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Cesar Rull
Joined: 08 Sep 2012 Posts: 317 Location: United States, Florida, Pembroke Pines
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Posted: Tue Oct 30, 2012 10:30 pm Post subject: question regarding RLV Moran / Infineon Spec |
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I ordered a silencer above with me engine package. It all arrived and it is not on the kart. I noticed the exit end of the pipe it aiming exactly on top of the corner of the plastic bumper. there is about 1.5" clearance at mosr.
I have two questions, The exit port is aiming down and has a flange.
what is the purpose of the flange at the end? Can I eliminate it to get more clearance from the bumper?
I know the silencer point down in efforts to be quieter from reading another thread, is this correct?
my other question is will the bumper be affected by the heat of the exhaust (get heated / deform etc)
Thanks.[img][/img] |
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Mike Goebel
Joined: 28 Jul 2001 Posts: 5765 Location: United States, California, Winnetka
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Posted: Wed Oct 31, 2012 5:24 am Post subject: |
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Just aim it out to the side or middle of the kart
Mike G. _________________ Closet KZ Lover!!!
mfg Technology Centre
So Cal’s #1 Non Profit Engine Builder |
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Tyson Henry
Joined: 10 Aug 2011 Posts: 343 Location: United States, Texas, Arlington
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Posted: Wed Oct 31, 2012 10:44 am Post subject: |
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^^ What he said.
Here come endless questions..... |
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Cesar Rull
Joined: 08 Sep 2012 Posts: 317 Location: United States, Florida, Pembroke Pines
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Posted: Wed Oct 31, 2012 11:13 am Post subject: |
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| Here come another "smart ass" |
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John Matthews
Joined: 04 Dec 2004 Posts: 1986 Location: United States, Michigan, Williamsburg
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Posted: Wed Oct 31, 2012 11:32 am Post subject: |
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rep·u·ta·tion
noun \ˌre-pyə-ˈtā-shən\
Definition of REPUTATION
1
a : overall quality or character as seen or judged by people in general
b : recognition by other people of some characteristic or ability <has the reputation of being clever>
2
: a place in public esteem or regard : good name <trying to protect his reputation>
— rep·u·ta·tion·al adjective
See reputation defined for English-language learners »
See reputation defined for kids »
Examples of REPUTATION
He has earned a reputation as a first-class playwright.
a teacher with a reputation for patience
Poor customer service has ruined the company's reputation.
Origin of REPUTATION
Middle English reputacion, from Anglo-French, from Latin reputation-, reputatio consideration, from reputare
First Known Use: 14th century |
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Cesar Rull
Joined: 08 Sep 2012 Posts: 317 Location: United States, Florida, Pembroke Pines
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Posted: Wed Oct 31, 2012 11:43 am Post subject: |
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Glad you're doing good in your studies.  |
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Greg Wright
Joined: 25 Oct 2001 Posts: 2495 Location: United States, Indiana, Clermont
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Posted: Wed Oct 31, 2012 12:01 pm Post subject: |
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Are the tracks in your area requiring additional silencing than normal? If not you bought the wrong silencer.
That silencer was designed to cover noise problems at two tracks Moran's (No longer with us) and Infineon. Both in California. _________________ Greg Wright
Rapid Racing Inc.
NKN Columnist & Host "Karting News Live"
I AM INDY!!
"When in doubt, gas it. It won't help but it ends the suspense." |
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Tyson Henry
Joined: 10 Aug 2011 Posts: 343 Location: United States, Texas, Arlington
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Posted: Wed Oct 31, 2012 12:06 pm Post subject: |
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| No, he did just fine. It's a 14" silencer and will work perfectly ok. It's not the 18" laguna seca one. |
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Cesar Rull
Joined: 08 Sep 2012 Posts: 317 Location: United States, Florida, Pembroke Pines
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Posted: Wed Oct 31, 2012 12:25 pm Post subject: |
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| Greg Wright wrote: | Are the tracks in your area requiring additional silencing than normal? If not you bought the wrong silencer.
