(+33) 3 85 22 17 63
design and manufacture of forged engine pistons LORRTEC engine manufacturer

LORRTEC design office

The expertise of our design office allows us to design and develop all mechanical components related to engine for performance and/or reliability purposes. We are working on prototypes or small series for our specific internal needs or for external orders (Manufacturer, Private Team…). We are constantly designing and developing new parts such as pistons, connecting rods, camshafts, valves, crankshafts… or even foundry parts (cylinder head, manifold, block…) for all types of modern thermal engines. or historical.

design and manufacture of forged engine pistons LORRTEC engine manufacturer

Assembly of LORRTEC engines

A competition engine must be fitted according to the rules ! In our clinically clean workshop, each part is checked before assembly in order to obtain a perfect result. A production engine benefits from the same care as a Formula 1 engine !

Series and collection engines: we rebuild series engines from Bmw M3, Jaguar Type E, Mercedes 190 SL, Porsche 356 & 911, Ferrari Dino … and any other old engine.

Historical competition engines: we overhaul and improve the reliability of the engines of a large number of competition vehicles: V10 F1 Peugeot, V8 F1 Cosworth HB, Lancia 037, Fiat 131 Abarth, Peugeot 205 T16, Jaguar Type E, Ferrari V12, Ferrari Dino, Lancia Stratos, Lancia Delta, Audi Quattro, Ford RS200, Sierra Cosworth & RS500, Porsche 911 all models, Bmw M3 GrA, BMW M12/7, V6 PRV, Ford Cosworth BDA/BDG/BDT etc…

Modern competition engines: we are also working on Peugeot 206/307 WRC engines, Porsche 996/997 GT3 Cup, Bmw S42/S52/S54/S62…, SUBARU Impeza Gr A/N, Mitsubishi Lancer EVO 6/7/8/9/10, Renault Clio R3, Clio/Mégane Maxi, 306 Maxi, Skoda Fabia R2, C2/206 S1600, Honda K20, PSA 2L Rallycross engines, SSV Polaris RZR and SSV Yamaha YXZ 1000 Turbo…


Grinding valve seats

LORRTEC engine machining and rectification workshop

We realize all types of machining and balancing at the request of private or professional customers. If you want to rebuild your engine in the best conditions, call on our services: crankshaft balancing, cylinder reboring (Alsusil, Diasil, Nikasil, FRM, etc.), cylinder head and block grinding, valve seat replacement and grinding, CNC cylinder head duct machining , crankshaft grinding, shaft line machining, block lining, motorcycle connecting rod…


design of electrical harnesses and sale of MOTEC electronic boxes

Electronics and harnesses, MOTEC and DTA boxes

We install MOTEC and DTA computers on all types of vehicles (Rally, Circuit, Raid, Motorcycle, etc.), and we produce tailor-made wiring harnesses for different applications:

  • Engine harness (Raychem DR25)
  • vehicle harness
  • Adaptation of Powerbox modules and modern multiplexed systems (CAN bus)

We also have the possibility of testing the various electronic components (sensors, injectors, coils, computers, etc.).


design and manufacture of forged engine pistons LORRTEC engine manufacturer

Metrology workshop and organ bench LORRTEC

We have modern equipment to control the various components of an engine:

  • Cylinder head blower to validate the permeability of the ducts as well as the swirl/tumble of the engine.
  • Bench of injectors to validate and balance the flow rates.
  • Camshaft bench to check and study timing diagrams with precision.
  • Digital spring tester to calibrate the return forces at the valves.
  • Test bench for mechanical injection pump type Bosch, Lucas, Kugelfischer… to develop these old systems.
  • Three-dimensional measuring machine to control any mechanical part.


design of electrical harnesses and sale of MOTEC electronic boxes

Vehicle and engine test benches LORRTEC

We are equipped with a 4WD ROTOTEST 1000hp vehicle test bench, comparable to a set of engine benches coupled to each driving wheel of the vehicle. This measuring instrument is extremely precise thanks to the high-resolution torque sensors measuring the force directly at the wheel hubs. Dynamic and stabilized measurements can thus be performed during engine tuning.

