I completely understand what you guys are saying but ive been through the ac delco's, accel, and now tr55's and im being completely fu**ing serious this is the best its ever ran im not trying to argue im just saying this is by far the best its ever ran i mean **** i just beat a 396 big block 3/4 ton pick up but the truck has a reputation its beat me like 6 times and today the first time after the v power swap it ran so much better and left him in first and second gear then traffic invaded and i was still pulling away so yeah i think ima stick with these besides before january it should by all means be supercharged so why swap now? know what i mean