Your first picture is of Lee Behel's Race 5 with it's small inlets.
Below is a pic I took of Race 33 at the 2001 Reno. The towels are stuck in
the induction system intake portion of the cowl openings:
This matches the cowl picture with the split noted at the end of your
e-mail.
Scott Krueger
AKA Grayhawk
N92EX IO320 Aurora, IL (KARR)
Some Assembly Required
Using Common Hand Tools
And an eye for paint colors.