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How do I tell which LS accessory drive spacing I have?
Three factory belt-to-block offsets: Corvette (-1, most compact), F-body/GTO (-2), truck/2010+ Camaro (-3, farthest out). Water pump and crank pulley/balancer must match the same offset or the belt runs out of plane.
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Sources
- What Belt Offset Do I Need? — LSX Concepts