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#1
07-19-2022, 02:28 PM
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Dave,
I enjoy watching this project get built and appreciate being able to follow along - it's looking great. As an engineer, something caught my eye... On a four link, all the force driving the car forward comes through the lower links (those are in compression) while the upper links are in tension. The lower four link brackets in their current configuration are cantilevered in two directions - horizontally inward, then hanging down. The suspension will be trying to "twist" that bracket off the frame rail anytime power is applied. Can you tie those into the crossmember in front of it, gusset them to the frame rail, or run a continuous crossmember across the frame rails there? That is one of the most stressed areas on a chassis - right now it is the most flexible portion of that frame section. I attached a picture of a Chevy II four link conversion with how the subframe connector gets tied into the LCA bracket - if you could do that to the large crossmember tube, it would help a lot. Just my 0.02... Luke
__________________
'68 H/O W45 '70 Cuda 
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| The Following 6 Users Say Thank You to 83hurstguy For This Useful Post: | ||
67 Nova Boy (11-16-2023), big gear head (07-20-2022), Billohio (07-23-2022), Dave Rifkin (07-21-2022), olredalert (07-20-2022), PeteLeathersac (07-19-2022) | ||
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#2
07-19-2022, 05:10 PM
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Greetings Luke,
That's incredibly good advice. Yes, I can do that with no problem. I wasn't aware of that section being so stressed so yes, I can add something that way. The notch was due to floor pan recess but I can easily apply a gussett and a frame extension to that crossmember. Thank you for the suggestion!  Cheers Dave
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| The Following User Says Thank You to A12pilot For This Useful Post: | ||
mockingbird812 (07-20-2022) | ||
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#3
07-20-2022, 12:35 AM
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Members helping members!
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Sam...  
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#4
07-20-2022, 03:16 AM
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Quote:
__________________
'68 H/O W45 '70 Cuda
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#5
07-22-2022, 08:34 PM
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Dave, a few things. First, what an incredible, insane job you're doing!!! I can't imagine taking something like this on even if I was retired and I had nothing to do!! You have unbelievable focus on your projects.
 Second I'd also like to help a fellow member as well. When you're done I can offer you free storage for it!!!   
__________________
Mark 1966 L72, 4spd Caprice 1974 Z28, M40 Camaro
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#6
07-23-2022, 12:41 AM
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Ha! Thanks Mark! The way things are falling into place, I may be bringing the thing completed next year to MCACN instead of just in paint but not completed.
Thank you for the compliments. It's definitely a test in patience. Case in point, the dash: First, need to lay out the A-pillar crossmember and then get the measurements from the windshield base frame to the dash structure. Oh, and I need to make the windshield frame to boot! With that, I need to make sure the wiper transmissions have clearance so I need three measurements on those. Oh, and since there aren't any, I need to find them!  Once things get measured up then I can weld the frame up but only before I make the mounts and verify the steering column sits correctly. It's truly a puzzle and it's so much fun to figure this out!!I'm already starting to figure out what car is next on the agenda after this is done. I know...one thing at a time!! Thanks for the thoughts fellas.... When I do get this done I want everyone that sees it to sit in it and enjoy it. You're all a part of this disaster whether you like it or not!!  Cheers, Dave
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| The Following User Says Thank You to A12pilot For This Useful Post: | ||
Xplantdad (07-23-2022) | ||
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