Discover the Art of Engine Restoration
At SOIR Motors, we honor Porsche heritage through meticulous restoration of vintage flat-six engines, blending passion with precision to deliver unmatched craftsmanship and reliability.


Discover Our Latest Engine Builds
Showcasing our meticulous restoration of vintage Porsche flat-six engines, highlighting craftsmanship and precision in every build.

Restoration Highlight One
1965 Porsche 911 Engine
A fully rebuilt air-cooled flat-six engine, restored to factory specs with attention to original detail.

Restoration Highlight Two
1972 Porsche 911S Flat-Six
Engine meticulously rebuilt using authentic parts to preserve the classic Porsche performance and sound.

Restoration Highlight Three
1980 Porsche SC Engine
Complete engine restoration focusing on durability and original craftsmanship for long-lasting performance.
Our Process
Discover how we meticulously restore each vintage Porsche flat-six engine, ensuring quality and authenticity at every stage.
Step One: Assessment
We begin with a thorough evaluation of your engine’s condition, identifying wear and planning restoration strategies.
Step Two: Restoration
Our expert craftsmen rebuild your engine using precision techniques and genuine parts, honoring Porsche heritage.
Step Three: Quality Assurance
Each engine undergoes detailed testing and documentation to guarantee performance and reliability.
Owner Testimonials
Discover heartfelt feedback from Porsche enthusiasts who trust our vintage engine restorations and craftsmanship.
The restoration exceeded my expectations—precision work that truly honors Porsche’s heritage.
Michael S.
Vintage Car Collector

Working with SOIR Motors was a delight; their passion and attention to detail shine through every step.

Laura T.
Classic Porsche Enthusiast
Expert craftsmanship paired with clear communication made this a seamless and rewarding experience.

David R.
Automotive Historian
From start to finish, the service was impeccable—my engine runs like new with full confidence.

Anna K.
Restoration Specialist
Trusted Warranty Backing Every Rebuild
Experience confidence in every mile with our 12-month / 12,000-mile limited warranty—covering workmanship and labor on all SOIR Motors engine rebuilds. Each project is fully documented and supported with prompt, transparent service should concerns arise. Our warranty reflects the precision, integrity, and accountability we bring to every air-cooled Porsche engine we build.
