Hey look, he really is building a Holley scoop for that thing.
And believe it or not, I've also got an ancient box of SIG powdered balsa. I came across it while working a late friend's estate and I had to have it. I'd never heard of it before.
And you betcha, that cowl is going to do plenty for you even with the side exhaust. Every little bit counts. Shoot, style points alone will let you add 10 mph onto your readings!
Dave