my 2.1 zetec turbo in the making

bought this car as a 1800 zvh but it kept shitting the bottem nd so now i am on with making it into a 300 bhp zetec turbo and so far not so good need a little help on thing s like wre do i put the oil returns do i put them in the block or do i put them in the sump what pistons do i use and conrods every thing else i have so any help would be great Read more »