MAHLE Clevite Inc.

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Camshaft Break-In Procedures

Coat the camshaft lobes & distributor gear with an EP lubrication such as CL400 "Cam Guard" or a moly-paste.
Apply the EP lubricant only to the lifter contact faces - not the bores.
Prime the lube system using new oil and filter.
Use only oils that meet or exceed the latest API ratings.
Do not use non-detergent oils, they do not have the anti-scuff additives found in modern detergent oils.
Start the engine and increase the RPM's to 1500-2000. Operate the engine for 15-20 minutes at this speed. The higher speeds increase splash lubrication and decrease nose loading.
Avoid excessive cranking, no start donations and fuel/ignition adjustments. The break-in procedure must commence as soon as the engine has oil pressure. If the engine fails to start within 15-30 seconds, it is recommended to re-apply the EP lubricant to the lobes.
If possible, following break-in, the idle should be adjusted to high specifications.

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