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Observations From the Field
Call ’em tech tips, building tips, details or whatever you like, but this is the stuff we see at events and shows while shooting features or doing shop tours, not to mention things we’ve discovered while working in our own shops. It’s like when you’re foot-cruising an event with the boys and pointing things out to each other, or when you have a stroke of genius while working on your own project.

POWER PICKUP!
To say Tom Long has an interest in cars is to say the Pope has an interest in religion. Long has always been a “car guy,” just like the rest of us. Having owned several specialty vehicles over the years, he still has a ’32 Ford sedan street rod that has seen many miles from coast to coast. But Long had a real urge to own something with the extra shot of adrenaline that comes from potent power under the hood. As his son Matt’s interest in cars grew, Long decided a project that involved both father and son would be just the ticket.

2004 NOPI Nationals Atlanta: Storming the Nats Car Show
The NOPI Nationals needs no introduction. Like Michael Jackson or The Rolling Stones, it doesn’t require an opening to get the crowd warmed up. Basically, they could cut out all of the fat and get right down to what the people came to see: all the hot cars scattered throughout the Atlanta Motor Speedway.
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Product Spotlight: Dieselsite’s 4WD ESOF Stainless Lines Kit for 1999–2010 Ford Superduties
Rugged, Stainless Steel Lines Built to Be the Last Set You’ll Ever Need
Author
The Auto Builder Staff
Photos Courtesy of Dieselsite
Picture this: you’re cruising down a muddy backroad, ready to switch into 4WD, and nothing happens. You check your ESOF switch, slam it again… still nothing. The culprit? Not your transfer case, not your drive shafts—it’s the OEM vacuum hoses and steel fittings at your hubs, silently failing after years of exposure to heat, moisture, and road grime. Dry-rot, leaks, and rusted fittings strike when you least expect it, leaving you stuck and frustrated.
Enter the DIESELSITE 4WD ESOF Stainless Lines Kit—engineered to prevent this nightmare. Designed for 1999–2010 Ford Superduty models, this kit replaces those old, failing rubber hoses and rusty steel fittings with Teflon-lined, stainless steel braided lines that outperform OEM parts in every way. Whether you’re battling mud, snow, or the daily grind, these lines keep your 4WD system reliable and responsive every time you flip that switch.
Why We Like DIESELSITE
Finding high-end diesel performance parts starts with a visit to DieselSite. Whether you’re shopping for Ford PowerStroke transmission components or heavy-duty 4WD stainless lines, DieselSite brings quality, innovation, and real-world testing to every product.
They don’t just sell parts—they use them, test them, and refine them. With diesel in their veins, the DieselSite team solves real-world truck problems with rugged solutions you can trust. Family-owned and operated, their mission is simple: build parts that last and keep you on the road with confidence. People across the country rely on DieselSite because they know they’re getting performance and longevity far beyond OEM standards.
Why Upgrade to This Kit?
- Teflon-lined, stainless steel braided lines resist corrosion and cracking
- Significantly stronger and more durable than OEM hoses and fittings
- Designed for 1999–2010 Ford Superduty F250 & F350 models
- Easy, direct-fit installation with included Teflon tape
- DieselSite engineered, tested, and backed by real-world use
| Year | Engine | Model |
|---|---|---|
| 1999–2004 | 5.4L | F250, F350 |
| 1999–2004 | V10 | F250, F350 |
| 1999–2003 | 7.3L | F250, F350 |
| 2003–2004 | 6.0L | F250, F350 |
| 2005–2007 | 5.4L | F250, F350 |
| 2005–2007 | V10 | F250, F350 |
| 2005–2007 | 6.0L | F250, F350 |
| 2008–2010 | 5.4L | F250, F350 |
| 2008–2010 | V10 | F250, F350 |
| 2008–2010 | 6.4L | F250, F350 |
Keep Your 4WD System Reliable with DIESELSITE’s 4WD ESOF Stainless Lines Kit
When it comes to keeping your Ford Superduty’s 4WD system reliable, cutting corners on critical components just isn’t worth it. DIESELSITE’s 4WD ESOF Stainless Lines Kit is the ultimate upgrade—built stronger, lasting longer, and designed to outperform OEM hoses in every environment. Don’t wait until a failed vacuum line leaves you stranded. CLICK HERE to get yours today and experience the confidence of a bulletproof 4WD system backed by DieselSite’s proven quality.












