ok, ive decided to do a 393. but i found the kit onsale on coasthigh.com, where do i start like planning the rest? do i gotta pick a cam first then heads or ???? im lost, last motor i built was a 383 chevy stroker, it was cake 580lift cam camel back heads and a edelbrock intake n carb and down the road i went, but theres to many choices now, im lost in it all