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OB Bus Samba Member
Joined: February 09, 2003 Posts: 2531 Location: Ocean Beach in Beautiful BLUE California
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Posted: Fri Jun 02, 2017 2:00 pm Post subject: Re: 1971 stock muffler modification? |
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asiab3 wrote: |
Those one-piece circle clamps are inherently flawed, I'll try to find the thread on why…
Robbie |
They are flawed because to get them on you need one hand to hold them closed enough to line up a bolt, one hand to steady the bolt and one hand to work the wrench. That is one more hand than I have. And my hands and fingers are pudgy. Also working that close causes heck with the bifocals. (Wait, is this the old man rant topic????) _________________ Larry in OB
Stop dead photo links! Post your photos to The Samba Gallery!
69 Westfalia and 2002 Eurovan Camper. |
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1970fun Samba Member
Joined: August 24, 2008 Posts: 208 Location: Holland
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Posted: Sat Jun 03, 2017 12:38 am Post subject: Re: 1971 stock muffler modification? |
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1970fun wrote: |
Still running and loving it, i had a vintage speed as well but these are too loud and too restrictive!
I started with a new Ernst muffler and found the 2 NOS pipes on a swapmeet.
I would go for Ernst or Leistriz as Dansk is not really a quality muffler, feel the weight between them
It even fits with a towbar, maybe i can post a sound video next week. |
I can shoot a video this weekend, mind you i'm running a 1775 with a 37mm carb, further stock.
For a even better flow you could remove the sieves from where cilinder no 1 and 3 are connected just like oettinger did on their 2 litre type1 engines, but that makes it allot louder i did that with another exhaust that was comming of a original Oettinger 2 litre engine that had a leistriz with the sieves allready removed.
The brackets are simply to fabricate, just a piece of flatbar and 2 U-shaped exhaust clamps.
You have to weld 2 pieces of flabar at ech side of the exhaust where you can mount the 2 bolted on brackets. if you need mesuraments than i have to crawl under the bus
I did the positioning and welding on the bus so that the right side is exactly the same as the left side as you don't have any refference points to hold on to if it is outside the bus. |
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Bulli Klinik Samba Member
Joined: January 16, 2005 Posts: 2065 Location: Bulli Klinik, Colorado Springs
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Posted: Sat Jun 03, 2017 9:06 am Post subject: Re: 1971 stock muffler modification? |
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Could you please post photos of the Oettinger modified exhaust? I have an Okrasa motor from 66 which doesn't have the original exhaust and would like to return it to original.
Thanks! _________________ I've never met a Bus I didn't like.
Mike K
Bulli Klinik
Colorado Springs |
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Brian Samba Moderator
Joined: May 28, 2012 Posts: 8340 Location: Oceanside
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Posted: Sat Jun 03, 2017 4:47 pm Post subject: Re: 1971 stock muffler modification? |
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Gary, we'll see if we can find you a good one tomorrow if you haven't gotten any leads on some other ones. _________________ Wash your hands
'69 Bug
'68 Baja Truck
'71 Bug
'68 Camper
Only losers litter |
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airschooled Air-Schooled
Joined: April 04, 2012 Posts: 12688 Location: on a bike ride somewhere
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Posted: Sat Jun 03, 2017 7:19 pm Post subject: Re: 1971 stock muffler modification? |
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Brian wrote: |
Gary, we'll see if we can find you a good one tomorrow if you haven't gotten any leads on some other ones. |
Better thought: Gary, come to the Pomona Swap with us tonight or tomorrow! _________________ Learn how your vintage VW works. And why it doesn't!
One-on-one tech help for your Volkswagen:
www.airschooled.com |
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aeromech Samba Member
Joined: January 24, 2006 Posts: 16926 Location: San Diego, California
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Posted: Sat Jun 03, 2017 8:41 pm Post subject: Re: 1971 stock muffler modification? |
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Nice of you to offer guys. Keep a look out. Text me if you find something. I appreciate it. _________________ Lead Mechanic: San Diego Air and Space Museum
Licensed Airframe and Powerplant Mechanic
Licensed Pilot (Single engine Land)
Boeing 727,737-200-300-400,757,767
Airbus A319,320,321
DC9/MD80
BAe146
Fokker F28/F100
VW type 1 1962,63,65,69,72
VW Type 2 1971 (3 ea.) 1978, 1969
VW Jetta
VW Passat
Capable of leaping tall buildings in a single bound |
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wcfvw69 Samba Purist
Joined: June 10, 2004 Posts: 13385 Location: Arizona
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Posted: Sat Jun 03, 2017 8:59 pm Post subject: Re: 1971 stock muffler modification? |
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aeromech wrote: |
Nice of you to offer guys. Keep a look out. Text me if you find something. I appreciate it. |
Come on Gary! Just because you recently celebrated the big 60 doesn't mean you can't go out to Pomona and show those young millennial whippersnappers how the baby boomers can tear it up and party!
