Tag: LS1 engine rebuild

That little 16mm plug at the front of an LS1 block isn't optional. Here's where the front oil-galley expansion plug goes, how it's oriented and why it should be removed for block cleaning and replaced during final assembly.

Factory LS1 connecting rods use a **powdered-metal cracked-cap design** with uniquely matched fracture surfaces. Learn why rod caps must stay with their original rods, how the design works, and what to inspect before reusing factory LS1 rods.