Testimonials
Thunderbolt Engines are special powerplants for special aircraft and special pilots. Thunderbolt Engines are for homebuilders, race pilots, aerobatic competitors and others who desire a non-certified engine but want a genuine Lycoming factory engineered, custom factory built, factory tested, and factory supported engine.
This is what the pros have to say about Thunderbolt Engines:
 Working with Thunderbolt Engines has been great. They’re totally responsive to my needs and desires – it’s like having my own engine shop.
Michael Goulian
Red Bull Air Race Competitor
U.S. National Aerobatic Champion
 Other engine manufacturers told me what they had to offer. Lycoming’s engineering department asked me what I want from an engine. They listened. And responded with exactly what I wanted. They even painted the engine to match my plane. Purple Power!
Matt Chapman
1994 IAC Champion
1998 Hilliard Trophy Winner
20 Years Air Show Performer
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