Forum Discussion
femailyetti
Dec 26, 2016Explorer
This is a picture of the true roller timing chain installed in the 1986 Chevy 454. NOTE the stock timing chain cover will now no longer work. See other pictures for how I solved this problem.
It never had a thrust plate behind the top gear, or a cam button when I took it apart.

It never had a thrust plate behind the top gear, or a cam button when I took it apart.

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