i am chaning my 88 4x4 auto blazer to a stick, i think i have everything i need, almost. I was told i will need to reprogram the computer could anybody give me any more information on this. i saw allot of info on here regarding the details of programing but im not sure what i actually need and whould have to do. do i just need to change to fuel map, do i need to replace anything? i saw so many different options i dont really know what i need. Any info or suggestions you guys have will be great, thanks in advance for any help.