Period Correct Exhaust Build

[Bassman/NZ]

Originally Posted by 49r

x2. That's how I did it in the 1970's.

Hahaha... maybe it was a kiwi thing?

[blucar]

Originally Posted by uncle max

All welds should be made with coat-hangers and a torch.

Actually coat-hangers for gas welding is a "Jonny-come-lately" type of welding rod...
Baling wire, i.e. mild steel tie wire was the welding rod of choice in the muffler (Hot Rod) shop that I worked in during the very early '50's..
We used OXY/AC to braze all of the split manifolds we made..
Prior to 1953 I made spilt manifolds and/or headers for most of the deceased brands of automobiles.. Chrosley, Nash, Dodge/Plymouth, Packard, Pontiac, etc.
Difficult bends were made using flex pipe.. or U bends cut and welded together... Pipe benders were unheard of...
Of course if a customer had big bucks we would order a set of "Belond Headers..
I still have a pair of Belond Headers hanging on the wall of my garage.. Bought them for my '36 Ford, put them on, took them off, all within the same day...

[blucar]

Originally Posted by ford38v8

Run a pair of torque tubes under the axle. Pennies in the crossovers, no mufflers.
Hoo Yah! Rumble like ya mean it!

The preferred torque tubes for exhaust tips, i.e. from the axle to the rear bumper were the tapered tubes, '36 and earlier.. They are close to 2-1/2" IN the center, tapering to about 1-1/2" at the end..
The ends near the rear bumper were generally cut on an angle... Made the "Boom Cans" look bigger... Been there done that...
I can still remember the first spit manifold I made, it was for a '38 Chevy 4dr..
Burnt a hole in the rear portion of the manifold, brazed a piece of water pipe into the hole, attached a length of flex pipe, brazed to the pipe extension, ran the flex pipe out through the frame,tying same in place with baling/tie wire... Had customers lined up at the shop wanting us to do their cars...
And people think that "Old School" is/was so neat...

[BrianCT]

Originally Posted by Bassman/NZ

Dont forget ripple pipes! Just heat and bend, the ripples actually look quite cool.

I still have a pair of those, but always wondered about the flow patterns.

[Bassman/NZ]

Originally Posted by BrianCT

I still have a pair of those, but always wondered about the flow patterns.

Haha... probably made no difference. We tend to overthink the capabilities of the flathead..... eg: in dyno results there are no difference between headers and stock manifolds. Now that goes contrary to what most of us would think, but there it is in black and white.

[JM 35 Sedan]

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Originally Posted by 1962300

Who does what?
I am building a late 1940's style 1932 Roadster...with a Flathead and dual 97's.

I need to design the exhaust.
I have Red's Headers to start. (not as period correct as making my own, I know)
I am interested in knowing what anyone may have done to create a Period Correct Exhaust from the Headers on back...
- All pipes slip fit?
- System held by hangers and not welded to frame
(Anyone sell vintage style hangers?)

Thanks!

Lake exhaust headers for my Traditional Hot Rod Project being made from '35-'36 hollow drive shaft and other purchased components.....

[JonC]

Most likey traditional exhaust were whatever you happened have have around and could make work. I can remember 45 years ago laying in snowbanks trying anything that would work under an old car to get it to school the next day. So I never meant to poke too much fun with my soup can idea but it sure saved my ass a few times, that, some wire, and those modern expensive hose clamp things