Continental Offers Drop-In Prime IO-370 For Lyc-Powered Skyhawks

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At AirVenture this week Continental announced a new STC to install its Prime IO-370-D3A3 engine into Cessna R and S-series C172s—a retrofit that could actually cost less than overhauling the Lycoming IO-360 it replaces.

The Prime IO-370-D3A3 delivers 180 HP, includes roller tappets and comes with a recommended TBO of 2200 hours that extends to 2400 hours for high-utilization aircraft. The STC includes the engine, a Bendix impulse coupled ignition system (to provide improved starting and reduced magneto maintenance, Continental says), a starter, fuel system and associated STC paperwork to complete the installation on Cessna 172s currently using a Lycoming IO-360-L2A engine. The STC is priced at $27,226 and comes with a two-year warranty.

The Prime-series Continental in later-model Skyhawks could have sizable appeal to fleet and flight school operators. This spring Piper announced that its Pilot 100-series PA-28 trainer will be equipped with the Continental Prime engine, an aircraft that’s aimed directly at flight schools.

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2 COMMENTS

  1. This sounds very interesting, as my club is looking at replacing an engine in our 172SP this winter. What exactly classifies an airplane as a “high-utilization” aircraft? Also, do you know if this requires a core exchange? I’d be interested to know more about the ignition system, starter and fuel system that they include. Researching…