8
EN
5.2 Fuel injector installation
O-ring style injectors
a.
Lube the upper and lower o ring with petroleum jelly or ATF
b.
Press the bottom of the injector into your intake manifold injector bung
c.
Align all injectors and press the fuel rail onto the top of the injector ensuring
all of the o rings are intact and seated properly
ORB style install
a.
Lube the lower O-ring on the ORB fitting with petroleum jelly or ATF
b.
Carefully thread your ORB fitting in to the threaded boss on your intake
manifold
c.
Lubricate the upper o-ring with petroleum jelly or ATF
d.
Make sure all injectors are aligned properly and press the fuel rail onto
the top of the injector
AN feed style install
a.
Carefully thread your AN line to the top of the injector
b.
Snug the AN line with a wrench to prevent damage to the fitting
c.
Lubricate lower o-ring with petroleum jelly or ATF
d.
Carefully press your injectors into the bungs on your intake manifold
Double AN style install
a.
Carefully thread your AN line onto the top fitting of your injector
b.
Tighten the upper fitting with a wrench to prevent damage to the fitting
c.
Carefully thread your AN line to the outlet of the injector
d.
Tighten the lower outlet an line with a wrench to prevent damage to the
fitting
IMPORTANT
Once installed, pressurize the system to inspect for leaks
before starting
NOTE
In some cases, it will be necessary to increase the diameter of
the injector fitting holes in the intake manifold.
