ive have been reading a few tips on how to improve the perfomace of the 1.8 silver top im about to fit to my ka , now ive heard 2.0 cams can make a diffrence but would like to know if this is true , can anybody confirm this and any other tips you have , btw im going to be running twin 40s with a megajolt system

 

i wouldn't of thought they would make that much difference on there own