You can buy the repair CD at many places but I will copy mine if you pay postage. Tomballpi@gmail.com
or you can go to http://300zx-twinturbo.com/cgi-bin/manual.cgi there is another site where you can download this entire manual but i cant find it now, you can print whatever you need off of here, and it is for non turbo models also
You can find a vacuum diagram for your 1987 2.4 liter nonturbo engine in most service manuals. The service manuals can be found at your local library.
You can find a one line vacuum diagram for 1997 Nissan 1.6 liter engine in the owner's manual. You can also find it at various auto stores.
AUTOZONE.COM
I own a 97 pickup with a ka24e and the vacuum diagram is right on the hood. But a local Nissan dealership should be able to print a copy of one from their service manual for you.
The vacuum line diagram for a 1988 Nissan Z24i can be found in its maintenance manual. It can also be found in the cars repair manual.
buy a haynes book
When replacing or making changes to the vacuum line of a car, it comes in handy to have a diagram. A diagram for this cars vacuum line can be found in the maintenance manual.
in a haynes book
Which vacuum diagram The Underhood for the engine or the vacuum for the interior /AC system?
haynes repair book at auto parts store or get a Nissan truck service manual,check eBay .the dealer wants 75.00.
That info is on pages 18 and 19 of the EF(Engine fuel) & EC(Emission control)section of the 1987 Nissan Truck/Pathfinder service manual.
get a webber carb idid it runs so good