With nothing to do until the S/C shell arrives, I decided to try-fit the plenum mock-up in the engine bay. The plenum will be reduced in width - plus some length hopefully taken off the front - but you can see how tight the fit is against the firewall:

Future trimming on the driver side of the plenum will resolve the heater hose interference issue:

This project might be worthwhile just to have easy access to the PCV valve <img src="/forums/images/graemlins/lol.gif" alt="" />:

Checking here for hood clearance:

......it looks like a hood scoop is definitely in my future. <img src="/forums/images/graemlins/baby.gif" alt="" /> <img src="/forums/images/graemlins/wink.gif" alt="" /> <img src="/forums/images/graemlins/notooth.gif" alt="" /> <img src="/forums/images/graemlins/butwiggle.gif" alt="" /> <img src="/forums/images/graemlins/evil.gif" alt="" /> <img src="/forums/images/graemlins/kewl.gif" alt="" />

Frank