Your Nissan 1991 Nissan 300zx twin turbo wont start?
no power to starter on Nissan 300zx twin turbo
location of engine # on 90 Nissan 300zx the engine number is located under the hood on the passenger side on a label if you are trying to see if you vehicle is turbo or not the engine family letter will be a T for turbo and I forget the exact letter but maybe a D if not (of course there are numbers also in this engine family number but the letter determines turbo or…
In short, no. There are a few people that have custom built supercharger kits for the 300ZX, using both roots- and centrifugal-type superchargers. But no ready-made kits are available, as far as I know. And I been looking. The general consensus is that supercharging the VG30DE is a waste of time, and that turbos are far superior.
The knock sensor on Nissan 300ZX non-turbo from 1990 thru 1996 is located below the lower intake manifold on the rear of the engine block. To replace the knock sensor the upper and lower intake manifolds need to be removed. It is always best to replace the knock sensor with a new one considering its major dissasembly.