Stop Refurbishing Old F100 Frames - Do This Instead (4x4 Chassis)
Jason breaks down why buying a new 4x4 chassis for your 1973-1979 Ford F100, F150, or F250 build actually costs less than refurbishing the old factory frame. We walk through a complete custom 4x4 chassis built for a customer, covering the Whipple supercharged Coyote setup, suspension, axles, and why this approach saves you 6 months and avoids the hidden costs of frame repair.
This customer went all-in: Gen 3 Coyote with a 3L Whipple supercharger pushing 750 horsepower, Atlas transfer case, and Curry fabricated 9-inch housings front and rear. The chassis is completely turnkey - powder coated, fuel system plumbed, brake lines run, full stainless dual exhaust with Magnaflow mufflers. You're literally ready to drop the body on and start wiring.
Here's the reality we see all the time: customers spend months and thousands of dollars refurbishing a factory frame, only to end up with something that still looks old, might have rust issues, and doesn't have the proper geometry dialed in. Then they tell us "I should have just started with a new chassis." The upfront cost seems higher, but when you factor in the labor time your builder saves (about 6 months faster), the controlled fixed cost versus unknown repair bills, and the fact that your truck's resale value skyrockets with a custom chassis - the math makes sense.
Every 4x4 Ford build we do at Fat Fender Garage starts with a foundation like this. It's 316 steel, fully engineered for proper caster and geometry so you get zero bump steer and it drives like a modern truck. Fox coilovers, front and rear sway bars, GT500 fuel pump, 30-gallon fuel cell - it's built to handle 750+ horsepower and actually be enjoyable to drive.
If you're planning a 4x4 classic Ford truck build and trying to decide between refurbishing your old frame or starting fresh, this video walks through exactly what you get and why it matters.
0:00 - The Foundation: Why Start With New Chassis?
1:38 - About These Wheels (Addressing the Haters)
2:29 - 73-79 4x4 Chassis Overview
3:12 - Whipple Coyote & Atlas Transfer Case (750 HP)
3:30 - Drivetrain Options & Modern Technology
4:56 - Fuel System & Stainless Exhaust
5:20 - Turnkey & Powder Coated - Ready for Body
6:04 - Why Every FFG 4x4 Build Starts With This
6:53 - Time Savings = Money Savings
7:38 - Controlled Fixed Cost vs Unknown Repairs
8:20 - Engineering: Geometry, Caster & Steering
9:02 - The Foundation - Don't Make This Mistake
9:54 - Contact FFG & Get Your Build Started
CHASSIS SPECS:
- 1973-1979 Ford F100/F150/F250 4x4 Custom Chassis
- Gen 3 Coyote 5.0 with 3L Whipple Supercharger (750 HP)
- 3.875 Whipple Pulley
- Atlas Transfer Case
- Curry Fabricated 9" Front & Rear Axles
- Fox Off-Road Coilovers
- Front & Rear Sway Bars
- Redhead Steering Box
- Hydroboost-Ready Setup
- 30-Gallon Fuel Cell with GT500 Fuel Pump
- Full Stainless Steel Dual Exhaust
- Magnaflow Mufflers with Resonators
- Complete Powder Coat Finish
- Turnkey Roller - Ready for Body
Learn more about FFG custom chassis options and pricing: fatfender.com/pages/ffgchassis
Ready to start your build? Contact our sales team for a quote.
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