Hi Michael. I shut down the business because it just got to taking too much of my time with the Montana house project and everything else. We built two full frames early 2022 and I stopped taking orders for C4 conversion parts. I continued making Eldorado seat mounts until I ran out, then I sold the assembly jig, CAD files, and all the documentation to a former customer that bought a set. I had 3-4 guys wanting to buy the frame business but I never got serious about selling everything. One of them was the last frame customer. I wanted to sell all the jigs, CAD files, patterns, drawings, frames, suspensions, leftover parts, setup parts, and everything else except for the equipment, which I'm keeping. I would even sell the equipment if I had to and just replace it. I need to contact those guys to see if anyone is still interested. I think there's still a good market for them.
Anyway, good that you put your location in your profile.
Looking at that 57 firewall, it looks like the section you need is the same as a 55-56. That should make it easier to find that part. In fact, the stock firewall looks somewhat different in that area than the repop imo.....here's one...
Notice how the clutch hole is recessed in the repop, and not in the stock firewall?
Here's a 55-56 firewall (original one in my Nomad).
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They look the same to me but I wouldn't swear that they are. It's worth checking it out since it triples your potential to find one locally.