Ignition and fuel system are in good shape..Exhaust system will be changed! (I'm going to sweden! half the price! I believe Norway is the most expensive country in the world for a car owner!

I belive that the cat. is the most plausible cause of my problems!
Before I got the car, it was used only on short trips! max 5-10km!
If terminating/changing the cat. doesn't work, compression test and double-checking both fuel pumps are next on the list!

(And at last, when everything is working properly, an ASR defeat switch)

Back to rebuilding the air intake:
A member of the MB club I'm in has had a dyno run of his E280 (M104) after making the same modifications I'm considering!
Results:
_______________Stock____Dyno____Calculated(bhp)
DIN Horsepower__193_____168,9____202,7
DIN Torque Nm___270_____238,1____285,7

Calculated with 20% powerloss.
Air-fuel ratio 13,5-13,8 at max throttle..
This is a stock car!



ES