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I do not have manuals for your car..
but for our 123's ... and I think particularly on the NA engines.... the FSM mentions startup noises... so you might check for that book reference...
Also, does your chain use a ratcheting slack taker upper (LOL) ?
Did you renew or adjust that at the time of the chain renew?
If you have that ..but it is working slowly... then the chain slaps around until the slack is taken up...
Did you renew the items in contact with the chain , if any, like rails and slides ?
Also, have you checked your oil pump pressure relief ( if you have one )... that is mentioned as causing noise I think on our 615,616.677 engines... and at least THREE different psi models have been substituted over the years...
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