Great result, that’s exactly the dusty grey I’ll be going for. For a very similar experience of this kit’s chassis:
https://forums.kitmaker.net/t/communication-breakdown-the-greater-treasure/57940
…and I’m not done with it yet. Did you also get a pack of useless resin wheels? Regarding fixing it to the base could you feed wire loops round the rear axles thru corresponding holes in the base?