A valve lifter guide (100) includes a base (111) and at least one conduit (101) extending from the base (111). The conduit (101) has a first inwardly curved surface (103) opposed to a second inwardly curved surface (105) such that the conduit is capable of holding a valve lifter (200) between the first inwardly curved surface (103) and the second inwardly curved surface (105).

 
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> Intake valve cleaning method for a direct injection engine with computer controlled intake valves

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