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Technical Board / General Technical / Re: The black art of cooling grey motors
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on: January 13, 2017, 12:12:00 PM
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SPECIAL DUTY CYLINDER HEAD GASKET FOR HOLDENS, PRIOR TO 'EJ', OPERATING UNDER ARDUOUS CONDITIONS A revised type cylinder head gasket is now available from NASCO Distributors for use on 48J21 5 up to 'EK' Holden vehicles that are continually operating at high speeds or under conditions where severe operating temperatures are experienced. The purpose of this new gasket is to direct a greater flow of cooler water to the rear of the engine. To achieve this, a number of cooling holes in the cylinder head and block are blanked off by the gasket, while the two rear holes are increased in size. This new cylinder head gasket is now available from all NASCO Distributors. PART No. • 7424869 LIST PRICE £0 18 0 plus tax
Found this on the net.
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