That silencer was designed to cover noise problems at two tracks Moran's (No longer with us) and Infineon. Both in California. |
Hi Greg, no noise requirements to comply with that I know off.
tyson is right, that is a 14" silencer.
I just e-mail my engine builder and we discussed me taking the pipe to the muffler shop and have them cut the angled tube. I just wonder if it just easier to exchange the silencer rather than to hack this one in efforts to have good results.
I wonder if I cut it, if I will change any of the characteristics of it in terms of performance (back pressure) and if it will sound like a nasty old lawnmower. I don't want that. |
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Ken Schilling
Joined: 01 Dec 2005 Posts: 1338
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Posted: Wed Oct 31, 2012 12:34 pm Post subject: |
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| Cesar Rull wrote: | | Greg Wright wrote: | Are the tracks in your area requiring additional silencing than normal? If not you bought the wrong silencer.
That silencer was designed to cover noise problems at two tracks Moran's (No longer with us) and Infineon. Both in California. |
Hi Greg, no noise requirements to comply with that I know off.
tyson is right, that is a 14" silencer.
I just e-mail my engine builder and we discussed me taking the pipe to the muffler shop and have them cut the angled tube. I just wonder if it just easier to exchange the silencer rather than to hack this one in efforts to have good results.
I wonder if I cut it, if I will change any of the characteristics of it in terms of performance (back pressure) and if it will sound like a nasty old lawnmower. I don't want that. |
Cesar, unless you race at the Infineon kart track in NorCal, which I believe requires the shifters to use both an airbox and the 14" Moran spec silencer, just cut the angled downpipe off (I did on my 14" M4 silencer). When you cut it off, I used a hacksaw and held the silencer in a vise, just leave a little bit so you can smooth it down with a belt sander then file off the burrs. No, it won't negatively effect performance, it's there simply to direct the sound. _________________ Ken Schilling
#21x / S4 / ProKart Challenge (PKC)
SKUSA Data Administrator
Good luck is where preparation and opportunity meet!!!
The opinions I express are mine alone and do not reflect those of any organization of which I am a member. |
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Cesar Rull
Joined: 08 Sep 2012 Posts: 317 Location: United States, Florida, Pembroke Pines
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Posted: Wed Oct 31, 2012 12:40 pm Post subject: |
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| thank you for the help guys. |
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Tim Salvino
Joined: 20 Nov 2010 Posts: 257
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Posted: Wed Oct 31, 2012 1:03 pm Post subject: |
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| Why cant you just rotate it so it's not pointing at the bumper? |
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Tyson Henry
Joined: 10 Aug 2011 Posts: 343 Location: United States, Texas, Arlington
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Posted: Wed Oct 31, 2012 1:12 pm Post subject: |
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| Tim Salvino wrote: | | Why cant you just rotate it so it's not pointing at the bumper? |
DING DING DING DING |
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Ken Schilling
Joined: 01 Dec 2005 Posts: 1338
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Posted: Wed Oct 31, 2012 1:22 pm Post subject: |
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| Tyson Henry wrote: | | Tim Salvino wrote: | | Why cant you just rotate it so it's not pointing at the bumper? |
DING DING DING DING |
That's too simple...!  _________________ Ken Schilling
#21x / S4 / ProKart Challenge (PKC)
SKUSA Data Administrator
Good luck is where preparation and opportunity meet!!!
The opinions I express are mine alone and do not reflect those of any organization of which I am a member. |
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Roger Miller Site Admin
Joined: 19 Jul 2001 Posts: 2923 Location: United States, California, San Jose
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Posted: Wed Oct 31, 2012 4:06 pm Post subject: |
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| FYI - the washer on the end of the out tube is required by the rules. This is to prevent it from being a hole punch on someone's body when things go wrong. There is wording around rolled edges, washers, etc. Not sure if all sanctioning bodies have that language somewhere, but I do know of at least one. |
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