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Simple answer would be to just pick up a reamer to open up the diameter to whatever dimension you want while retaining the 7* taper.

I suspect Brad is chasing some pseudo Nascar application that can be adapted using common oval track parts. Since he has the machining capability in his garage, it isn't too much of a stretch for him to perform on his car. I'm anxious to see what he comes up with.



Sort of what Firm Feel had mocked up years ago, but never sold to my knowledge. He used a speedway spindle and steering arm. I think a F-body LCA or was there a C-body that had a screw in or press in lower ball joint?


I have pictures of that somewhere, Dick sent them to me after discussing some combinations for circle track.
Later B-Body lowers has press in ball joints and widens the track width 1.5 per side. We run this set up on a buddys circle track car with C-Body spindles.



I just got a pair of road course spindles I'm playing around with. I'm going to modify the steering arm to use a screw in ball joint.
Dimensionally they are very close to C-Body spindles, just beefier. I'll make my own hubs with the 4 1/2" bolt pattern in aluminum to shed some weight. Toying with building my own K-Frame, maybe a rack, and Schroder or speedway engineering sway bars, lots of them around cheap too.
Hey, it's winter soon .... and I get bored and need a project?