O.S. Engine OSMG2698 Cold Turbo Glow Plug for Nitro Racing [OSMG2698]

O.S. Engine - Glow Plug #P8 (Turbo) Cold

Price:

NZD$0.00

Brand:

O.S. Engine

Model:

OSMG2698

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Overview of the O.S. Engine OSMG2698 Turbo Cold Glow Plug

The O.S. Engine OSMG2698 is a turbo cold glow plug aimed at hobbyists and racers using turbo-type heads on .18 to .28 cubic inch nitro engines (2.9 - 4.6 cc). It is recommended for fuels containing at least 25% nitromethane and is tuned with a cold heat rating to keep ignition timing consistent during higher temperature running.

Features and Compatibility

Compatibility: Suitable for turbo head engines in the .18-.28 cu in bracket, including the OS Max .21 VZ-B V-Spec example.
Heat Rating: Cold - ideal for avoiding overheating on warm tracks or long sessions.
Design: Made to fit turbo-style cylinder heads for correct seating and combustion performance.
Thread Size: M8x.75mm for straightforward installation on compatible engines.

How do I choose the right glow plug heat for my track conditions?

For hot tracks or prolonged high RPM runs choose a colder plug like the O.S. Engine OSMG2698 to avoid preignition and keep the engine controllable.

Can this plug be used in non-turbo heads?

It is optimised for turbo-style heads, but fit depends on the head port and thread size; confirm M8x.75mm compatibility before fitting to non-turbo heads.

Any special break-in tips when switching plugs?

After fitting a new plug, run a few progressive warm-up laps at low to medium load to verify mixture and make small needle adjustments as needed.

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