Tag: LS rotating assembly

Factory LS1 wrist pins use a press-fit connecting-rod arrangement, while many aftermarket combinations use full-floating pins and retaining locks. Learn how each design works and which measurements matter.

LS1 crankshaft runout is checked at the No. 3 center main journal with a dial indicator. Learn how to measure crankshaft straightness, identify excessive runout, and determine whether an LS crank may be bent before assembling the short block.

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.

If there’s one part inside an LS engine that gets absolutely abused while receiving almost no glory, it’s the bearings. Tiny pieces...