Calibra aerodynamics

[dhdev]

Right I'm not talking about massive spoilers here, but instead about reducing drag. Nemesis posted a video a few weeks back ( http://youtube.com/watch?v=G_NNeY7B8HU ), which states that the 8v calibra had a drag co-efficient of 0.26, whereas the 16v model was 0.29 due to enlarged grill. I've never noticed a difference in the grilles on calibras, does anyone have pics? Is it possible to fit an 8v grille to a 16v? The vid also mentions an undertray, should this cover the bottom of the engine bay, because mine doesn't have that (can tell by the oil marks on the road lmao ) again pics of undertray?
Already quite impressed with the mpg (40 on a run) but anyway I can improve it would be nice!

Cheers, Oli

[Tathan]

I got the impression that it was radiator/aircon and wider tyres that made the difference, although I have managed to avoid 8v calibras for long enough not to know for sure.

Re undertray, most XE engined cars had them originally, I don't think I've ever owned one with one however, it's just Haynes myth lol

[Brett]

my first Calibra 16v XE had its undertray in place. It decided to come unattached at the front during a MIG meet while we were all charging along the M5 at triple figure speeds, showering Lee69, joekont and mike hayward who were behind with a load of stoneslmaolmao

that must be 5 years ago now

[dhdev]

I got the impression that it was radiator/aircon and wider tyres that made the difference, although I have managed to avoid 8v calibras for long enough not to know for sure.

Re undertray, most XE engined cars had them originally, I don't think I've ever owned one with one however, it's just Haynes myth lol

Agreed on the wider tyres etc, will definately be partly to blame.