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Discussion Starter #122
Is that full droop? Looks like the driveshaft angle might be pretty steep if the T-case is clocked flat. Do you have any pictures of how everything clears at full bump? Gaining a couple inches of travel at bump will help out the angle of the driveshaft at full droop.
hey cody how have you been man ? you heading to dunes for opening ? if so grab a pair of store bought mufflers so the ass holes do not turn you around again.

that is probably past where full droop limit straps will be set, i still need to mess with the drive shaft i have to see if it will work or build a diff one or something. also these shocks are two big for the front going to order a set of 16 inch and put them up front these are 20 inch, going to put them in the back end when i flip truck around and start cutting g rear off.

i do not have a any pics all full bump, didn't take any at the time when i was cycling it around with tires on it.

the build started as it was going to be more of a lower crawling toy now its turning into a taller more travel big truck haha i just keep getting deeper and deep into it aka taking more shit apart before finishing other shit lol. the way it is going right now its going to be a truggy / pre runner chaser / no fucks givin hammer down rig lmao
 

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Discussion Starter #123
thank you robert @ dts for the 5.38 gears and install kits. they will defiantly help the 6.0 move this big bitch around.






also had to snag a pic of this awesome pinion ran with no rear end fluid ( what counter guy said) that was sitting on counter at dts in warren
 

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I'm not old, honest...
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hey cody how have you been man ? you heading to dunes for opening ? if so grab a pair of store bought mufflers so the ass holes do not turn you around again.
Assholes? Do you mean the people who are actually keeping the dunes open because of all the noise complaints? Do you realize that when the dunes opened that the noise level was set at OEM noise levels and the people from Great Lakes Four Wheel Drive Association spent every weekend there for an entire year working with the DNR and locals to establish a reasonable noise level?

You should appreciate the fact that you have the only dunes east of the Mississippi to ride on and that they allow a reasonably loud exhaust.
 

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Discussion Starter #125
Assholes? Do you mean the people who are actually keeping the dunes open because of all the noise complaints? Do you realize that when the dunes opened that the noise level was set at OEM noise levels and the people from Great Lakes Four Wheel Drive Association spent every weekend there for an entire year working with the DNR and locals to establish a reasonable noise level?

You should appreciate the fact that you have the only dunes east of the Mississippi to ride on and that they allow a reasonably loud exhaust.
did i say anything about noise ??? codys truck wasn't loud it just had custom made mufflers do to tight space with baffles in them like a muffler you would buy, and they turned him around even know he couldn't get his test stick threw them. the one kid was just being a dick head all the other ones where fine.
 

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No you didn't say noise but you lumped them all into a catagory called assholes.
You should have gone to the park office and complain. Custom exhausts are legal as longs they meet the criteria.
 

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hey cody how have you been man ? you heading to dunes for opening ? if so grab a pair of store bought mufflers so the ass holes do not turn you around again.

that is probably past where full droop limit straps will be set, i still need to mess with the drive shaft i have to see if it will work or build a diff one or something. also these shocks are two big for the front going to order a set of 16 inch and put them up front these are 20 inch, going to put them in the back end when i flip truck around and start cutting g rear off.

i do not have a any pics all full bump, didn't take any at the time when i was cycling it around with tires on it.

the build started as it was going to be more of a lower crawling toy now its turning into a taller more travel big truck haha i just keep getting deeper and deep into it aka taking more shit apart before finishing other shit lol. the way it is going right now its going to be a truggy / pre runner chaser / no fucks givin hammer down rig lmao
Still thinking about it but more than likely will. Won't be taking the truck if I do and will be taking the General that we got in the fall.

On the truck, I would build it as low as you can now because it is the easiest to change it now vs later on. Easier to go taller after than go lower... I know on my truck the axle truss bottoms out on the frame at full bump and when the shocks are at full droop (18" travel) the driveshaft binds. This is also with radius arms that keeps the axle pinion pointed up at the T-case and lessens the angle. I could solve some of the binding by going to a single u-joint at the T-case rather than a double cardan joint.

Assholes? Do you mean the people who are actually keeping the dunes open because of all the noise complaints? Do you realize that when the dunes opened that the noise level was set at OEM noise levels and the people from Great Lakes Four Wheel Drive Association spent every weekend there for an entire year working with the DNR and locals to establish a reasonable noise level?

