I've already posted about this awhile back however I cant figure out for the life of me how to find the original post (sorry Im a noob). I have a 71' chevelle and im trying to decide between a big block or an ls/lt. The car currently has a bone stock 2 barrel 350. Ive narrowed it down between a 540 using a dart block and an ls7/lsx454 or lt4. The car will be driven a few times a week depending on the weather and is not seeing the track or strip. The power goal is around 600hp/tq as long as its streetable. Id like to keep the build n/a but im not opposed to boost. My budget for the engine and tranny would probably be around 15k though i wouldnt mind throwing a couple of more to get exactly what i want. I pretty much want a mean sounding, overpowered cruiser. Please let me know what you guys think and happy new years.