Originally Posted by slickboy
........Hope this clears it up a little for you.
He's basically right... but here's how it breaks down, model by model for the Nissans. I'll use 1995 as an example model year.
200SX....powered by the SR20DE [SE-R] 2.0L displacement
240SX....powered by the KA24DE [all], 2.4L displacement
300ZX....powered by either the VG30DE or VG30DETT... in either case, 3.0L displacement.
As you can see, this isn't rocket science.

h: In short, that friend of yours needs to crack open a few books and learn a few things before talking.