I own a cultus 2003 VXL model... It is running fine but I am not getting a good mileage on Petrol (8-9km/liter within city with AC) and the ac seems to be less efficient as well... Plus Turning AC on decreases the pickup highly and the car seems to be considerably slow and the RPM goes down highly as well...!
So, I am thinking to replace its engine with a G15 Engine which I think is suitable for cultus (learned this from other old threads on PakWheels). But will it be helpful in the following cases:
Improvement in AC performance - Is it the Cultus AC which is not much efficient or the Engine power is the problem?
Improvement in AC Load Performance - Currently the car feels very heavy on AC turned on, the RPM and Acceleration decrease considerably as well. Will this issue get solved with this replacement?
Fuel Economy - Currently I am getting around 8-9KM/liter with AC in city... I have heard that G15 engine can increase it to 14km/liter... Is it true?
Pickup & Performance - My cultus can do 0-80km/hr easily without AC, but it is difficult for it to go up to 130KM/hr... And with AC, I never tried to make it go above 80km/hr as I feel that engine can break at higher speed lol - Will this issue be solved as well with this replacement?
I am really worried about these things... So, if anyone can help me and guide me... I really appreciate it.... If there is any other way, please let me know as well...!
And can anyone tell me how much it will cost me??