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Jack Olsen's Avatar
 
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Building a better Black Beauty #8: The Reconstruction Begins

Well, as of this week, more things are going onto the BB2 chassis than are coming off. The cage is built. The cover for the rear seat panel is in place (it's not exactly what we asked for, but it doesn't make any sense to send it back, right now).

Cage view from the front. Note that I had them delete the front cross bar that goes where the kneepads go.



And the rear. Don't confuse the rust-colored adhesive with rust, and note the bolt-in points for the side bars.



The cage will get unbolted and powdercoated later this week.

Pelicanite Tyson Schmidt has completed his modifications to the rear torsion tube mounting point. Since we're switching to coil-overs, the mounting point is dead weight, and chopping out the center section of the tube allows us to move the engine and transaxle forward a little more than an inch.

This may not sound like much, until you think about what moving a 5-600 pound weight forward that much will do for the overall weight distribution of the car.



The notch you see is for where the tranny cooler line goes in. The new center is extensively reinforced, including diagonal braces that go across the rear footwells.

BB1's gast tank, front crossmember and steering rack have all been moved into place. As soon as the front struts arrive, they'll mate up with Tyson's modified front control arms. He's also simplifying the AC ducting to make it more efficient.


Some of BB1's parts have also made it onto Tyson's 72, which is fast becoming a topless version of BB1. It's still in primer, but since it's raining today, you get to see it with what I call a layer of "Seattle Wax:"

Old 02-12-2003, 04:08 PM
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Thanks for the update, Jack.

Tyson's car is looking good! Is a 3.6 swap on the horizon there too?
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Old 02-12-2003, 04:16 PM
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WOW! Both cars. How boring it must be for Tyson when he works on a stock 911...
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Old 02-12-2003, 04:21 PM
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"Seattle Wax"

That's funny, I was thinking the same thing before I read it, wondering for a minute if Tyson had car painted when nobody was looking. I guess it would look pretty good black.
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Old 02-12-2003, 04:25 PM
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Tyson's car is a great example of how you don't need a lot of muscle to go fast. It's got a 2.4 (mostly T-spec) motor in it, but the suspension is so well set up, and his chassis mods are so effective that it's faster around Willow Springs than his C2 Cab.

Those are BB1's 8x10x17 wheels, rear fender, and a couple of other things.
Old 02-12-2003, 04:25 PM
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Looks great Jack! Any ETA on completion yet? My car has been down for 12 days and I'm feeling it. I can imagine the agony you must be going through watching BBII being created.
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Old 02-12-2003, 04:44 PM
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I've seen cages where the front bars are welded to the inside of the A-pillars. I'm surprised you guys didn't do anything in that area, but I guess I think about that type of thing since I have a targa.
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Old 02-12-2003, 04:52 PM
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Jack:

I sent you a PM.

Thanks.
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Old 02-12-2003, 04:53 PM
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I just have one question:

Is this going to be your daily driver?

If the answer is yes, you are the most badass person alive. i'm not kidding.
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Old 02-12-2003, 04:56 PM
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nice cage! is it completely fabricated or is it based on a pre manufactured cage? i am looking for cage options for my car and really like the idea of being able to bolt it out if i ever needed to get back at the interior. if it is fabricated any idea of cost of doing just the cage?
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Old 02-12-2003, 05:32 PM
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My question...why not have a cross brace in the knee pad area?
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Old 02-12-2003, 05:34 PM
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The cage is kind of a prototype for TRE Motorsports, who are going to be selling them off-the-shelf, I believe. Shoot them an email at info@tremotorsports.com and they can give you a cost for the components you want.

Paul, the kneebar is, to me, the point where a cage gets really intrusive, and also can break your legs. If this were a full-time race car, I'd put one in. But it's one of the points where I'm going to prioritize street over track.

And Amir, thanks. It's not my only street car, but when it's not at the shop, it's the one I use to get around town more than the others. It's not valet-friendly or multiple-passenger-friendly, though, and it's in the shop for upgrades for long enough stretches that I have an alternate street car.

So I'm only half cool.
Old 02-12-2003, 06:59 PM
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O.K. the skinny on Jack's cage:

No cross-brace under the dash for aesthetic reasons as well as street safety reasons. The roll cage is completely removable.

The cage was custom fabbed but was a copy from another of our customer's cars, and will eventually be a repeatable design. The basis for it is the rear roll bar which is a TRE exact factory replica of the original '73 RS and RSR roll bar.

Masraum, the bar isn't welded to the A-pillars so it it can be removed for the street.
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Old 02-12-2003, 07:11 PM
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Why do you think you need a bar across the knees? Porsche factory 964/993 Cup cars do not have them, and I can assure you Weissach knows what they're doing. The only major improvement I would recommend is to weld the cage to the A and B pillars.
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Old 02-12-2003, 08:52 PM
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Okay. No argument there. If it's good enough for the factory, it's okay by me.

I suppose I could eventually weld in tabs to the A and B pillars and corresponding tabs on the cage. Then I'd be able to bolt it into the frame, and still remove it.
Old 02-12-2003, 09:50 PM
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Here are shots of the new diagonal reinforcements:



Old 02-12-2003, 10:17 PM
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Quote:
Originally posted by JackOlsen

Paul, the kneebar is, to me, the point where a cage gets really intrusive, and also can break your legs. If this were a full-time race car, I'd put one in. But it's one of the points where I'm going to prioritize street over track.
Jack, we're onto you. We know the primary reason for no kneebar - you've found another way of shaving off more weight - maybe 36 oz. !
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Old 02-13-2003, 05:00 AM
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Jack - did you get my email?
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Old 02-13-2003, 10:57 AM
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The latest steps include:

Finishing on the cover for the back seat access area. Note the fire suppression line running to the engine compartment, the diagonal reinforcements, and the hand-held fire extinguisher mount.



The front trunk has the AC in place, with some improved ducting, as well as more fire-suppression lines and power brake stuff.



And the vent holes have been cut for the later-model dash, as well. The cage pieces are out getting powdercoated.



It's reaching a point where the glass looks more 'half full' than 'half empty.'

Tyson Schmidt is doing an awseome job on it, with the kind of attention to detail that I think would play well with the original creators in Stuttgart.
Old 02-14-2003, 07:18 PM
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Cool

Dam, that's going to be one fine car!

I can't wait to see it!
Old 02-14-2003, 07:33 PM
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