replacing timing chain

[wesley]

i have a 1989 gmc r3500 with 454 with almost 300000 miles on it and there is a noise coming from the timing chain cover so i think its going bad.i was wondering should i replace it with a standard chain set or a double roller set?also what chain set makers should i look at and witch should i stay away from?Tia.

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[Richard Kirshy]

Considering the mileage you got out of the OEM chain.
I would stick with that.

[wesley]

who makes om chains for gms?

[Richard Kirshy]

A google search … 1989 gmc r3500 OEM timing chain
https://www.gmpartsgiant.com/oem-1989-gmc-r3500-timing_chain.html

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