I have a 1994 del sol S model and i am looking for a cheap way to gain a little more horse power. I think the d15b will give me 130hp up from the 102hp that i have now. I want to know how difficult this swap will be and if i will need to get a new transmission. also the d15b is VTEC and the engine i currently have is not. what changes will i need to make because of this?