columbia, i will answer your question, sbc complete long block, $750, and 300 h/p. parts every where and cheap, ford flat head, $3500and maybe 150 h/p, parts very scarce and expensive, now before you roast me i was just answering your question as why people go to the sbc, i personally love the flathead engine, and have a 39 delux coupe that is all original, and wouldnt take any thing for it