It is lacking in content. Sorry if I shared it too soon. I'll be taking pictures of my own vehicle and making a good clean build for myself this weekend.
Also, posts without URLs get penalized, so make the new post link to your site, then post your text as a first comment to the thread. The text you wrote above is perfect, btw—it describes your project in an interesting way and with your personal voice. You should reuse it or write something similar for next time.