Hi all,
I've just recently had a newman cam and solid lifters, double valve springs fitted to my S2, and now everytime I start it from cold, it struggles to idle and basically runs shit

It also chucks out loads of smoke from the exhaust when revved...

I had a pooper cam in it before, and never had this problem!
Once the car is warmed up, it runs fine, with no problems!
Any one had the same thing happen to them, no how to fix it???
CheeRS