Post by
krazydriver »
https://forums.nicoclub.com/krazydriver-u56503.html
Thu Jul 24, 2008 4:10 pm
^ To partially answer your question.
Most parts will have to be replaced. Staying NA i don't really see you maxing the stock injectors, so going turbo you'll need new injectors and a pump obviously. exhaust mods like headers will be replaced with a turbo manifold and downpipe.NA cams and turbo cams often have different profiles, this will have to be dealt with accordingly.an NA build usually relies on high compression, for turbo purposes low compressions is better.If you go nuts with it an NA intake is designed to maximize the speed of the air through the runners to get as much air into the cylinders as possible. A turbo intake manifold doesn't care about speed it cares about flow, your forcing the air into it. (hence forced induction)
So if you actually did a full NA build, high compressions, high overlap cams, headers etc. you'd find you'd end up replacing most of it to go turbo. Unless you feel like having 2 engines then just swapping them depending on which you want to drive.