Quote:
Originally Posted by enaberif
someone has done a timing chain change on that motor. gm used nylon coated upper gears for many years which ended up cracking.
my original chain was way more stretched than yours.
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I believe this is all original, the cam gear is very light I thought it was aluminum, but my buddy said its that nylon stuff, it's just really dirty that's all, maybe if I was to clean it up we could confirm for sure