All good tension head to 30 ft Lb new Viton O rings with washers top & bottom
Only 1 issues the new head bolts supplied by the owners club they have a larger head 5/8 AF
From 5/16 W original ?
Head Bolt Tension
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Brian Davis
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- Joined: Thu Sep 08, 2022 1:01 pm
- Location: New South Wales AUSTRALIA
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Andy51
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- Joined: Thu Mar 31, 2005 1:00 am
- Location: BERKS UK
Re: Head Bolt Tension
I bought a bolt several years ago from AMC Classic Spares and it had a different size head. Steve told me that his supplier couldn't get Whitworth size hex stock in the right quality, so used ( if I remember right) 13mm A/F hex instead. I would imagine that this situation has worsened since then. I made my own bolt on my trusty Myford using old Whitworth size hex stock. Andy