Race cars in
AO Silver Member
Join Date: Oct 2007
Location: South Africa
Re: Upgrading a 146
It very much depends on what engine you have in your 146. If you have a TS. don't bother with the cams - you have VVT.
The quickest will be to plonk in a free flow de-cat exhaust - induction kit and then squadra chip and re-map.
Doing any of those in isolation will not help. Power is very much related to how well the car can breathe in, breathe out and of course actually USE the extra air.
Next step will to flow the head. Then if you have an oldish (<99) 2.0L you can put in a newer (>01) 1.8 crank - they are lighter stroke, etc all the same - hence more power.