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A picture of a disassembled car engine.

Engine Building and Machine Shop Services

Serving St. John’s and the surrounding area for over 40 years, Constantine’s Engine and Performance continues to provide reputable and reliable engine building services and more! We are a family-owned and operated business that focuses on complete customer satisfaction. Call and speak with our team of experts today.

Engine Remanufacturing

Trust Constantine’s Engine and Performance for complete automotive, industrial, marine and antique engine remanufacturing. Our work carries a standard 6-month / 10,000km warranty. All industrial, marine and heavy-duty work carries a 6-month warranty.

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Automotive Engine Rebuilding

  • Most makes and models of modern engines

  • Antique car and truck

  • Muscle car, high-performance and race engines


Marine Engines:

  • Gasoline inboard/outboard

  • Including Mercury Marine, Volvo and OMC


Diesel Engines:


  • Small to medium size

  • Industrial, farming and marine

Machine Shop Services

Cylinder Head Rebuilding:


  • Automotive, marine, diesel, performance

  • Pressure testing

  • Planing

  • Valve guide and seat repair

  • Valve train upgrade

  • Porting and polishing

  • Broken bolt removal 


Engine Blocks:


  • Automotive, marine and diesel

  • Cylinder reboring

  • Hot tanking

  • Cam bearing installation

  • Planing

  • Stroker kit installation

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Connecting Rods:


  • Reconditioning

  • Removal and installation of pistons




  • Automotive, marine and diesel

  • Regrinding and polishing

Small Engines:


  • Cylinder reboring

  • Sleeve installation

  • Cylinder head rebuilds


Flywheel Regrinding:


  • Automotive & Industrial 


Exhaust Manifold Planing

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