Help! New Carburetor????!

I'm working on my wifes 67 dart with 70 318 in it. Everything on this car was hacked or butchered. The sliding rod I have has been cut & welded in two places. They should have cut another inch out of it! Hacks. Anyway I would need one to fit a 70's set up. I think the one in the green car looks like what I would need to set up. Allthought after looking at the easy homemade bracket on the blue 318 I might go that route. If I come up blank at the mud pit junk yard today, I might head down to body shop to use the welder to take the other inch out of the slider. That would solve the kick down problem but I think I would still be having the problem of the cable not being clamped on metal collar. I think I need to raise bracket or use the one that mounts cable with vertical clamp and get a slider with adjustments to shorten slider.
slider too long & bracket too low and not foward enough!

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