You should appreciate the fact that you have the only dunes east of the Mississippi to ride on and that they allow a reasonably loud exhaust.
The truck was pretty quite actually, at least when compared to most of the trucks you see on a holiday weekend. I think what my issue was that they were a homemade muffler that I built to fit the room I had under the truck. They were setup similar to a flowmaster but round like a glasspack (a no no w/o a spark arrestor). It just burned me a little because I had been there 5 or 6 times with the truck and each time the mufflers were good but then was told they were cracking down on noise levels and homemade mufflers. The problem has since been remedied with an exhaust system all the way to the rear bumper and a flowmaster :thumb: Now I can hear the crickets chirping!
 

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No you didn't say noise but you lumped them all into a catagory called assholes.
You should have gone to the park office and complain. Custom exhausts are legal as longs they meet the criteria.
Typed too slow :sonicjay: but I did go up to the DNR officer that turned me away and talked with him about it. Told me that they were cracking down on "homemade" mufflers (not exhaust systems) because they are not able to verify if they are spark arrested. Whether this is the truth or not, learned my lesson and corrected it so that it won't happen again.
 

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Sounds like you guys did the right thing. I don't know if the rules have changed but as long as they can't stick the stick and they pass noise levels, I've understood that to be OK.

Maybe the expert will weigh in. @kb8ymf

This is directly off the DNR website.

http://www.michigan.gov/dnr/0,4570,7-153-10365_15070-34760--,00.html#exhaust
Testing for compliance with these regulations will be done in a random fashion either within the ORV Area Parking Lot, at the base of the ORV Area entrance ramp roadway by the Safety Check Station, or within the ORV Area sand dune complex itself. Park Rangers or other Law Enforcement Officials may insert a plastic rod into the vehicle's exhaust pipe to determine whether there is a spark arrester or baffle present. Most often home-made baffling devices, such as steel wool or metal door screen material, do not meet the USFS requirements.
 

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Discussion Starter #130
Still thinking about it but more than likely will. Won't be taking the truck if I do and will be taking the General that we got in the fall.

On the truck, I would build it as low as you can now because it is the easiest to change it now vs later on. Easier to go taller after than go lower... I know on my truck the axle truss bottoms out on the frame at full bump and when the shocks are at full droop (18" travel) the driveshaft binds. This is also with radius arms that keeps the axle pinion pointed up at the T-case and lessens the angle. I could solve some of the binding by going to a single u-joint at the T-case rather than a double cardan joint.


yeah i cant have axle go that far up my upper link bars are ontop of the truss and come close to oil pan, i have a drive shaft i was going to grind on to make the double cardan joint move more and see how it does it was just a free shaft from a buddy not sure what it is from.

once i get 16 inch shocks the bodys should be about equal with bottom of frame unlike the 20s that are bolted to truck right now.

once i get my steering set up finished and axle all geared and rebuilt i will set it onto its own weight and try to see what ride height will be, yes going to try getting it lowest i can

i am all new to this since it is my first build, most defiantly learning a lot and hopefully next build someday will be better
 

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Not as old as Whiterhino
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Sounds like you guys did the right thing. I don't know if the rules have changed but as long as they can't stick the stick and they pass noise levels, I've understood that to be OK.

Maybe the expert will weigh in. @kb8ymf
Missed this being offline for a while, @whiterhino is mostly right, but because EVERYONE started cheating with homemade screens, especially the M/C and ATV crowd, the DNR got wise to them. Plus of course, the DNR READS THIS SITE like a lot of other sites. DUH! comes to mind. I'm actually surprised it took this long. Straight through style 'mufflers' are more often a glass pack than they are a baffled muffler. Which is why somewhere in the text it mention a staggered inlet/out configuration as being one of the requirements. At least it used to be. The problem with sticking a stick through is that truck exhaust systems would need a stick about 8-10 feet long. Not very practical.
NOT bringing attention to yourself is really the best solution. They typically won't bother you if you're reasonably quiet. It's when you're border line, or stupid loud it causes them to look further. I suspect that's how most get caught nowadays! I've said this time and time again, NOISE is the one issue that will get SLSD closed sure as it almost got it closed years ago before we proved that the noise level could be controlled and the residents didn't have a leg to stand on for noise emanating out of the park.
Jim-kb8ymf
 

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Discussion Starter #132
Missed this being offline for a while, @whiterhino is mostly right, but because EVERYONE started cheating with homemade screens, especially the M/C and ATV crowd, the DNR got wise to them. Plus of course, the DNR READS THIS SITE like a lot of other sites. DUH! comes to mind. I'm actually surprised it took this long. Straight through style 'mufflers' are more often a glass pack than they are a baffled muffler. Which is why somewhere in the text it mention a staggered inlet/out configuration as being one of the requirements. At least it used to be. The problem with sticking a stick through is that truck exhaust systems would need a stick about 8-10 feet long. Not very practical.
NOT bringing attention to yourself is really the best solution. They typically won't bother you if you're reasonably quiet. It's when you're border line, or stupid loud it causes them to look further. I suspect that's how most get caught nowadays! I've said this time and time again, NOISE is the one issue that will get SLSD closed sure as it almost got it closed years ago before we proved that the noise level could be controlled and the residents didn't have a leg to stand on for noise emanating out of the park.
Jim-kb8ymf
yep, just slap a flowmaster super 40 on and your rig will sound great and pass the rules no problem.
 

