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I have had the Woods 222 's in for about a month. The power and pull are great on my 2012 Road King. In regards to the noise , I have a lot of the normal cam light knock? through the air cleaner at idle. my buddies cammed up Road King has the same noise. My question is what specification causes the noise; duration, overlap or degree of at valve opening. Obviously stock cams do not do this ,I am just wondering if a guy wants to reduce it what item should be different on the next cam?
I have had the Woods 222 's in for about a month. The power and pull are great on my 2012 Road King. In regards to the noise , I have a lot of the normal cam light knock? through the air cleaner at idle. my buddies cammed up Road King has the same noise. My question is what specification causes the noise; duration, overlap or degree of at valve opening. Obviously stock cams do not do this ,I am just wondering if a guy wants to reduce it what item should be different on the next cam?
I've noticed the "carb" rattle on my bike, not loud enough to bother me or be a concern. I have no doubt that it is caused by the overlap, of which the stock cams have none. My valve train seems to have a bit more clatter than with the stock cams, again not enough to be an issue.
I've lived with the TC noises for the past 12 years. My '01 was noisy from day one, with S&S 510 cams the valve train was quiet, but the Mikuni rattled like a bag of bones. I later put the Andrews 21's in, lost most of the slide rattle, gained back the low end TQ loss caused by the 510's (they did pull hard from 3.5K to the rev limiter). Later on I bumped it to 95" & kept the 21 cams, it was a veritable tractor, but still noisy. I've learned to live with it.
I've noticed the "carb" rattle on my bike, not loud enough to bother me or be a concern. I have no doubt that it is caused by the overlap, of which the stock cams have none. My valve train seems to have a bit more clatter than with the stock cams, again not enough to be an issue.
I've lived with the TC noises for the past 12 years. My '01 was noisy from day one, with S&S 510 cams the valve train was quiet, but the Mikuni rattled like a bag of bones. I later put the Andrews 21's in, lost most of the slide rattle, gained back the low end TQ loss caused by the 510's (they did pull hard from 3.5K to the rev limiter). Later on I bumped it to 95" & kept the 21 cams, it was a veritable tractor, but still noisy. I've learned to live with it.
The reason I think the stock cams don't do it is the way the intake valve opens. The stock cam on split overlap stroke which is the stroke that is not firing stroke doesn't open until 12 degrees AFTER TOP DEAD CENTER. The 255 opens 6 degrees BTDC and most performance cams open 20+ degrees BTDC. I think it is just the compression from the valve opening early popping against the throttle blades. I have seen racing engines at night with a light shining on the carb be blowing gas fumes up out of the carb when you rev them up when they have very large cams with large overlaps. Doesn't seem to cause any problems. I have heard one new CVO with TW 777 cams that was very loud. It was loud enough you could hear it 20ft away.
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