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bigbore
Samba Member
Joined: December 19, 2003
Posts: 3297
Location: Wasilla Alaska
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 Posted: Sat Oct 30, 2010 12:00 pm Post subject: |
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Headers junk or not none of them has a proper heat riser set up. You have to modify them to get it right.
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where its cold and snowy |
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74lovebug
Samba Member
Joined: November 30, 2008
Posts: 71
Location: oregon
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| Posted: Sun Oct 31, 2010 6:39 pm Post subject: |
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| Wildthings wrote: |
| Sawsalesman wrote: |
| I think most of us are blowing by the fact the OP explained why he wanted to do this but we didn't really read his post. According to him his heat risers are hot and his manifold under the carb is warm. This is exactly what you want so I'm not sure why he needs a different muffler. |
Actually it sounds like he has a junk set of aftermarket headers where the exhaust gases kind of bounce back and forth from one side of the manifold to the other and don't get the center warm. With a stock set up it should flow through and warm the center well, not just move back and forth. Aftermarket headers may work fine in a hot climate but are well known for killing power, driveability, gas mileage in a cold wet climate. |
This is what I was trying to get at!! I installed the bug muffler and it fit really good. I like how it looks too. I'll post a pic asap
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01 integra GSR-T
74 VW bug
70 Vw bus |
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74lovebug
Samba Member
Joined: November 30, 2008
Posts: 71
Location: oregon
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| Posted: Sun Oct 31, 2010 6:55 pm Post subject: |
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Here it is, I painted the muffler with high temp black tape, sorry you can really see it but focus and you'll see it!!
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01 integra GSR-T
74 VW bug
70 Vw bus |
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GeorgeL
Samba Member
Joined: January 16, 2006
Posts: 7346
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| Posted: Sun Oct 31, 2010 7:17 pm Post subject: |
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I ran a bug muffler for a while on my '71. I even ran larger-than-stock peashooters without baffles. No problem with clearance on either apron or bumper. However, without the baffles it was rather loud and tended to set off car alarms in parking garages.
Eventually I went back to the bus muffler and outlet. Much nicer. |
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Hippie
Samba Tinner
Joined: August 16, 2004
Posts: 1781
Location: Iowa: The Mud State
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| Posted: Sun Oct 31, 2010 7:21 pm Post subject: |
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| 1970fun wrote: |
I made 2 brackets and shortened the end T3 tips about 4cm.
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That is beautiful, bro.
Nice Bus, nice job. |
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SGKent 
Samba Member
Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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| Posted: Sun Oct 31, 2010 8:08 pm Post subject: |
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more chance of exhaust being ingested into the bus. They put it to the side in the slip stream for a reason. When you see a bus with a bug muffler it will normally have soot on the back. It swirls around in that dead air pocket behind the bus. If the tubes are getting warm but not hot with your headers, look to see if the holes are drilled out properly on the headers. They normally come plugged.
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“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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64delux
Samba Member
Joined: November 15, 2007
Posts: 138
Location: Australia
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| Posted: Tue May 03, 2011 12:25 am Post subject: |
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| 1970fun wrote: |
| moxnix wrote: |
Verrry interesting approach to a bus muffler. Cool.
Are the T3 pipes less restrictive than stock T2, or is the extra breathing
due to simply that there are two of them. |
They are mainly less restrictive because the pipe diameter that goes into the mufler is 35mm(x2)!, a standard 1500/1600 bus mufler outlet is 32mm(x1)
The type3 end tips are reversed mounted. |
So is a beetle muffler pipe diameter and Type 3 the same and a bus muffler 3 mm smaller?
That means the type 3 damper will fit a beetle muffler but a bus damper wont? |
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1961bluebug
Samba Member
Joined: November 11, 2002
Posts: 1137
Location: Czech Republic, Europe
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| Posted: Wed Jun 20, 2018 5:05 am Post subject: Re: Bug muffler in a bus?? |
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watching with interest
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|82x94|
1961 Deluxe beetle, 1971 type 181, 1968 T2a Baywindow, 1973 Type 147 "Swiss Fridolin"(sold), 1966 Deluxe sedan (sold), 1983 "Silver Bug" edition (sold), 1961 beetle (sold) |
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bigbore
Samba Member
Joined: December 19, 2003
Posts: 3297
Location: Wasilla Alaska
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| Posted: Wed Jun 20, 2018 7:18 am Post subject: Re: Bug muffler in a bus?? |
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boy almost 7 years to the day when this thread died but its not a bad thread. 
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1970fun
Samba Member
Joined: August 24, 2008
Posts: 209
Location: Holland
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| Posted: Thu Jun 21, 2018 12:55 pm Post subject: Re: Bug muffler in a bus?? |
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I’m still running this exhaust, and fitted a original westy towbar with no problems.
Running a 1776 now and it makes a nice throaty somewhat darker original 1 pipe bus exhaust sound but still quiet. |
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