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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Modern Fuel & Ignition Advance
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<blockquote data-quote="davidd" data-source="post: 94941" data-attributes="member: 1177"><p>I recently talked to a Vincent owner that had his bike on the dyno many months ago. He wanted more power and changed the cam. He ran the bike and said it was as powerful, if not a little more powerful. He was very disappointed when the dyno showed a loss of 4 bhp. A quick switch back to the original cam and some exhaust work gave him the 4 bhp back with an addition of 2 bhp more. It is a real talent to tune a bike by the seat of ones pants.</p><p></p><p>The DynoJets that are run as inertial dynos cause very little wear. I think I did about 40 pulls to 7000 on my racer during two all day sessions and ran it all that season after the tuning. I then sold it and it ran another 5 seasons with a piston and ring change in the 5th season. The Vincent dyno was a load dyno. That will wear a bike out in no time.</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 94941, member: 1177"] I recently talked to a Vincent owner that had his bike on the dyno many months ago. He wanted more power and changed the cam. He ran the bike and said it was as powerful, if not a little more powerful. He was very disappointed when the dyno showed a loss of 4 bhp. A quick switch back to the original cam and some exhaust work gave him the 4 bhp back with an addition of 2 bhp more. It is a real talent to tune a bike by the seat of ones pants. The DynoJets that are run as inertial dynos cause very little wear. I think I did about 40 pulls to 7000 on my racer during two all day sessions and ran it all that season after the tuning. I then sold it and it ran another 5 seasons with a piston and ring change in the 5th season. The Vincent dyno was a load dyno. That will wear a bike out in no time. David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Modern Fuel & Ignition Advance
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