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Old 01-06-2013, 08:07 AM   #107
Roach Carver
Gnarly Adventurer
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Joined: May 2010
Location: Prairie Grove AR
Oddometer: 132
Originally Posted by danedg View Post

The big nut on top [22mm?] is a cover. Underneath is the 6th headbolt...
It's a secret!
Can you look at your bracket ( the head side)that the rocker arm assembly sets in? I just did the cylinders and heads on my 71 ambo and when I torqued the heads, there is a slight space where the oil passes up into the head rocker assembly at the top of the bracket. I can slide a thin feeler gauge under mine at the top. I have looked at mine and it looks almost like the area is not machined flat all the way to the top and I have looked at some on ebay and they look the same??!. Anyway sorry for the thread jack.
71 r75/5, 72 r75/5, 74 75/6, 80 r100rt, 71 Ambo
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