nitrous setup on 318

You also need a GOOD ignition system. If you don't already have an ignition box, I suggest the Mallory Hyfire VI. It has 2-stage rev limiter, window switch, and timing retard all built in. And they are programmable with a keypad vs the 'pills' you have to buy for MSD boxes.

The window switch is important. It allows you to set a minimum and maximum rpm limit that nitrous will spray. If nitrous comes on at too low of an rpm, you can get a nitrous backfire. Turning the nitrous off just below your shift point saves wear and tear on your transmission clutch packs.

I also recommend a bottle warmer and a blanket. The setup I have is Nitrous Express. It has a pressure switch that controls the bottle warmer. Some 'optional' accessories are a remote bottle opener, dash mounted pressure gauge, and a purge solenoid. If you race at a NHRA track, you may need a blow off tube to vent to the outside of the car.

With a 100 shot, you will only get a few 1/4 mile passes on a 10lbs bottle. Depending on what kit you buy, you may be able 'upgrade' to a 15lbs bottle.