This is the NGK Air Fuel Ratio Meter that can be mounted under
This is the
complete kit from NGK.
electronic items are needed as you must pre-heat the wide band
sensor prior to the calibration process. A 12V power
supply, digital multimeter
to check voltage and a digital infra red temperature gauge
verifies the setup.
supply puts out perfect voltage for the calibration process..
wiring harness hooked into one of my spare Ham Radio power
You want to
keep this sensor away from anything flammable or pets and nosy
warming up, but not quite where I need it.
ready to be calibrated.
calibration process begins according to the instructions.
calibration is done and it's max lean because there's no fuel in
and plug to cap it off in case you decide to remove the sensor.
Out of the
drill press and into the vise.
skim with the grinder after drilling and prior to test fitting
little more grinding to get the right area for fitting the bung
and filling with weld.
The bung is
welded in place with the cap screwed in so that it won't
is best left for an expert. It took longer to cool than
to do the entire welding and re-installation of the exhaust
A nice neat
solid weld that will last forever.
I made the
mistake of touching this 35 minutes after welding and burned
wideband sensor is installed and we are ready to go.
location for tuning. Easy to see from under the hood and
a nice feature to be able to move it in and out of the car
rich for idle, but close enough for now.
It really needs to be run on the open road before any more
tuning the carbs a bit, you have to clear them out and when it
comes back the reading generally goes dead lean until the engine
a cold engine with 90% choke.
engine on choke gives a rich mixture,
which is exactly what it reads at Wide Open Throttle.
tuning to go now that the new engine is broken in.
Jamie's work underneath, a nice, neat
and simple installation.
Performance Muffler Shop
Pawtucket, RI 02861