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ring gap clearance issue file fit rings

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Old 01-07-2016, 06:28 AM
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Default ring gap clearance issue file fit rings

I have some Mahle file fit rings and the minimum gap in the instructions say .0045*bore diameter. I have an approx. bore of 3.898 so my gap would be around 17.

When I look in the service manual it says top ring is from .009-.0149 for the top ring.

why is this?

I'm thinking about running a 13 gap but i'm a little scared.... any thoughts?
Old 01-07-2016, 07:59 AM
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They're Mahle rings so go with Mahle's specs.
Old 01-07-2016, 09:00 AM
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Originally Posted by KCS
They're Mahle rings so go with Mahle's specs.
This
Different alloy. Different expansion rates



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