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Author Topic: Head nut torque  (Read 486 times)
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davidwheeler
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« on: 01 October, 2019, 04:20:09 PM »

What is the recommended torque for the head nuts on an aluminium head please?     I've been using about 65 lb/ft but the 3mm compressed carbon gasket is a bit squishy and has failed at the side.
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David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
JohnMillham
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Posts: 963



« Reply #1 on: 02 October, 2019, 07:23:00 AM »

65 ft lbs is what the Australians recommend. I have been using a 3 mm solid copper gasket recently, which seems to work OK. If I ever have another one made, I will go as thin as 2 mm.
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