Hi all.
Just copied this from a post by silentblinder9502 on the Dodge Forum.
Supposidly, this is info passed down from Daimler Chrysler Engineers.
If it's already been posted, disregard.
"On many of the HEMI engines the ticking noise is none other than the exhaust valves....The tick is caused by excessive valve stem to valve guide clearance. MOPAR has now revised the exhaust valves with fatter (29 microns) stems. The part number for the valves is 53021551AB"


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