O.S. Engines 21VZ-B V-Spec - Manual (Page 17)

STARTING THE ENGINE & RUNNING-IN ("Breaking-in")
For long life and high performance, every
engine needs to be 'run-in' or 'broken-in'. With
care, running-in of the MAX-21VZ-B V-Spec
can be carried out with the engine installed in
the vehicle. Be sure to install the air-cleaner on
the carburetor and use a muffler-pressurized
fuel system.
The following procedure is suitable for these
engines when the O.S. T-2050 tuned silencer
and a fuel containing up to 30% nitromethane
are used.
Fill the tank completely with fuel.
Fuel Pump
Fuel Tank
Temporarily remove the glowplug to check
that it glows bright red when energized.
Element glows when energized.
Replace the plug when the
element does not glow or is
burnt out.
Glow Plug Igniter
Pliers
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