2000 Trans Am WS6 - LS1 Power Plan - Pontiac Tech
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In order to get the engine to TDC, the crankshaft bolt is threaded back into the end of the crank and the rotating assembly is turned clockwise until the dots on the timing chain camshaft and crankshaft sprockets are lined up (camshaft sprocket dot at 6 o'clock and crankshaft sprocket dot in the 12 o'clock position). It should also be noted that for an LS1 cam swap, the factory oil pump doesn't have to be removed, although removal of the four 10mm bolts that retain the pump is necessary if the timing chain assembly itself is being replaced. View Related Article
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