I have my 1991 model elantra 1.6 4g61 engine. I want it to be powerfull car. It looks like there are two options at the moment. Turning the engine to 4g61T or 4g63t .. Which is easier for me than any of them? I do not know much about the engine, but I can come up with the help of your ideas, and I can easily prepare the harness stuffs. I just can not decide which option will be more for me because I am not as knowledgeable as you, please if you help i will be very happy. Especially if you tell me which parts I will buy, I will order according to it. Thank you very much for everything already.