Originally Posted by
GSI_103183640487218328641
4 miles on new crate motor and rocker arm nuts backed off can,t wait to see what comes next .All the rocker ***** are galled.and looks like they are made of the powdered metal process .Chinese ? any Ideas this is the new zz502 deluxe engine also lots of dust in the pan when i pulled it to change it upon first arrival ,anyone experiance these problems.
Hello,
It sounds like your ZZ502 deluxe engine might have quality control issues. Contact the supplier or manufacturer immediately to report these defects and request a replacement or refund. Ensure any future engine purchases are from a reputable source to avoid similar problems.