The Porsche 928 is renowned for its front-mounted V8 engine, which was ahead of its time when introduced. However, for some enthusiasts, modern performance, reliability, and efficiency make an engine swap a tempting upgrade. Whether you’re after raw power for track performance or a smoother, more efficient daily driver, swapping the 928’s engine can unlock a new level of performance.
1. Why Consider an Engine Swap?
While the 928’s original V8 is powerful, aging components, maintenance challenges, and limited aftermarket support can make performance upgrades costly. Instead of rebuilding the stock engine, many owners opt for a modern engine swap, benefiting from:
- Increased horsepower and torque
- Better fuel efficiency
- Improved reliability and reduced maintenance
- Access to modern tuning and technology
For those wanting to future-proof their 928, an engine swap provides better long-term performance compared to maintaining a decades-old powertrain.
2. Best Engine Swap Options for the Porsche 928
LS V8 Conversion
One of the most popular 928 engine swaps is the GM LS-series V8. This modern pushrod engine offers big power potential, reliability, and affordability. Benefits include:
✅ More horsepower & torque (easily exceeding 400+ HP)
✅ Lighter weight for improved handling
✅ More aftermarket support for tuning & parts
✅ Lower maintenance costs
Modern Porsche V8 Swap
For Porsche purists, upgrading to a newer Porsche V8 (such as a Cayenne or Panamera engine) retains the brand’s engineering pedigree. Advantages include:
✅ Maintains Porsche DNA
✅ More sophisticated technology
✅ Better integration with existing components
While more expensive and complex, a modern Porsche engine swap keeps the 928 feeling like a true Porsche.
3. Things to Consider Before an Engine Swap
Swapping an engine requires more than just dropping in a new powerplant. Key factors include:
🔧 Wiring & electronics integration – Modern engines require updated ECUs, sensors, and tuning.
🔧 Transmission compatibility – Stock 928 transmissions may need upgrades to handle extra power.
🔧 Cooling system upgrades – More power means better radiators and cooling solutions.
🔧 Fabrication & mounting – Custom motor mounts and exhaust systems may be needed.
Final Thoughts: Is an Engine Swap Worth It?
A Porsche 928 engine swap isn’t for everyone, but for those seeking maximum performance, efficiency, and reliability, it can breathe new life into this classic grand tourer. Whether you choose an LS V8 for affordability and power or a modern Porsche V8 for authenticity, the right swap can make the 928 faster, more reliable, and more enjoyable to drive than ever before. 🚗💨
An engine swap is one of the most significant modifications a Porsche 928 owner can undertake, offering modern power, reliability, and efficiency while preserving the car’s grand touring essence. Whether you choose a lightweight, high-output LS V8 or a modern Porsche powerplant, the right swap can transform the driving experience, making the 928 faster, more reliable, and easier to maintain.
That said, a successful engine swap requires expertise, from ECU integration to transmission and cooling system upgrades. The 928’s original V8 was a marvel of engineering, and while rebuilding it may be the best path for purists, an engine swap offers next-level performance for those seeking big horsepower gains and modern drivability. With expert planning and execution, a properly swapped 928 can become the ultimate high-performance grand tourer—combining classic Porsche styling with modern muscle.
Thank you for taking the time with me to learn more about what Don Fenton, the Porsche 928 whisperer, can do for you.
Sincerely,
Don Fenton
(AKA) 928 Done Right
For more information on Porsche 928 engine swaps, restorations, or performance upgrades in the greater Austin area (or beyond), please contact your premiere 928 mechanic, Don Fenton, AKA Mr. 928 Done Right – Porsche 928 repairs and restoration of Austin, because Don ensures any repairs get Done Right the first time!
📞 Call us now for a free estimate! (737) 900-8179
🌐 Visit us at www.928DoneRight.com
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