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Discussion Starter #137
looking good Allen. Any reason u got rid of the coil overs for the nitrogen shocks?
the coil overs where old and small for the truck i would have to buy all new springs and just didn't really wanna fuck with them so sold them and went nitro shock, will be putting these 20s in the rear and ordering two 16s for the front soon

went with nitro instead of newer coil over because easier to set ride height and do not have to mess with buying different pound springs to get it right. and also few of my mud truck friends run them and jump with them and they work great.
 

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Discussion Starter #139
quick shout out to big shocks, both times i ordered shocks they sent me a few free goodies such as, t shirts both times, stickers koozies, big banner. awesome company thank a ton.
 

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skillicous
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Which is why somewhere in the text it mention a staggered inlet/out configuration as being one of the requirements. At least it used to be.
where can I find the current requirements? I would be bummed to learn that I have a quiet exhaust but get turned away at the gates after driving 3+ hours to get there because I have my exhaust configured in a different way than they wanted me to.

EDIT; I googled it.
http://www.michigan.gov/dnr/0,1607,7-153-10365_15070-34760--,00.html#vehiclereg

Vehicle muffler noise and the use of spark arresters has been a matter of concern regarding the operation of Off-Road Vehicles (ORV) for many years. The State of Michigan ‘s ORV Law has required them since 1975. At Silver Lake State Park a static or stationary test for this equipment is used on all types of vehicles. Noise levels will be checked at a twenty-inch distance from the exhaust pipe at half the vehicle's rated revolutions per minute (RPM) or as detailed in the automotive specifications SAE J1169, March 92 or SAE J1287, June 86. The maximum noise level permitted under these testing conditions will be 94 dBa which is the current limit set by the Off-Road Recreation Vehicles Act of Part 811 of 1994 PA 451 (MCL 324.811). All vehicles are required to have a muffler and spark arrester containing baffles meeting established United States Forest Service (USFS) specifications.

Generally speaking, the guidelines for testing at "half the rate RPM" will be based on some vehicle similarities. In most cases, full-sized vehicles with "V" configured engines will be tested at 2,500 RPM and all others at 2,000 RPM, which was a method developed and used while testing these vehicles at Silver Lake in 1997. Diesel powered, full-sized vehicles are tested at 1,500 RPM. Most reverse flow mufflers will meet the spark arrester requirements, as will most turbochargers. However, straight-through mufflers, such as glass-pack designs without baffles and mechanically driven superchargers, do not qualify as adequate spark arresters.

Motorcycles and ATVs will be tested like the full-sized vehicles by placing a sound meter at a twenty inch distance from the muffler exhaust pipe. In most cases, 80 cc engines will be tested at 6,000 RPM, 125 cc at 5,000 RPM, 250 cc at 4,000 RPM and 500 + cc at 3,000 - 3,500 RPM. Annually, the Motorcycle Industry Council produces a manual detailing the standards ATVs and motorcycles must meet. A muffler that meets the Environmental Acoustic Reduction (E.A.R.) standards may be considered as a viable solution for motorcycles. Many ATV and motorcycle mufflers are stamped as being USFS approved and will meet Silver Lake State Park standards, if they have not been altered. Those vehicles that have been manufactured for "closed track" use only, such as many motocross or "dirt-bike" motorcycles and competition style ATVs, will most likely not meet the requirements. This is also often true where after market installations have altered the original exhaust system in attempts to gain additional horsepower.

Testing for compliance with these regulations will be done in a random fashion either within the ORV Area Parking Lot, at the base of the ORV Area entrance ramp roadway by the Safety Check Station, or within the ORV Area sand dune complex itself. Park Rangers or other Law Enforcement Officials may insert a plastic rod into the vehicle's exhaust pipe to determine whether there is a spark arrester or baffle present. Most often home-made baffling devices, such as steel wool or metal door screen material, do not meet the USFS requirements.
yep, so you basically have to have an offset muffler to be legal...
 
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