Engine Modifications, EFI Conversions, Dyno Tuning and Rental, Suspensions and More!
Automotive & Performance Tuning
Goblin Garage is a full-service, high performance, automotive shop in Des Moines, Iowa. Our certified, professional mechanics specialize in dyno tuning, EFI conversions, drivability for classic muscle cars and modifications of all GM LS and LT engines. We provide customized car care from classic cars to modern GM vehicles. At Goblin Garage, our experienced automotive professionals have a motorsports mentality and make sure your vehicle is ready for the road or the track.
Goblin Garage: Where Performance Meets Precision
Located in Mitchellville, Iowa, Goblin Garage is your ultimate destination for high-performance automotive service. Our shop is driven by a performance mentality and a deep respect for car culture—from timeless muscle to cutting-edge GM engineering.
Our certified, professional mechanics bring top-tier expertise to every build. We specialize in:
- 🔧 Dyno Tuning for precision performance and optimal horsepower
- ⚡ EFI Conversions that modernize and enhance classic drivability
- 🛠️ LS & LT Engine Modifications for all GM platforms
- 🚗 Custom Care tailored to everything from vintage cruisers to modern machines
Whether you're preparing for a weekend at the track or just want your ride running like a dream, we treat every vehicle as if it's our own. At Goblin Garage, it's not just about the experience, it's about passion, performance, and precision.
Our Mission & Certifications
Our intention is to support our customers with their modifying and tuning needs for their GM vehicle and classic muscle cars. We operate with integrity, honesty and can guarantee professional service and experience. Whether you need a dyno tune or need to upgrade the suspension, Goblin Garage has the tools to help you get the most out of your vehicle.
Holley:
- Holley Training
- Holley Certificate Program
- Holley EFI Program for all there stand-a-lone EFI computers
EFI University:
- Accelerated Certificate Program
The Tuning School:
- HP Tuners Generation 3 and 4 LS Engines
- HP Tuners Generations 5 LT Engines
- Certification for tuning stock GM ECU's
- Certification for tuning stock Dodge ECU's
- Bolt-Ons, Cam Swaps, Power Adders
The Elite Tuned School:
- HP Tuners Generation 3 and 4 LS Engines
- HP Tuners Generations 5 LT Engines
- Certification for tuning stock GM ECU's
- Bolt-Ons, Cam Swaps, Power Adders
Our Services
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Address: 203 Mill St SE, Mitchellville, IA 50169
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