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Zex Nos Kit Installation
by "Wizard"
This article explains how to install a Zex dry nos kit on a 94-99
Toyota Celica GT (equiped 5SFE engine). It is very simple, but the
instructions can get quite complicated, so these instructions walk
you through the installation, thoroughly explaining each step. Reading
the instructions that come with Zex Nitrous Kits completely is recommended,
and this article should used as a supplement to the Zex Instructions....
Nitrous Basics
- Nitrous (nos)is not a fuel- if you run out of gas you cannot
use nos as a fuel. All nitrous does is add oxygen, which in turn
allows your engine to burn more fuel.
- Make sure your engine is in good operating condition (check
for error codes, have a mechanic go over it if necessary). Nitrous
puts a lot of stress on your engine, which leaves a small margin
of error. Detonation with normal fuel is bad but not normally
dangerous. Detonation while applying nitrous can destroy an engine.
- You will need special spark plugs to run nos. Typical plugs
have a long ground which will heat up, and you will need to replace
your plugs with a shorter ground plug. With a higher oxygen content
you are more prone to detonation…which can be triggered by
a factory spec plug. On my car I tried the stock replacement Bosch
platinum +4's I had to quickly take them out and because they
were very hot. I currently have the Zex Platinum cold 3 electrode
spark plugs on my car. You may consider getting "short ground"
spark plugs for daily driving (i.e. when you may consider using
nitrous) and swapping in the factory-spec plugs when you're going
on long distance driving (i.e. wont be using nitrous.)
- Another safety tip: When you are near redline DO NOT engage
the NOS.
- You must use 92 octane gas no lower and no mixing. Higher-octane
fuel has a slower burn preventing your engine from detonation
due to the extra oxygen from nitrous.
- Make sure you check all the noslines after every bottle of nitrous.
This is very easy to spot, just look for frost along the stainless
steel nos lines.
- Read the Zex manual completely for kit specific safety tips.
Ok, enough about common knowledge, lets start
on the installation….
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