Go represent us proudly! _________________ Contact me at [email protected]
Follow me on instagram @sparxwerksllc
Decades of VW and VW parts restoration experience.
The Samba member since 2004.
**Now rebuilding throttle bodies for VW's and Porsche's**
**Restored German Bosch distributors for sale or I can restore yours**
**Restored German Pierburg fuel pumps for sale or I can restore yours**
**Restored Porsche fuel pumps or I can restore yours**
**Restored Porsche distributors or I can restore yours** |
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aeromech Samba Member
Joined: January 24, 2006 Posts: 16926 Location: San Diego, California
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Posted: Sat Jun 03, 2017 9:14 pm Post subject: Re: 1971 stock muffler modification? |
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I'm a busy man. Just got back from spending a free night at the casino. Then I rebuilt some drive shafts on a Vanagon. In the morning I have a new 1968 bus owner coming by to meet me at 10 and at noon I have a 1971 bus coming out of the paint shop. I might be able to be free between 2:45 and 3:15 tomorrow. _________________ Lead Mechanic: San Diego Air and Space Museum
Licensed Airframe and Powerplant Mechanic
Licensed Pilot (Single engine Land)
Boeing 727,737-200-300-400,757,767
Airbus A319,320,321
DC9/MD80
BAe146
Fokker F28/F100
VW type 1 1962,63,65,69,72
VW Type 2 1971 (3 ea.) 1978, 1969
VW Jetta
VW Passat
Capable of leaping tall buildings in a single bound |
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Abscate Samba Member
Joined: October 05, 2014 Posts: 22568 Location: NYC/Upstate/ROW
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Posted: Sun Jun 04, 2017 1:57 am Post subject: Re: 1971 stock muffler modification? |
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OB Bus wrote: |
asiab3 wrote: |
Those one-piece circle clamps are inherently flawed, I'll try to find the thread on why…
Robbie |
They are flawed because to get them on you need one hand to hold them closed enough to line up a bolt, one hand to steady the bolt and one hand to work the wrench. That is one more hand than I have. And my hands and fingers are pudgy. Also working that close causes heck with the bifocals. (Wait, is this the old man rant topic????) |
What about the hand to hold up your pants?? Or have you figured out how to stitch your Depends to your pants to solve that problem! Enjoy youth while you can. Time to watch Matlock... _________________ .ssS! |
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1970fun Samba Member
Joined: August 24, 2008 Posts: 208 Location: Holland
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Posted: Fri Jun 09, 2017 4:08 am Post subject: Re: 1971 stock muffler modification? |
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Bulli Klinik wrote: |
Could you please post photos of the Oettinger modified exhaust? I have an Okrasa motor from 66 which doesn't have the original exhaust and would like to return it to original.
Thanks! |
Sorry i don't have that exhaust anymore, the sieves were removed that's all i can tell about it. |
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Dubbin68 Samba Member
Joined: June 27, 2006 Posts: 253 Location: Duluth, MN
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Posted: Wed Jun 13, 2018 9:41 am Post subject: Re: 1971 stock muffler modification? |
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I'm sorry to revive this, but what is the verdict on putting bus dampers on a bettle muffler? I've read through dozens of threads, however no one offers a "yes they'll fit the muffler" or "no they wont" answer.
Previously in this thread someone was going to try to mount a bus damper on a beetle muffler, however he never followed it up.
Is the diameter of the bus damper the same as the diameter of the beetle muffler opening? Or is is off by a 1/4-1/2 inch.
Thanks for your responses. _________________ 68' Westy Weekender
73' Squareback
69’ Beetle |
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ToolBox Samba Member
Joined: January 27, 2004 Posts: 3439 Location: Detroit, where they don't jack parts off my ride in the parking lot of the 7-11
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Posted: Thu Jun 14, 2018 10:15 am Post subject: Re: 1971 stock muffler modification? |
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Dubbin68 wrote: |
I'm sorry to revive this, but what is the verdict on putting bus dampers on a bettle muffler? I've read through dozens of threads, however no one offers a "yes they'll fit the muffler" or "no they wont" answer.
Previously in this thread someone was going to try to mount a bus damper on a beetle muffler, however he never followed it up.
Is the diameter of the bus damper the same as the diameter of the beetle muffler opening? Or is is off by a 1/4-1/2 inch.
