AS 4430.1:2003 pdf free.Evaluation of devices, additives and processes which claim to improve vehicle performance Part 1: Engines designed for leaded petrol to operate on regular unleaded petrol. 4.5 Engine Reciprocating spark ignition internal combustion engine with cast iron cylinder head from original production without valve seat inserts. 4.6 Engine system Encompasses the engine's mechanical assembly, fuel system, ignition, induction,...
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