Since foam deteriorates over time would a neoprene seal of suitable cross section work? I had in mind something that included a hollow circular section that allowed plenty of crush distortion before sealing. Something like this sealing a cold air inlet shroud to the bonnet as its closed.
![[Linked Image]](https://www.roushperformance.com/media/catalog/product/cache/13/image/9df78eab33525d08d6e5fb8d27136e95/4/2/421826-1-555x389.jpg)
