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-   -   Model A firewall (https://allmetalshaping.com/showthread.php?t=2133)

ELpolacko 12-01-2010 01:42 PM

Model A firewall
 
We have a build going on here that the owner has let me use my creative talents on. Actually tough to do these days! :cool:

The stock firewall was not going to work with the 57 Olds engine even with moving the radiator forward three inches. Most guys build some sort of recess or flip the firewall around, but this build deserves so much more.

Since the car has a '32 Ford vibe going on I wanted a firewall that sort of fit the theme we had going on. One of my guys, Bob started by making some poster board patterns.

http://i206.photobucket.com/albums/b...W/IMG_1872.jpg

http://i206.photobucket.com/albums/b...W/IMG_1873.jpg

After the patterns were made we discussed how to bead roll it. We wanted a pattern similar to the '32 but a bit smaller and simpler to fit the simpler lines of the A. I had already done a bead rolled firewall on my fathers 37 Ford, by the time I was done closing the ends and flattening things out I could have made a stamping.

Dad's firewall:

http://i206.photobucket.com/albums/b...d/IMG_1739.jpg

Bob and I sketched a few things out on the layout pattern and I started drawing up the die to cut out on the CNC, weld it and punch it using my pressbrake.

http://i206.photobucket.com/albums/b...W/IMG_1887.jpg

http://i206.photobucket.com/albums/b...W/IMG_1890.jpg

http://i206.photobucket.com/albums/b...W/IMG_1892.jpg

http://i206.photobucket.com/albums/b...W/IMG_1894.jpg

This was the first test, it turned out very well but did rip the tight pointed ends a bit. The punch was softened a bit and a few more test pieces run before we ran through the real firewall.

http://i206.photobucket.com/albums/b...W/IMG_1896.jpg

http://i206.photobucket.com/albums/b...W/IMG_1900.jpg

ELpolacko 12-01-2010 01:47 PM

The pattern turned out fantastic.

We then welded a strip around the firewall to attach it into the cowl with fasteners to be determined later. Also the ends of the toe board kickout were capped and a blister added to clear the steering gear.

http://i206.photobucket.com/albums/b...W/IMG_1903.jpg

http://i206.photobucket.com/albums/b...W/IMG_1907.jpg

Then installation into the cowl. We just have some sheetmetal screws holding it in. We are contemplating riveting or screws, just not there yet.

http://i206.photobucket.com/albums/b...W/IMG_1920.jpg

http://i206.photobucket.com/albums/b...W/IMG_1921.jpg


Oh, then we went nuts on the bracing for the steering gear and brake/clutch pedals...

http://i206.photobucket.com/albums/b...Chysler015.jpg

tobyflh 12-01-2010 02:13 PM

That looks great!! Rivets or some kind of nice screws would look good. Also what kind of steering box is that?

german8rcoupe 12-01-2010 02:14 PM

Very nice work.

ELpolacko 12-01-2010 02:16 PM

Steering gear is late 70's Mopar, probably from an Aspen.

keith 12-01-2010 03:08 PM

Wow, That is beautiful.

HEATNBEAT 12-01-2010 04:05 PM

Very nice!

Kerry Pinkerton 12-02-2010 12:52 PM

REALLY nice work Steve. I'm lusting after your plasma table....

Please put your name in the signature block of the User CP. Everyone will forget your name after a while.

rexrogers 12-02-2010 02:17 PM

The fire wall looks great. thanks for posting it a great use of the equipment that is available to you.

ELpolacko 12-02-2010 02:23 PM

Sig added


Thanks much guys!


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