Engine Builder

Thunderbolt Engines are Lycoming's brand of high performance, built-to-order power plants for Experimental aircraft. With Thunderbolt engines, customers get a genuine Lycoming engine that is factory built, factory tested and supported - with several popular options of fuel systems, ignition systems, performance enhancements and finishing options. These features come with every Lycoming Thunderbolt engine:

  • Balanced rotating system within 0.5 gram (connecting rods, pistons, piston pins)
  • Ported and polished cylinders
  • Customized paint options

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Please note that this engine is a simulated model representing the engine series you selected. The actual color and configuration of your engine may vary from this model.


Engine Options

Traditional Ignition System Options: Slick (1L-Imp r R-STD), Retard Magneto Substitute for Impulse Magneto, 2nd Impulse Magneto Instead of Plain, Delete One Side of Ignition System, Delete Entire Ignition System


Electro Magneto Options: E-MAG ™


Included Automatic Thunderbolt Upgrades: Balanced rotating system within 0.5 gram (connecting rods, pistons, piston pins), ported and polished cylinder, and customized paint options


Thank You!

Thank you for your interest in the Lycoming Thunderbolt engine! A summary of your selected options is listed below.

Engine Details