I thought those were 1710's.
But yeah, that has been a conversion I've been mulling over for a while now.
Something else that might make for an interesting bash project is a twin-engine P40(saw a photo of that in a long ago issue of Wings). Seeing as it was taken from aft facing forward, I couldn't tell if it had a snub nose(ala Grumman F5F), or with a long nose.