CITROEN CX 2500 IE AUTO

 

Efforts in reducing exhaust heat cabin inflow.

The front air intake system was found to be heating the Ventilation air up by 5 deg. C.

2003

Lagging of the vent chamber within the engine bay

No Improvement

I then decided to "improve" on Jason Leung's concept of underfloor insulation by using highly polished Aluminum on the heat shields.

2004

Alclading of heat shields & front exhaust box.

No Improvement

This didn't work, so the front muffler insulation was removed & a sandwich of woven mat either side of reflective aluminum was attached directly to the underfloor. The front muffler heat shield air gap was maintained.

2005

Insulation of floor under air scoop

LARGE IMPROVEMENT