Pcv valve is on the bottom sides of the intake plenum. Look under it by both strut tower locations and you should see two lower hoses that run right thru it. It screws right under the plenum...
check your idle control valve located behind the engine
Yes.
The "1990 Nissan 300ZX" was a very popular model in it's time. The "Card ID" website noted the carrying capacity of the "300ZX" was noted to be a hefty 1500 pounds.
A Nissan 300ZX? No
http://www.zshop.net.au/Z32tech.htm
226
On the underside, passenger side, of the transmission.
it is located on the transmission itself
wheel
270 CC
type2
No, you will die.