How To Upgrade To Threaded Engine Block Oil Plugs

When you rebuild an engine, there are all sorts of small, inexpensive upgrades you can do to try and assure maximum performance and reliability.

If an engine has been refreshed or rebuilt multiple times, oil plug holes in an engine block can become worn out which means new plugs may not fit correctly, which can lead to leaks and a potential blow-out.

Follow along as Hagerty’s Davin Reckow walks you through tapping these holes and using pipe plugs as an easy way of sealing these passages and limiting the threat of the aforementioned issues…