fitting the aluminium changeover manifold. But even a pair of rough steel ones would be a lot of work to make.
Modifying the Aerodynamics of Your Road Car

A really good book that should be added to the library of everyone working in automotive aerodynamics, as well as those making car aero modifications at home. - Rob Palin, former Tesla aerodynamicist
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