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Join Date: Oct 2021
Posts: 16
1979 911 SC - timing chains

I have my 911 SC in pieces changing valve guides and piston rings.

Should I change the timing chains? The mileage on the chains is uncertain, but they look to be in good shape. Also, what is the opinion on using the ones for sale on Pelican with the the master link?

Many thanks.

Old 05-26-2023, 06:13 AM
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you left out how many miles are on your motor.
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Old 05-26-2023, 06:14 AM
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There is 130K on the engine, but no history a if the timing chains have been replaced during that mileage
Old 05-26-2023, 06:26 AM
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Change them.
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Old 05-26-2023, 06:45 AM
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Look at changing sprockets too - they may be worn.
Old 05-26-2023, 06:50 AM
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I would also consider adding Carrera chain tensioners, if it doesn't already have them.
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1984 911 Carrera coupe
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Old 05-26-2023, 09:25 AM
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How much of an issue would it be if I did not change the sprockets on the IMS, and just did the ones up top?

Old 05-26-2023, 09:26 AM
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