Dunes and Dune Machines Discussion on dunes and dune machines.

Silver Lake, MI: August 17

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Old Aug 11, 2002 | 09:49 PM
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Anyone planning on being at the dunes on August 17?
 
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Old Aug 12, 2002 | 08:29 AM
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be there on friday. i like friday better because the dayshift dnr are alot nicer. see you saturday boys after the holidays.later wil.
 
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Old Aug 12, 2002 | 08:49 PM
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I will be there on the 27th
 
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Old Aug 12, 2002 | 10:07 PM
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I'll be there Aug 16th. ATC86R say hi if you think you see me. Check my sig for my ride.
 
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Old Aug 12, 2002 | 11:30 PM
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i'll see you for sure. i'll be on beater atc with 2 lights. if you drag you'll surely see me. i go out of my way to race bombs and raptors. hope you do better than last time i went. only 1 ds and he wasn't quite getting it done. he'd keep up until 5th gear. hope your not stock.
 
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Old Aug 15, 2002 | 05:37 PM
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atc86r,
sure I'll race you, though mine is pretty mild & a lightweight 2 stroke is tough to beat in the sand. Can't race too much though I'm there to ride with my wife. She'll be mad if I ride with strangers more than her!
 
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Old Aug 15, 2002 | 11:28 PM
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i hear ya. my wife will be on 250ex
 
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Old Aug 16, 2002 | 11:37 AM
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If you guys wouldn't mind given me a report on the noise checks on Monday, I would appreciate it. A big group of us is planning on making the trip up on Sept 21 & 22. Will be mostly 400ex's with pipes, so we want to know what the deal is before we get up there.
 
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Old Aug 17, 2002 | 08:52 PM
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Noise checks: If you go during the week, there are none (usually). Lack of man power. On the weekends, almost always. The state limit is 94 dB(A), the federal limit is 98 dB(A). This year you can get in with a 98 dB pipe. Next year it goes down to 97 dB(A) maximum, etc, until the 94 limit is reached. The RPM's that the check is made at is machine specific, 4 stroke quads should be in the 3500-4000 RPM range. What is absolutely needed all the time is a U.S.F.S approved spark arrester, even during the week. They have a plastic rod they use to check for the screen that they will run up the pipe if they're not sure. I was spark arrester checked EVERY time, sound checked only once during the week we were there. Sand is pretty flammable you know...[img]i/expressions/face-icon-small-disgusted.gif[/img]
 
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Old Aug 17, 2002 | 11:45 PM
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Here is what I saw....
One guy with an FMF on a 400EX got sound checked & tested at 98db. They told him to repack his muffler but let him in anyway. They told him they sound check every 7th rider. They don't though I was about 12th in line & none of us got it. They did check for spark arrestors though! One guy with a DS & HMF pipe did not have one. He rode more than 1/2 the day later when he went to get back in they wouldn't let him go. The DS rider saw my pipe & asked me if I was shunned away too. I showed him my spark arrestor & let him use it has a template. He went over to DARacing shop & bought screen & mounted it under his end cap. Even though it wasn't foresty approved they let him in. I heard they are much more laid back M-F than on the week-end though. The thing is they worry about quad noise yet these buggies & full size trucks with V-8 motors & 1/2 an exhaust get in. It seems backwards to me....
It amounts to basically stock quads only if they strictly enforce the rules. my advice, go during the week.
 
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