Thanks for your responses. |
Bus damper is smaller, you could always have a bushing made and welded to Bus dampers to install on a Bug muffler. |
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SGKent Samba Member
Joined: October 30, 2007 Posts: 41031 Location: Citrus Heights CA (Near Sacramento)
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Posted: Thu Jun 14, 2018 10:26 am Post subject: Re: 1971 stock muffler modification? |
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If by bus damper you mean the single muffler-tailpipe, it was designed to hold down bus RPM's. The bus single muffler-tailpipe will give a noticeable drop in power but engines will last longer because it can't be pushed as hard. _________________ “Most people don’t know what they’re doing, and a lot of them are really good at it.” - George Carlin |
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Zed999 Samba Member
Joined: March 04, 2018 Posts: 1241 Location: UK
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Posted: Thu Jun 14, 2018 12:16 pm Post subject: Re: 1971 stock muffler modification? |
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I'm fairly sure bus tail pipes do fit the beetle muffler, I ran that setup on one of my engines with the tail pipes shortened. |
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aeromech Samba Member
Joined: January 24, 2006 Posts: 16926 Location: San Diego, California
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Posted: Thu Jun 14, 2018 1:05 pm Post subject: Re: 1971 stock muffler modification? |
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Bug muffler. T3 dampers with some welding done to fit.
Soon I'm going to have the dampers flame sprayed at the powder coating place. _________________ Lead Mechanic: San Diego Air and Space Museum
Licensed Airframe and Powerplant Mechanic
Licensed Pilot (Single engine Land)
Boeing 727,737-200-300-400,757,767
Airbus A319,320,321
DC9/MD80
BAe146
Fokker F28/F100
VW type 1 1962,63,65,69,72
VW Type 2 1971 (3 ea.) 1978, 1969
VW Jetta
VW Passat
Capable of leaping tall buildings in a single bound |
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Danwvw Samba Member
Joined: July 31, 2012 Posts: 8892 Location: Oregon Coast
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Posted: Thu Jun 14, 2018 1:18 pm Post subject: Re: 1971 stock muffler modification? |
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That looks a little weird but is sure is a nice job!
I don't know if you looked in the muffler where it goes to the heater boxes but I had my Leistritz off the other day and it is really restricted right off the bat! There are just little slots cut in a star pattern there forming the first restrictor. Makes worrying about ID etc useless. _________________ 1960 Beetle And 1679cc DP W-100 & Dual Zeniths! |
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aeromech Samba Member
Joined: January 24, 2006 Posts: 16926 Location: San Diego, California
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Posted: Thu Jun 14, 2018 1:28 pm Post subject: Re: 1971 stock muffler modification? |
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It's an 1800 engine. The idea was to allow more flow and keep the advantages of a stock muffler for carb heat. I plan to level out the dampers so they have less of a down angle by cutting off the left rear tie down from the bumper support. _________________ Lead Mechanic: San Diego Air and Space Museum
Licensed Airframe and Powerplant Mechanic
Licensed Pilot (Single engine Land)
Boeing 727,737-200-300-400,757,767
Airbus A319,320,321
DC9/MD80
BAe146
Fokker F28/F100
VW type 1 1962,63,65,69,72
VW Type 2 1971 (3 ea.) 1978, 1969
VW Jetta
VW Passat
Capable of leaping tall buildings in a single bound |
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Ry-dog Samba Member
Joined: May 31, 2003 Posts: 450 Location: Lunenburg, MA
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Posted: Tue Jan 15, 2019 10:12 am Post subject: Re: 1971 stock muffler modification? |
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What is the O.D. of the T3 tail pipe/dampner pipe that you used?
I tracked down parts to make both tail pipe/dampners, but it is the 2-piece setup up to '71 T3 (1-3/8" O.D.). Fits perfectly into the bug outlet exhaust openings and slip inside smoothly.
I see there are the one-piece T3 tail pipe/dampners, but I am only finding those with a 1-5/8" O.D. which won't slip into the bug outlet exhaust openings.
Does anyone see any advantage to modifying the stock bug outlet exhaust openings to accommodate the 1-5/8" O.D. T3 one-piece tail pipe/dampner (and allow them to slip into the opening properly)? I figure no, because the rest of the exhaust system is still limited by the stock sized heater boxes and stock sized heads? _________________ '70 Westy
'14 Jeep Grand Cherokee EcoDiesel |
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aeromech Samba Member
Joined: January 24, 2006 Posts: 16926 Location: San Diego, California
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Posted: Mon Jan 21, 2019 10:21 am Post subject: Re: 1971 stock muffler modification? |
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I took my T3 dampers to RW Little, a local powder coating company. They applied "flame spray". Here's how they look
_________________ Lead Mechanic: San Diego Air and Space Museum
Licensed Airframe and Powerplant Mechanic
Licensed Pilot (Single engine Land)
Boeing 727,737-200-300-400,757,767
Airbus A319,320,321
DC9/MD80
BAe146
Fokker F28/F100
VW type 1 1962,63,65,69,72
VW Type 2 1971 (3 ea.) 1978, 1969
VW Jetta
VW Passat
Capable of leaping tall buildings in a single bound |
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TomWesty Samba Member
Joined: November 23, 2007 Posts: 3482 Location: Wyoming,USA
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Posted: Tue Jan 22, 2019 2:46 pm Post subject: Re: 1971 stock muffler modification? |
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Damn! That looks good! _________________ If you haven't bled on them, you haven't worked on them.
Visit: www.tomcoryell.com and check out my music! |
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