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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Cylinder Oil Feed on Comet
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<blockquote data-quote="Oldhaven" data-source="post: 58974" data-attributes="member: 2879"><p>I find this reassuring. You are the second successful racer I have heard say this. Does this include both your road bikes and racers? (Different amounts of oil being splashed about.) Then there is robin's experience above that seems to contradict that, plus anecdotal evidence and the wisdom of the collective and even warnings from the designers over the years about blocked oil feeds. It seems as though if done right the extra oil does no harm, but done wrong all kinds of oiling problems can happen. I think, especially with the early two piece head bolts like I have, that getting oil tightness is difficult, even if the oil ends up correctly inserted below the rings. How do you seal the joint between the outer ET 55 and the crankcase insert ET158 when the slots to allow installation and removal of the insert appear to give oil in the feed gallery a direct path right up the inside of the ET55 to the top of the head? One piece bolts are sealed above the groove in the threads when they are installed to prevent this. I will be using restrictor discs with no holes because of the potential head bolt problem, but probably would have followed conventional wisdom and practice otherwise. I guess we will see what happens.</p><p></p><p>Ron</p></blockquote><p></p>
[QUOTE="Oldhaven, post: 58974, member: 2879"] I find this reassuring. You are the second successful racer I have heard say this. Does this include both your road bikes and racers? (Different amounts of oil being splashed about.) Then there is robin's experience above that seems to contradict that, plus anecdotal evidence and the wisdom of the collective and even warnings from the designers over the years about blocked oil feeds. It seems as though if done right the extra oil does no harm, but done wrong all kinds of oiling problems can happen. I think, especially with the early two piece head bolts like I have, that getting oil tightness is difficult, even if the oil ends up correctly inserted below the rings. How do you seal the joint between the outer ET 55 and the crankcase insert ET158 when the slots to allow installation and removal of the insert appear to give oil in the feed gallery a direct path right up the inside of the ET55 to the top of the head? One piece bolts are sealed above the groove in the threads when they are installed to prevent this. I will be using restrictor discs with no holes because of the potential head bolt problem, but probably would have followed conventional wisdom and practice otherwise. I guess we will see what happens. Ron [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Cylinder Oil Feed on Comet
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