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Join Date: Jun 2016
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Porsche 911 1974 2.7

a 911 74 2.7 engine... ? I have mechanical timing chain adjusters: How do I know when I have the correct chain tension set properly? Now, I want stay with the original adjusters and NOT UPDATES on this Porsche! It is not in my budget. I have searched for an answer to this question, with no results!!

Vita
Old 06-08-2016, 02:36 PM
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They will never be what you set them at because the chain changes length with temperature.
Bruce
Old 06-08-2016, 02:44 PM
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Thanks, Bruce! Do you have any suggests regarding the starting tension on the timing chains? Any idea as to how they did it on the 70s?
Vita
Old 06-08-2016, 03:28 PM
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Do you have the early style tensioners or the truly mechanical ones (basically an adjustable bolt with a retaining nut)? If it's the early type, just get some collars to prevent a total collapse in case of failure. I've never read of an adjustment procedure for the straight mechanical ones, but chain stretch would make readjustment on a periodic basis necessary.
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Old 06-12-2016, 07:57 AM
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