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

Thunderbolt-235

Thunderbolt-320

Thunderbolt-360

Thunderbolt-390

Thunderbolt-540

Thunderbolt-580

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Black
Gray
Red

Black
Gray
Red

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

Aircraft Manufacturer

Aircraft Model

Engine Model

Crankcase Color

Cylinder Color

Fuel Injection System

Ignition System

Traditional Ignition System

Electronic Magneto

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

Personal Details

First Name

Last Name

Email Address

Phone Number

When do you plan to purchase an engine for your aircraft?

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Thank You

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

ENGINE DETAILS