
The GMC Jimmy and S15 Jimmy were trusted compact SUVs known for their rugged dependability, while the rare GMC Typhoon brought turbocharged performance and sports-car handling to the SUV world.
Common Problems
- Vacuum leaks and sensor failures
 
- Turbocharger wear on Typhoon models
 
- Intake manifold gasket leaks
 
- Timing chain stretch in high-mileage engines
 
- Cooling system corrosion
 
Why Remanufactured?
A remanufactured GMC Jimmy or Typhoon engine from Gearhead Engines ensures optimal reliability and power. Every reman unit undergoes precision machining, balancing, and dyno validation—ideal for collectors or daily drivers seeking OEM-level performance.
Just for Fun – GMC Engine Trivia
Trivia: What made the GMC Typhoon unique in the early 1990s? (Answer: It was one of the first SUVs with a turbocharged V6 and all-wheel drive, rivaling sports cars of its era.)
Fun Fact: The GMC Typhoon could accelerate from 0–60 mph in under 6 seconds—making it faster than a Ferrari 348 in period tests.
FAQ
Q: Are remanufactured engines suitable for turbocharged models?
A: Yes—Gearhead Engines rebuilds turbo-compatible units with upgraded seals and materials.
Q: Can I use a reman engine in a classic restoration project?
A: Absolutely—our engines meet OEM standards and fit seamlessly into older GMC frames.
Visit GearheadEngines.com to find a remanufactured GMC engine that keeps your vehicle running strong for years to come.
Also explore our new Gearhead Advantage section.
					


