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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
identifying cams
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<blockquote data-quote="vibrac" data-source="post: 22769" data-attributes="member: 60"><p>I have never worried about opening and closing points of a cam what the heck if its 10 thou or 20 thou off the seat at a point that is hardly measurable I am a great beliver in going for equal opening of both valves at 6 degrees BTDC thats where it matters I timed the single and the twin racers like that and the results are history,just to underline the point I also timed my trials Comet like that without even knowing if they were 1,2 or 3 cams and she pulled like a 650 panther so my guess is they are MK1.</p><p>Incidentally if you have gone to the bother of setting up dial guages on your valves just be amazed what small movements of the adjusters will do to your theoretical 'opening figures'. Now go figure what happens after a short run.</p></blockquote><p></p>
[QUOTE="vibrac, post: 22769, member: 60"] I have never worried about opening and closing points of a cam what the heck if its 10 thou or 20 thou off the seat at a point that is hardly measurable I am a great beliver in going for equal opening of both valves at 6 degrees BTDC thats where it matters I timed the single and the twin racers like that and the results are history,just to underline the point I also timed my trials Comet like that without even knowing if they were 1,2 or 3 cams and she pulled like a 650 panther so my guess is they are MK1. Incidentally if you have gone to the bother of setting up dial guages on your valves just be amazed what small movements of the adjusters will do to your theoretical 'opening figures'. Now go figure what happens after a short run. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
identifying cams
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