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Author Message   Rocketsprink Posted on Sunday, October 10, 2004 - 01:33 pm:        Got the DRUMMER installed on the bike. Love it, wouldn't change a thing. One thing that does concern me however is the valve train is a LOT louder than it ever was! I can hear it a mile away. It sounds like a helicopter going down the road. Sound lightens at about 3k rpm, but below that, God , it sounds awful. Maybe it's me. I could hear it slapping around with the stock can, but not this bad! Anyone experience the same thing? Should I have it looked at by the dealer!?   Ingemar Posted on Sunday, October 10, 2004 - 01:55 pm:        I have the same problem. I once believed it was about to explode. Never related it to swapping the pipe, but now you mention it it WAS around that same time. 4000 kms later I simply ignore it. Sometimes another biker pulls up at the traffic light, looking in shock at my bike like WTF?!? I just give him a thumbs up! I'd say don't worry 'bout it man.   BadS1 Posted on Sunday, October 10, 2004 - 08:43 pm:        Rocketsprink welcome to valve train ville.They all make the racket.And when ya drilled out your airbox you added to the effect.   Fullpower Posted on Monday, October 11, 2004 - 05:30 pm:        yes we are running sportster engines.....with pushrods, rocker shafts, etc. but what has valvetrain noise have to do with exhaust noise? nothing, unless you have an exhaust LEAK.   BadS1 Posted on Monday, October 11, 2004 - 05:34 pm:        Fullpower you here just about everything that moves on these things.And maybe you haven't heard a exhaust leak before...TICK...TICK...TICK...TICK!!!!   Rocketsprink Posted on Monday, October 11, 2004 - 08:16 pm:        I do know the difference between valve train noise and an exhaust leak. This is without a doubt the valve train. Just wondering if anyone has had the same experience.   Fullpower Posted on Tuesday, October 12, 2004 - 07:10 pm:        sorry i am not understanding how an exhaust canister can influence the mechanical noises coming from your engine. it acts to dampen exhaust pulse noise. how can this amplify the sounds coming from your valvetrain? does it make your headlamps brighter, or the horn louder? no disrespect intended, i just dont understand the co-relation......... dean   BadS1 Posted on Tuesday, October 12, 2004 - 07:14 pm:        Full go put your stock pipe and if your box is drill put a stock one back on then report to me.Sorry but a free flowing exhaust can amplify more then just the sound of the pipe.   Dj_rider Posted on Wednesday, October 13, 2004 - 12:52 am:        who cares! ride the s.o.b. at least u can, my bike is in 1000000 pieces   Buell_boy_beau Posted on Wednesday, October 13, 2004 - 01:40 am:        HEY ROCKETSPRINK,I MADE A MUFFLER 4 MY XB9R & GUESS WHAT? VALVE TRAIN NOISE WAS MUCH LOUDER!PROBLEM BEING WHEN U OPEN UP THE SYSTEM IT CAUSES BIKE TO RUN LEAN.BETTER FLOW MEANS U NEED MORE FUEL.LEAN MEANS PINGING!SOLUTION,RACE ECM OR SIMILAR.I'M WAITING 4 TECHLUSION 2 FIX MY PROBLEM.HOPE THIS HELPS. P.S. I'VE SURFED THIS SITE REGULARY & JUST REGISTERED.HELLO ALL.   Barkandbite Posted on Wednesday, October 13, 2004 - 02:41 am:        BBB - Dude...turn the caps lock off, you're shouting. /CH   Opto Posted on Wednesday, October 13, 2004 - 03:06 am:        No change in valve train noise on my 12 when I fitted the drummer or drilled a few airbox holes. I can hear it ping sometimes but there isn't much valve train noise at all, I thought if anything the louder pipe would mask the sound. I did own a Sportster for 7 years...   Odie Posted on Wednesday, October 13, 2004 - 03:13 am:        Cut airbox and mod'ed pipe and no additional noise except intake and exhaust!!   Rooster2168 Posted on Wednesday, October 13, 2004 - 03:15 am:        No valve train noise here either. I have the airbox modded and a high flow muffler.   Ingemar Posted on Wednesday, October 13, 2004 - 09:05 am:        Thinking back to the whole deal my valve train became noisier after I had put the drummer on. Right now its ticking like hell and heard several that are. Yet others make no engine noise at all.   Hogs Posted on Wednesday, October 13, 2004 - 09:09 am:        Ingemar you like others I`m sure WORRY to much ....just get on that baby and ride herrrrrrrrrr :-)   BadS1 Posted on Wednesday, October 13, 2004 - 02:31 pm:        Odie ya can't tell me you don't hear pushrod's lifter's and such are ya deaf???LOL   Ingemar Posted on Wednesday, October 13, 2004 - 02:46 pm:        Hogs: I sure want to but she's still complaining about hormons that uh ... Oh wait! The bike ... right! I am riding THAT!   Hogs Posted on Wednesday, October 13, 2004 - 02:52 pm:        AHhahahh So wheres da girlfriend... Oh ••••.. sorry   Odie Posted on Wednesday, October 13, 2004 - 05:53 pm:        BadS1, no, I can still hear what was there before I was just saying that I couldn't hear additional noise. Well, maybe just a little deaf- 21 years of firing weapons, jumping out of aircraft, and flying helicopters for 15 years sort of eats away at your hearing a little faster than usual! Actually, I'm going SO fast now that the valve train noise is trailing me by about a bike length! LOL   BadS1 Posted on Wednesday, October 13, 2004 - 07:38 pm:        Ok you got a good excuse.lol

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