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:

engine
  • Balanced rotating system within 0.5 gram (connecting rods, pistons, piston pins)
  • Ported and polished cylinders
  • Customized paint options
Thunderbollt-235 engine

Thunderbolt-235

Thunderbolt 320

Thunderbolt-320

Thunderbolt 360

Thunderbolt-360

Thunderbolt 390

Thunderbolt-390

Thunderbolt 540

Thunderbolt-540

Thunderbolt 580

Thunderbolt-580

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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
Ignition System

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 ™

EMAG logo

 

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

Personal Details

Thank You

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

ENGINE DETAILS
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Engine Model
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Crankcase Color
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Cylinder Color
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Fuel Injection System
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Ignition System
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Automatic Thunderbolt Upgrades Include: Roller Tappet System (Most Models), Crankshaft Dynamic Balancing, Precision Static Balancing (Pistons and Rods to ½ Gram), Port and Polish/ Volumetric Cylinder Matching, Chrome Rocker Box Covers.