Yes my car is a 1990 300zx with a 2008 350z motor and 6speed transmission
my 1990 300zx is idling rough what could cause this?
left rear quarter panel lift the hatch and you will find it
there is none
Yes.
A Nissan 300ZX? No
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 1990-1996 has a 3.0L V6
it should be "0.44"
http://www.zshop.net.au/Z32tech.htm
About 6 hours.
It depends on the year. The 1990-99 NA has 222HP, the TT has 280HP on an automatic while the manuel gets 300HP. The previous years are a lot weaker. The 300ZX Turbo made before 1990 has less horsepower than a Naturally Aspirated 300ZX 1990+