Hello friends I have a Chevrolet Malibu 6 cylinders in line of 250 inches The fact is that I want to adapt a small turbo one of Spirit R/t The detail is that I do not plan to touch the makina since it does not have much to adjust complete to appropriate its more than 30 years the engine is still in std less the cylinder that opens to 40 the engine was 4.1 lts but if it is necessary to To make the point it is not like adapting it but does not come as calculating it to the precion of the turbo does not know how many pounds (PSI) is the turbo if the pounds are continuous oh if they increase according to the acension and how many hp increase by inch cubic cubica what I do not know it is to rebel the engine if I pass me I hope and can help me as much as your comment is.