Early Bronco 23 Gallon Fuel Tank

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Why the M1A1 23-Gallon Fuel Tank Is the Best Gas Tank for Your Early Bronco

If you own a classic 1966–77 Ford Bronco, you know the factory fuel tank leaves a lot to be desired. With just 13 gallons in the stock main tank, range anxiety is real - especially when you're deep in the backcountry or on a long cruise. Add in the risk of rust, leaks, and old-school design flaws, and you've got a clear reason to upgrade.

Enter the WILD HORSES M1A1 23-Gallon Stainless Steel Fuel Tank for 1966-77 Ford Bronco - a purpose-built, no-compromise upgrade that solves every one of those issues and more. Let’s break down why it’s hands-down the best fuel tank you can bolt into your Early Bronco.

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Double the Fuel, Double the Fun

Range matters. Whether you're chasing trail miles or highway lines, the stock tank's 13-gallon capacity just doesn’t cut it anymore. The M1A1 ups that to a full 23 gallons, giving you the kind of range you need for all-day rides, long-distance hauls, or that weekend getaway where gas stations are few and far between.

Bonus: if your Bronco still has the original auxiliary tank, this setup gives you a potential 31 gallons on board. That’s freedom right there.

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Built Like a Tank—Because It Is One

This isn’t just a larger fuel tank - it’s a better fuel tank. Crafted from 14-gauge stainless steel and fully TIG-welded, the M1A1 is built to outlast your Bronco’s second and third engines. No rust. No leaks. No waving, warping, or pinholes like you see on some thinner tanks. Just a smooth, clean finish and rock-solid durability.

And if you wheel hard, opt for the skid plate version - a 3/16-inch steel plate wraps the bottom like armor. It’s made to shrug off rocks, roots, and trail hits without compromising ground clearance or departure angle.

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EFI-Ready, Trail-Tested

Fuel injection swaps are more common than ever, and the M1A1 is ahead of the curve. The EFI version comes with a high-flow in-tank pump that can support up to 630 horsepower, plus proper supply, return, and vent ports. You won’t need to mess with external pumps or retrofitting EFI later - it’s ready when you are.

Running a carb setup for now? No problem. We’ve got you covered with a carb-specific configuration. Either way, you’re future-proofing your rig.

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No Starvation, No Surprises

Inside the tank, you’ll find more smart features - like internal baffling, foam, and a fuel tray around the pickup. These aren’t just fancy add-ons. They keep your pump fed on climbs, off-camber sections, or when the tank's running low. It’s performance you’ll appreciate when you’re miles from pavement.

You also get a modern reed-style sending unit for accurate gauge readings, a side drain plug for easy maintenance, and fittings that make hose routing a breeze.

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Install It and Forget It

Don’t worry about cutting, welding, or custom brackets. The M1A1 bolts directly into the factory frame location with included hardware. Got a body lift? It’s adjustable to accommodate up to 3 inches without issue. From filler neck to mounting points, it’s designed to fit right - and stay tight.

And yes, the craftsmanship is dialed. Holes line up. Threads are clean. Everything just works.

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Final Thoughts: One Tank to Rule Them All

If you're serious about building a capable, dependable Early Bronco, this is the tank to run. It fixes the range issue. It eliminates corrosion problems. It’s trail-ready, EFI-ready, and install-friendly. And it just looks good under the rig.

We’re not into gimmicks - just solid gear that works. The M1A1 23-Gallon Stainless Steel Fuel Tank is the real deal.

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