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1954 Exhaust Layout

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Old 01-06-2014, 11:42 AM
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TNVettGuy
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Default 1954 Exhaust Layout

My 54 exhaust has one muffler that is connected to the exhaust manifold and the other muffler is hanging there but not connected to anything. Almost as it it is a dummy muffler. Was there originally a crossover pipe to connect the two? If so, does anyone have a good pic of the undercarriage so I can see how and where they connect?

Thanks - Matt
Old 01-06-2014, 11:57 AM
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csherman
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on the 235 six in the 53 54 and 55 - all Vettes had a split exhaust manifold
The rear outlet sent exhaust down a pipe - that flowed down the drivers side and out
The front outlet sent exhaust under the engine and down a pipe that flowed down the passenger side and out
Tons of photos in Nolans book
http://www.google.com/imgres?sa=X&bi...&tx=112&ty=101
If you only have one outlet - check the engine - you might have the orig engine - it may be a 235 transplant.....
Passenger car manifolds are a single outlet

Last edited by csherman; 01-06-2014 at 05:01 PM.
Old 01-06-2014, 02:26 PM
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DZAUTO
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Originally Posted by csherman
on the 235 six in the 53 54 and 55 - all Vettes had a split exhaust manifold
The rear outlet sent exhaust down a pipe - that flowed down the drivers side and out
The front outlet sent exhaust under the engine and down a pip that flowed down the passenger side and out
Tons of photos in Nolans book
http://www.google.com/imgres?sa=X&bi...&tx=112&ty=101
YEP, ALLLLLLLLLLLLLLL 6cyl Vettes had a factory dual exhaust manifold like the one below. Is this manifold not on your car????






Old 07-29-2014, 11:29 PM
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corona54
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my 54 has a plate to separate manifolds but my flap damper hits it why
Old 07-29-2014, 11:36 PM
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DZAUTO
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Originally Posted by corona54
my 54 has a plate to separate manifolds but my flap damper hits it why
I have no clue what you are describing. How about some pictures?
Old 07-29-2014, 11:37 PM
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corona54
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and my new motor keeps seizing valves in my guide on 1954 3 times so far how much oil should come out of rocker arm top hole i pinched off over flow tube for more flow i only get 30 miles out of head then it will seize help
Old 07-29-2014, 11:40 PM
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corona54
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It separates intake manifold from exhaust manifold next to the damper flap
Old 07-29-2014, 11:44 PM
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corona54
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my car is complete just have this valve problem it sucks. people love this car i want to drive it
Old 07-29-2014, 11:45 PM
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Old 07-29-2014, 11:50 PM
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corona54
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my 54 has a 18 Gage plat between

the manifolds should it be there ?
Old 07-29-2014, 11:55 PM
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corona54
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your manifold pic with the 4 bolt holes is there a plate that covers that or will that bolt directly to intake no plate
Old 07-30-2014, 10:04 AM
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jim lockwood
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Originally Posted by corona54
and my new motor keeps seizing valves in my guide on 1954 3 times so far how much oil should come out of rocker arm top hole i pinched off over flow tube for more flow i only get 30 miles out of head then it will seize help
Can you add some punctuation to your postings so a reader can tell where one sentence ends and another starts? Capitalization, too, would be helpful.
Old 07-30-2014, 10:14 AM
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Thank you, jim!
Old 08-03-2014, 10:36 AM
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corona54
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Heat plate thank you jim !
Old 08-04-2014, 09:25 AM
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There is a heat riser block off plate, that goes between the intake manifold and the exhaust manifold.
It prevents heat (supposed to) from heating up the intake.
below is what one looks like......
http://www.ebay.com/itm/Corvette-1953-1954-Heat-Plate-Exhaust-Intake-Manifolds-/141293614801?pt=Vintage_Car_Truck_Parts_Accessories&hash=item20e5c176d1&vxp=mtr

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