Father/Daughter Build, 1973 1.7L One Family Car |
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Father/Daughter Build, 1973 1.7L One Family Car |
Hollybrook |
Nov 28 2021, 04:01 PM
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#1
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Newbie Group: Members Posts: 15 Joined: 8-January 19 From: Northern Virginia Member No.: 22,788 Region Association: MidAtlantic Region |
I've been lurking here for a few years, but this is my first post so I guess an introduction is in order. My name is Wayne and though I actually don't have a Porsche, I do have a 1992 Mercedes Benz 500E that Porsche had a big hand in designing and building. I also have a Datsun 260Z and used to race a 240Z in SCCA road racing. My 260Z was heading to the garage for restoration until my wife convinced me that my daughter's 914 needed to be done first.
My youngest daughter, Annika, is sharing this account while we work on the project. She recently graduated from college with a degree in civil engineering and a minor in mechanical engineering technology. I think you will enjoy getting to know her! The car in question is a 1973 1.7L 914 that my brother and sister in law bought new and drove as their only car for many years. As their family grew, the car ended up in the driveway under a tarp until it was offered to Annika as a gift. We thought it needed a tune-up and some paint work. As we started looking at the car, it became obvious that it had serious hell hole rust and would need lots of loving care to get back on the road. At the time, Annika was a junior in high school without the financial resources for a project of this magnitude. so back under the tarp it went until she got a career type job and started building up a fund for the project. We are quite lucky to have my brother in law and original owner, John, helping us with this build. John is a car enthusiast and used to crew for me on my race team. Not to mention, he did all the work on this car over its life and his historical perspective will be invaluable. Here we are in January 2016 loading the car onto a trailer for the trip back home. A very excited car owner! After a quick wash in our drveway. |
Superhawk996 |
Dec 29 2021, 06:41 PM
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#2
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914 Guru Group: Members Posts: 5,836 Joined: 25-August 18 From: Woods of N. Idaho Member No.: 22,428 Region Association: Galt's Gulch |
I'm sure there are viable ways to do it on a rotisserie (especially the hoop cage rotisserie designs) but I think it will be very easy to underestimate the amount of structural bracing that will need to be done to the chassis to maintain integrity.
I used a triangulated door brace along when I was doing the major longitudinal work on a build cart. Stuff still moves around with these braces. Later on, I also used a diagonal brace inside the chassis running diagonal from driver side cowl to passenger side rear door / top of long to control "matchboxing" fore & aft when I welded in the new floorpan. You can see on the diagonal brace, it had to be doubled up with another tube to have enough stiffness to control movement. I'm sure this isn't the only way to do it. Given the sizing of my braces, I certainly wouldn't have wanted the weight of the chassis cantilevered on a bumper mounted rotisserie. You will be amazed at how much stuff still moves around with these braces. My build cart, jig followed that used by Jeff Hail - Bringing out the dead. http://www.914world.com/bbs2/index.php?showtopic=76791 The weight from the front of the car is transfered down into the build cart via the OEM front suspension crossmember. The rear via the transmission mounts stanchions. Since both of these mounting locations are approximately 1/2 the distance between bumper and the passenger compartment the weight is sort of balanced and doesn't put much bending load on the longitudinal or the lack there of when one of them is missing. The door braces then were used for tweaking and preloading the chassis when welding. Another great thread is Digging into Hell: http://www.914world.com/bbs2/index.php?showtopic=16748 And of course most recently from @Bbrock http://www.914world.com/bbs2/index.php?showtopic=307290 If you're not familiar with those threads, spend time on them. Each has unique ways of doing things but overall they serve as the DIY guide that has worked out sucessfully. |
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