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- Sat Dec 15, 2018 10:52 am
- Forum: Restoration Tips & Advice
- Topic: Valve guides
- Replies: 1
- Views: 489
Rebuilding a cylinder head for a 1918 Buick, 4-cyl. This engine has external rocker arms and springs. Using new stainless valves and bronze guides, what would be a safe valve guide clearance to run. I’m leaning towards .002”, but would like to get more feedback. No oil supply to the external springs...