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Firewall Project
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pro70z28
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Joined: 17 May 2007
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PostPosted: Tue Jun 29, 2010 2:34 am    Post subject: Reply with quote

Thanks Jeep.
Yea, I stamped it on a H.F. 20 ton press.
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pro70z28
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PostPosted: Mon Jul 05, 2010 2:22 pm    Post subject: Reply with quote

I've had a couple people wanting to know how I did the stamping. Pretty simple really. Here's the readers digest version of a stamp. I made an impression in the firewall for the throttle cable. Pretty simple stamp but the procedure is similar to the Camaro stamp.

I drilled a hole in the firewall panel for the throttle cable. I cut dies out of 1/8" sign substrate scraps, any rigid material will work. On the front side I taped the larger die to the panel using the 5/16'' hole to register it.



on the back side / the circle die. Line up the holes & tape in place.



For this stamp I used some scrap aluminum plugs on both sides of the panel.



After being pressed you can (maybe) see the panel has been pressed up into the top die. The camaro took a fair amount of pressure. this stamp, not so much. I was careful to not use too much pressure as to not distort the panel.



Stamp finished.



I'll make an aluminum trim washer on the lathe later. That's all there is to it.
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10sec.et
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Location: Houston,Texas
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1969 Oldsmobile Cutlass

PostPosted: Tue Jul 06, 2010 2:27 am    Post subject: Reply with quote

thanks for the how-to on the stamping Cool Cool Cool Cool Cool
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It seems we can look at our magical Balls and come up with a fix?

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pro70z28
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PostPosted: Tue May 31, 2011 3:02 pm    Post subject: Reply with quote

Sorry, haven't been around for awhile. The "Z" project has pretty much sat since last summer, but I got some time the last few days to get the firewall welded & in primer.





Got the front end set in place. Next project is to fit it to the car, fabricate hinges, tree & latch system.



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10sec.et
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Joined: 29 Mar 2006
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Location: Houston,Texas
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1969 Oldsmobile Cutlass

PostPosted: Wed Jun 01, 2011 1:11 am    Post subject: Reply with quote

have you made it to the point where you can actually start moving forward with progress or are you still finding little things to fabricate "while youre there" Laughing ? its not bad enough that i find more stuff to do but other people look at my car and say "you know what you should do here......".

nice work. keep the pics coming Cool .

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af2 wrote:
It seems we can look at our magical Balls and come up with a fix?

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pro70z28
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PostPosted: Wed Jun 01, 2011 11:24 pm    Post subject: Reply with quote

10sec.et wrote:
have you made it to the point where you can actually start moving forward with progress or are you still finding little things to fabricate "while youre there" Laughing ? its not bad enough that i find more stuff to do but other people look at my car and say "you know what you should do here......".

nice work. keep the pics coming Cool .


I have a one man sign shop that keeps me away from the "Z" most of the time. Add a family & a 3 year old grandson & the "Z" gets the back burner. Not giving up though, there's bound to be some free time in my future, someplace. Very Happy
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clay
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1972 Chevrolet Nova

PostPosted: Thu Jun 02, 2011 9:07 pm    Post subject: Reply with quote

I have accepted my car will never be "finished". Entirely too many details to iron out. I'm like 10sec.et - there are so many things I'm not happy with I sure don't need any body else pointing out stuff. Very cool stuff, one day when I get time I'm going to use some of what I've learned in this post. Thanks for sharing. Clay
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SMOKEmUP
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1979 Chevrolet Camaro

PostPosted: Fri Jun 03, 2011 12:30 pm    Post subject: Reply with quote

I hear you about time management. So many things to do, so little time. For what it's worth you are way ahead of me on my Z project.

Keep the updates coming when you have time, very cool stuff with great information.

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Big Dave
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PostPosted: Fri Jun 03, 2011 11:38 pm    Post subject: Reply with quote

Unless you are going to make your own punch and die (something I am confident you could probably do having seen what you have accomplished already) that is as good as it is going to get from a metal fabrication stand point. By drawing the piece in a die the metal conforms to the shape of the die (which has to have a slight taper to get the piece off the punch even with compressed air to blow it off). So you would have a smooth piece that is tapered that you then punch a round hole in the bottom of your pot to finish off the piece (which probably means another punch and die). Then there is the issue of the 250 tons per square inch punch press to put your dies in (which makes a bit of a racket when it hits by the way).

Looks great as is! And it could be welded up and then ground back down smooth if that is an absolute must with a horizontal mill using stones instead of tools.

Big Dave
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pro70z28
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PostPosted: Sat Jun 11, 2011 9:56 pm    Post subject: Reply with quote

Keep pluggin' away Clay, I've been at it for 9 years now. lol.
I appreciate the comments, just wish I had a little more time to devote.



I started on the hinges but then decided I better get the front end straight first or the hinges would be wrong. (The front end is a mess) The nose didn't even come close to fitting, so I trimmed the opening & made cuts where I had to, to get it to match up



I used some scrap aluminum from an old sign to get the nose in the right place.



Glassed the blank spaces between the gussets. After it sets up I'll unscrew the gussets & finish the fiberglass, a job I'm just itching to get done. lol

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pro70z28
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PostPosted: Tue Jun 14, 2011 10:06 pm    Post subject: Reply with quote

No glass on the outside yet but the grill surround fits. (ya' I know, wrong Z-28 emblem on the grill, it's what it came with) Got a nice shinny NOS one in the box that IS the right year.



Back to working on the hinge & tree stuff for now. I'll leave the glass work for cooler weather. Laughing
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pro70z28
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PostPosted: Sun Jun 19, 2011 11:33 pm    Post subject: Reply with quote

The kids are on vacation so we are celebrating Father's Day Friday. I spent the last few days working on hinge designs. Each one had a little problem here or there but they all helped me come up with the final design. To get the front end to work like I hope it will, the front end has to come forward first 3.75'', then raise 2". Then flip up. I want it to be removable also. I came up with a bunch of ideas, some of the more promising ones I cut prototypes out of 1/4" PVC cut offs. First obstacle was getting the geometry right. After that was just making sure there was enough material in the right places & keeping it small enough to fit where it had to fit.



The last design came pretty close to fitting alongside the 3''x2'' main rails but still but I still wondered if I'd be kicking myself down the road when it came time to mount the radiator, pro charger & all the other stuff that needs to go in the front. Then I got the bright idea of building the linkage inside the frame rail. After a few more prototypes I think I have it, (works on the bench anyway) lol

So, today I cut out the CNC parts.


Got a few parts to make on the lathe yet & some massaging to do on the frame rails to make everything fit. I guess if it doesn't work I'll just have to go back to the drawing board. Only 1 way to find out..................... Stay tuned.


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pro70z28
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PostPosted: Wed Jun 22, 2011 8:47 pm    Post subject: Reply with quote

Did a mock up on the outside of the rails, now to see if they will fit inside the rails.

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Skunkworkx
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1968 Chevrolet Camaro

PostPosted: Wed Jun 22, 2011 10:37 pm    Post subject: Reply with quote

Cool toys, big thinking cap, and no one to interupt Smile

Cheers

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pro70z28
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PostPosted: Sun Jun 26, 2011 1:17 am    Post subject: Reply with quote

Had to work most of the day today, but I found enough time to assemble the hinges & buff them a little.

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