Meet Bullnose Bill – Bullnose Garage Mechanic

Need help with your 1980–1986 Ford truck or Bronco? Whether you’re wrestling an NP435, planning a 460 swap, or staring at a factory wiring harness that looks like it survived a house fire, you’ve got a wrench-savvy friend in your corner.
Meet Bullnose Bill.
Bill is our custom-built AI mechanic trained specifically for Bullnose-era Ford F-150s, F-250s, F-350s, Broncos, and even the odd Econoline. He speaks fluent shop talk, never judges your toolbox, and he’s got one mission: helping you fix, restore, and understand your classic Ford truck.
Powered by deep technical knowledge and community-tested experience, Bullnose Bill gives you clear, practical advice without the fluff. Want to know which transmission bolts up to a 351W? Fighting with a tank selector valve? Wondering if that part number you found at midnight is actually correct?
Bill’s got you.
Start a conversation below, and if the question’s solid, your chat might even end up featured on the Bullnose Garage blog.
Chatting with Bullnose Bill means you agree to our Bullnose Bill Terms of Use.
This is the Standard version, he’s free to use and always ready to help.
If your question involves weird symptoms, long threads, multiple photos, or a pile of parts on the floor that “used to be something,” there’s also Bullnose Bill Pro, a deeper-dive version available for patrons. But for everyday Bullnose questions, Standard Bill will get you sorted out for free.
Please provide Bullnose Bill with your year, model, engine, and transmission if applicable.
Any other specific information about your truck can also help him be more accurate. The accuracy of the information that Bullnose Bill provides is not guaranteed and can be incorrect. Please verify accuracy before performing any repairs.
💬 Questions should relate to 1980–1986 Ford trucks, Broncos, or vans. Bill doesn’t do Chevys — don’t even ask.
For more detailed help on a variety of Bullnose topics, be sure to check out the Bullnose Garage YouTube Channel or take a stroll over to the Bullnose Ford SubReddit!
How Bullnose Bill Uses AI to Help With Your 1980–1986 Ford Truck or Bronco
Bullnose Bill is a purpose-built AI mechanic designed to answer questions about 1980–1986 Ford trucks, Broncos, and vans. He’s not some generic chatbot — Bill is specifically trained and instructed to focus on the Bullnose-era platform: the quirks, the engines, the transmissions, the wiring nightmares, and everything in between.
When you ask Bullnose Bill a question, your message is sent to an advanced large language model — the same kind of AI powering tools like ChatGPT. But what makes Bill different is how he’s been customized and constrained. His responses are guided by a detailed prompt that locks his focus onto Bullnose Fords and their common engines, including the 300 inline-six, 302, 351 Windsor, 460, and others. He knows about NP435s, C6 automatics, fuel tank selector switches, dual battery setups, and the maze of vacuum lines that haunted early ‘80s emissions systems.
Bill doesn’t pull answers from the web in real-time. Instead, he generates responses based on patterns and information learned from a vast amount of automotive text — including manuals, articles, community discussions, and general mechanical knowledge. He’s also been told not to bluff. If he doesn’t know something, he should say so. That said, AI models can occasionally make confident guesses that sound convincing but aren’t accurate. That’s why Bullnose Bill is always improving — with your help.
When a conversation stands out — detailed, accurate, helpful — it may be reviewed and published on the site as a full article. These published answers get added to the knowledge base you see to the right, giving everyone access to solid, peer-reviewed information for future reference.
Bill is always learning in a loose sense, but he doesn’t “remember” past conversations unless they’ve been published or included in the current chat window. He doesn’t collect personal info, and he doesn’t care if you’re a newbie or a seasoned pro. His only job is to help you understand, repair, and improve your Bullnose Ford — and maybe save you some frustration along the way.
Bill’s Recent Answers
⚠️ Important Disclaimer
Bullnose Bill is powered by AI. While he’s trained and instructed to be as accurate as possible, his answers can occasionally be wrong or incomplete. Always double-check critical information using factory documentation or trusted mechanical sources, and use your best judgment before attempting a repair. The advice you receive here is meant to supplement — not replace — good shop practices, mechanical common sense, or safety precautions.