I have a 1975 Luv and I am trying to figure out the purpose of this sleeve in my intake manifold. It seems like it would impede airflow through the manifold. Does it help with fuel vaporization by directing airflow onto the hot manifold? Also note the direction the cutaway at the bottom faces, the pictures have it installed in the correct orientation. I am running a Weber carburetor, would I be fine omitting this part with my reinstall or would it have little effect on the carburetor performance.
Thank you for any replies!
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