Yeah... It would be nice to have for 20V too.. but the only way now is to DIY a transparent window.
Btw, try imagining how cool it would be to have a transparent valve cover as well... I think Lexan should be able to withstand the heat... but not too sure about it.
I recently purchased a '79 Savanna and am looking to restore it. So first things first: the engine. I've read that 13btt (Glen) is the man when it comes to re-building engines and I'm interested in...