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#433232 - 07/03/07 09:52 PM 1954 dual exhaust
Rooster Offline
Member

Registered: 06/24/05
Posts: 254
Loc: Western Australia
1954s must be the flavour of the month going on the recent posts here --- and why not ! wink
Anyhow, I'm after info on the practicality ( can it be done ? ) of installing a dual exhaust on a 1954 model. I believe it's very busy on the left manifold side with steering box , brake master etc. but has anybody routed an exhaust pipe through that maze ?

Ken.

1929
(1954)
_________________________
Ken ( aka Rooster --- from Down Under )

1929 Tourer model 25
1954 Roadmaster Riviera model 76R ( Irene)

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#433366 - 07/04/07 04:35 PM Re: 1954 dual exhaust [Re: Rooster]
Fr. Buick Offline
Member

Registered: 11/01/00
Posts: 243
Loc: back to school in bella Roma a...
I've seen one done at a car show once, granted it had a 401. Holes were cut in the X member of the frame inboard from the master cylinder. It strikes me as a bad idea for two reasons: First, you got a hole in the frame!! And second, heat is getting to the master cylinder.

An option - It would not be hard to remove the lousy restriction in the way the factory Y pipe was made, and then run duals down-stream from the muffler for a balanced look. Since the engine in not big displacement or high revs, I would not imagine much improvement in a true dual exhaust.

Just some untried thoughts as I consider the same on my own '54...
_________________________
Rev. Douglas J Cook:
1996 Impala SS taking too much time and money from my Buicks;
1954 Special under restoration;
1924 Buick 4-cyl roadster.

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#433577 - 07/05/07 08:09 PM Re: 1954 dual exhaust [Re: Fr. Buick]
1938McLaughlin Offline
Member

Registered: 11/07/05
Posts: 48
Loc: Ontario, Canada
Just a couple ideas.
First one I would be inclined to attempt, is running the exhaust from the drivers side along the original path, but instead of joined the right side continue it all the way back and have it exit on the passenger side. Then run the exhuast from the passenger side back and cross it over to the drivers side at the rear. That way the two pipes would end up being similar in length. Just don't make the diameter to big, you want to keep the velocity up

The other option is to have a nicely made single system of adequite size made up (mandrel bent).
Much of the stuff muffler shops put on, the bends are all crimped up, and the flow is restricted.


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#433851 - 07/07/07 07:48 PM Re: 1954 dual exhaust [Re: 1938McLaughlin]
Rooster Offline
Member

Registered: 06/24/05
Posts: 254
Loc: Western Australia
Thanks for your ideas. Sounds like the latter one is probably worth investgating.
Although if one wasn't concerned about cutting hole on frame that's a possibility as well.
Any more ideas please post.

Cheers,
Ken.

1929
( 1954 )
_________________________
Ken ( aka Rooster --- from Down Under )

1929 Tourer model 25
1954 Roadmaster Riviera model 76R ( Irene)

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#434270 - 07/09/07 09:38 PM Re: 1954 dual exhaust [Re: Rooster]
JohnD1956 Offline
Member

Registered: 03/29/03
Posts: 2451
Loc: New York
Would the exhaust from a 56 fit? The master cylinder for the 56 is also way down in the engine compartment, but I believe it is diferent than the 55 and 54's. Still the rest of the car is basically the same so it seems the pipes ought to be interchangeable once the manifold is considered.

The bigger problem with the 56 exhaust is over the rear axle. Honestly, I cannot believe the contortions those pipes go through back there.

John D
_________________________
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56 Super 56R
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