Ok the bbk intake what kind of difference does it make? Also so you favor the 347 over the 331? I want it to scream down the dragway but I want also be able to goto the store with it or maybe a little crusing. ANother thing IF i went with a 351W, I have seen 2 differetn size stroker kits for it. What computer would I use for it? The computer out of the vehile it came from or what?