Timing to TDC on 1992 Nissan Stanza

I am changing my timing chain, tensioner, guides and sprocket. the crankshaft mark on the new sprocket is 180 degrees from the keyway. The old sprocket mark is aprox 160 degrees from the keyway. What rule due I follow, Keep the shaft key marks at 12:00 or match the chain marks to the sproket mark which would put the crankshaft key mark 20 degrees to the left of 12:00?

Asked by for the 1992 Nissan Stanza
Autozone have some popular workshop manuals for free on line once you register (for free) on their website There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate
Alldata is very good!

Hello Roy! In Ireland at the moment, decided to surprise my parents o their 50th wedding anniversary, all my family are flying home for the week.
Pat, how are doing??
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send me your e mail and i will send you the pictures.