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Chevrolet Ls2 Engine Engine Block

4. On the passenger side of the engine block, just above the starter, is the connector for the reluctor wheel on the crankshaft. The reluctor wheel tells the computer what position the crankshaft is at, so that the computer can fire the ignition system at the proper time. The gray connector on our block indicates that we have a 58-tooth wheel. If the connector was black, that would indicate a 24-tooth wheel was inside and that we had an older LS engine.
GMPP LS2 Small Block Engine - The Perfect Project Motor?

 4. On the passenger side of the engine block, just above the starter, is the connector for the reluctor wheel on the crankshaft. The reluctor wheel tells the computer what position the crankshaft is at, so that the computer can fire the ignition system at the proper time. The gray connector on our block indicates that we have a 58-tooth wheel. If the connector was black, that would indicate a 24-tooth wheel was inside and that we had an older LS engine.  View Related Article

 

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