Manifold heat cross over physics and benifits

Logically speaking creating or encouraging porosity or derivations in the texture of a wet intake manifold does two things. One, yes it creates turbulence which may lead to fuel being agitated off the walls, into suspension which hopefully leads to atomization and secondly it doubles or triples the surface area compared to mirror smooth. This surface area is where the wetting effect gets optimized due to exposure.


Yep, pinging and carburetors boiling fuel out is a major situation.

now let me be clear, on a wet intake there does need to be factors to keep the fuel in the charge, whether its rough castings causing turbulence, plenum design and runner design, and a bunch of other factors BESIDES heat. SL6Dan is a Sharp Cookie and anyone who thinks differently needs to start researching his posts BUT he also like EGR which in the last thread maybe a couple of months ago was proven to have more major disadvantages than gains.

My point is every type is going to have +'s and -'s, the number one issues with slant six guys in stock form?? anybody vapor lock, fuel boiling in the carb, pinging, all heat related issues (in these cases).