Tag: LS1 FAQ
LS1 Connecting Rod Chamfer Orientation: Which Way Should the Rod Face?
Learn which way the **LS1 connecting-rod chamfer should face**, why it must clear the crankshaft journal fillet, and how correct rod orientation helps prevent clearance problems during LS1 engine assembly.
LS1 Piston-to-Deck Clearance: How to Measure and Calculate It
LS1 piston-to-deck clearance is determined by **crankshaft stroke, connecting-rod length, piston compression distance, and block geometry**. Learn how these dimensions affect piston position at TDC and how to measure deck clearance during an LS1 build.
LS1 Crankshaft End Play: What Is the Correct Thrust Clearance?
LS1 crankshaft end play should measure 0.0015–0.0078 inch. Learn where the No. 3 thrust bearing is located, how crankshaft end play is measured, and what to check during an LS1 engine build.
What Are LS1 Cracked-Cap Connecting Rods? How GM’s Fractured Rod Design...
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.
