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Click on image for the lowdown. 
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| | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 |
How many head bolts?
15 head bolts on all 216s and on low-pressure 235s
18 head bolts on high-pressure 235s and on all 261s
All low-pressure heads (216 and 235s) had two-bolt valve covers - bolts through the top of the valve cover.
1953 high-pressure 235 engines also had two-bolt valve covers.
All other high-pressure 235s and all 261s had 4-machine screws valve covers (attachment at the edges of the valve cover).
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