Firewall Project

Fabrication, Welding, Shop Tools, Tips & Techniques

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pro70z28
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Re: Firewall Project

#46 Post by pro70z28 » Fri Jun 11, 2010 10:32 pm

Made another piece for the inlet side of the intercooler tonight.

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pro70z28
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Re: Firewall Project

#47 Post by pro70z28 » Sat Jun 12, 2010 7:51 pm

Got the inlet side roughed in today.

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And got a panel installed.

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I roughed up the back of the panel & the chassis tubes with 80 grit on the angle grinder, then glued it in with fusion body panel adhesive.

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John_Heard
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Re: Firewall Project

#48 Post by John_Heard » Sun Jun 13, 2010 10:31 am

Cool... Hey I want to borrow your shrinker! I need to make me some dzus rails... Which model you have?

pro70z28
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Re: Firewall Project

#49 Post by pro70z28 » Sun Jun 13, 2010 3:46 pm

John_Heard wrote:Cool... Hey I want to borrow your shrinker! I need to make me some dzus rails... Which model you have?

I'm not sure. I bought it from a booth at a car show a few years ago. I think it's about the same deal as H.F. sells. It works good for what I use it for, although it marks up the metal some. From what I've been told the higher quality shrinker/stretchers don't do that?
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pro70z28
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Re: Firewall Project

#50 Post by pro70z28 » Sun Jun 13, 2010 7:38 pm

Added a couple more pieces to the puzzle this afternoon.

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Re: Firewall Project

#51 Post by pro70z28 » Sun Jun 20, 2010 9:42 pm

Everybody (but me) had to work this weekend, we celebrated Father's day Thursday, so I had the weekend to work on the firewall. Got a fair amount done.

Since this WILL be a street legal car, I found a new spot to display the trim code tag.

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I stuffed it between the strut tube & the inlet side of the intercooler.
Also made paper patterns for a couple more pieces of the puzzle.
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pro70z28
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Re: Firewall Project

#52 Post by pro70z28 » Sun Jun 20, 2010 9:43 pm

I decided to stamp a "Camaro: logo in the driver's side panel

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The press and bead rolling oil canned the panel a little but I think it will straighten out when I put the 7/8" tabs on the top & bottom with the brake.

It came out fairly clean, even the little piece in the top of the "o" stamped. That part was about 1/2 the size of a pencil eraser. When I paint the firewall I'll paint the logo over this, the stamping will give it a little extra "pop".
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vegaracer
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Re: Firewall Project

#53 Post by vegaracer » Sun Jun 20, 2010 10:05 pm

I'm sure I've said it before, but you have some great skills. :thumb:
That panel with "Camaro" in it is flawless.
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Re: Firewall Project

#54 Post by John_Heard » Sun Jun 20, 2010 10:17 pm

That is pretty cool, nice job..

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wikd69
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Re: Firewall Project

#55 Post by wikd69 » Mon Jun 21, 2010 1:47 pm

pro70z28 wrote:I decided to stamp a "Camaro: logo in the driver's side panel

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The press and bead rolling oil canned the panel a little but I think it will straighten out when I put the 7/8" tabs on the top & bottom with the brake.

It came out fairly clean, even the little piece in the top of the "o" stamped. That part was about 1/2 the size of a pencil eraser. When I paint the firewall I'll paint the logo over this, the stamping will give it a little extra "pop".
So help me understand how you're doing that:

You're using what looks like 3/16" aluminum on your CNC mill to create the Camaro pattern, then using it in some fashion in your press. Do you apply force to a heavy flat plate on top of the aluminum pattern, forming the pattern on sheet metal underneath which sits on a wooden panel ? Thats the only way I know of you could get the results you're getting, which btw, are fantastic.

What sort of press are you using, and how much force ? It would have to be pretty extreme I would suspect. Do you have pix of the pattern / piece / work setup arrangement ?

I would love to try this myself, though I certainly don't have your talent.
1969 ProStreet Camaro RS Best 9.75@139 1.46 60'
Blown 427 BBC, TH400 w/Brake, Back-Half Ladderbar
Narrowed 12-Bolt, 4.10 Gears, Spool, Moser 33 Spline

http://www.marsh-racing.com/harrys_camaro-1.htm

pro70z28
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Re: Firewall Project

#56 Post by pro70z28 » Mon Jun 21, 2010 2:10 pm

Thanks everybody for the positive comments. I didn't take any pics. of this stamping but I did awhile back when I stamped out the sheet metal for the intercooler flanges.
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The dies are CNC cut out of aluma-panel, a signboard that has a solid PVC core and is laminated on both sides with aluminum. (I used 3/4" MDF for the intercooler parts) Altogether the aluma-panel is just under 1/8" thick. I just use a H.F. 20 ton press & sandwich everything between some plate steel I got from the scrap yard. The aluma-panel dies are from scraps around the sign shop.
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wikd69
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Re: Firewall Project

#57 Post by wikd69 » Mon Jun 21, 2010 2:20 pm

pro70z28 wrote:Thanks everybody for the positive comments. I didn't take any pics. of this stamping but I did awhile back when I stamped out the sheet metal for the intercooler flanges.
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The dies are CNC cut out of aluma-panel, a signboard that has a solid PVC core and is laminated on both sides with aluminum. (I used 3/4" MDF for the intercooler parts) Altogether the aluma-panel is just under 1/8" thick. I just use a H.F. 20 ton press & sandwich everything between some plate steel I got from the scrap yard. The aluma-panel dies are from scraps around the sign shop.
I would guess the aluma-panel is soft enough that it naturally provides the nice smooth edge radius / transition for the pressed shapes outline, height wise. Very clever and very clean.
1969 ProStreet Camaro RS Best 9.75@139 1.46 60'
Blown 427 BBC, TH400 w/Brake, Back-Half Ladderbar
Narrowed 12-Bolt, 4.10 Gears, Spool, Moser 33 Spline

http://www.marsh-racing.com/harrys_camaro-1.htm

pro70z28
Posts: 146
Joined: Sat Aug 04, 2007 12:24 pm

Re: Firewall Project

#58 Post by pro70z28 » Mon Jun 21, 2010 5:40 pm

The aluma panel looks the same when I take it out as before I used it . I would have thought the edges would have rounded off a little but not so. I leave an 1/8" space between dies so the aluminum naturally bevels at about a 45° angle.
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wikd69
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Re: Firewall Project

#59 Post by wikd69 » Mon Jun 21, 2010 7:24 pm

pro70z28 wrote:The aluma panel looks the same when I take it out as before I used it . I would have thought the edges would have rounded off a little but not so. I leave an 1/8" space between dies so the aluminum naturally bevels at about a 45° angle.
Your top press plate looks to be right at 1" thick - is it thick enough to evenly spread the pressure or do you need to do multiple presses to get what you want ?
1969 ProStreet Camaro RS Best 9.75@139 1.46 60'
Blown 427 BBC, TH400 w/Brake, Back-Half Ladderbar
Narrowed 12-Bolt, 4.10 Gears, Spool, Moser 33 Spline

http://www.marsh-racing.com/harrys_camaro-1.htm

pro70z28
Posts: 146
Joined: Sat Aug 04, 2007 12:24 pm

Re: Firewall Project

#60 Post by pro70z28 » Mon Jun 21, 2010 7:26 pm

Works in one stamp as long as I keep it under the plate about 8"x8".
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