We also have a SCHENCK engine test bench from Formula 1 allowing us to fine-tune all types of engines with power up to 1000 hp and speeds up to 18000 rpm .


design and manufacture of forged engine pistons LORRTEC engine manufacturer

Assistance on circuit/rally

LORRTEC places at your disposal in France and abroad qualified engineers and technicians to assist you on circuit or in rally when the exploitation of the vehicle requires a high degree of technicality (Sport prototypes Groups C, historical Formula 1, Rally-raid … ).

Different types of services are possible: different settings between practice and the race, optimization of power and consumption according to the terrain, real-time modifications in order to facilitate the use of the car and the adaptation of the driver, data analysis to allow the pilot to improve performance


BMW S14 M3 engine for sale

Sale of overhauled series or racing engines

The LORRTEC company offers new or rebuilt engines, ready to use.

  • Bmw M3 E30 S14B23
  • Ford Cosworth BDA/BDG/BDT
  • Ford Escort R2000 Pinto 2l
  • Ford Sierra Escort Cosworth YB


Lorrtec Race Engines

Company history LORRTEC

  • 2011 Creation of the company LORRTEC with a 4wd Rototest vehicle bench. The beginnings of the company were essentially devoted to the preparation of engines for modern motorsport : rallying, circuit and hill-climbing. LORRTEC has also been present in Rally-raid (Dakar) since its beginnings in the SSV category with the engines of Polaris RZR buggies.
  • 2012 Launch of the engine preparation activity for historic vehicles (VHC) in rallies as well as for the mythical Group C sport-prototypes on the circuit with in particular the Porsche 962 , one of the company’s specialties.
  • 2013 Christophe Vaison wins the Yves LOUBET Historic Morocco Rally with a Peugeot 504 prototype equipped with a V6 PRV LORRTEC engine. These are also the beginnings of the preparation of engines for historic vehicles and VHCs on the circuit for events such as the Tour Auto or Le Mans Classic .
  • 2014 Development of the machine shop and engine rectification . Victory in the Group C Racing championship (Christophe d’Ansembourg, Porsche 962 MECAUTO with MOTEC LORRTEC electronic management). Gilles Panizzi competes in the historic Morocco rally with a 504 proto V6 PRV equipped with a LORRTEC engine .
  • 2014 – 2015 Christophe Vaison’s Lancia 037 fitted with a LORRTEC engine successively wins the historic 2014 and 2015 Tours de Corse .
  • 2016 Preparation of V8 engines for 2WD rally-raid buggies specifically for Dakar regulations. On the other hand, Sébastien Loeb drives a 205 T16 EVO 2 equipped with a 600 hp LORRTEC engine during the Vosges rally.
  • 2017 LORRTEC is equipped with an engine test bench cell to test off-vehicle engines.
  • 2018 : Launch of the Lorrtec Racing Parts online store . Victory for Serge Cazaux on Ford Sierra GrA at the historic Tour de Corse with a Cosworth YB LORRTEC. Four LORRTEC engines in the top 10 scratch of this mythical rally (Sierra Cosworth GrA, Escort Ford BDG Group 4, BMW M3 GrA…). Raymond Narac & Michel Lecourt ( Porsche 962 with MOTEC LORRTEC electronic management) win the 2018 Group C Racing Championship (Peter Auto). Francois Delecour and Harri Toivonen won various rallies in Europe at the wheel of Ford Sierra Cosworth with LORRTEC engine. Serge Cazaux also won the title of Spanish historic rally champion on Sierra GrA.
  • 2019 : Start of the “aeronautical” activity with Rotax and Lycoming engines.

Pierre-Antoine Rampon

Founder of LORRTEC

Pierre Antoine Rampon founder LORRTEC SAS


  • ECAM engineering degree
  • Engineering degree from the National School of Petroleum and Engines (ENSPM – IFP School)


Professional experiences :

  • 2006-2010 Engine engineer at BOSCH in the department dedicated to PSA vehicles.
  • 2010 to the present : Founding Director of the company LORRTEC SAS


The pilot :

Pierre-Antoine made his competitive debut in motocross and then in karting before moving on to motorsport.

He won several Scratch victories in the French rally cup, French rally championship VHC and Free Racing, sport proto category (Norma M20, BMW 318 Compact F2000, Escort MK2 Cosworth BDG, Skoda R5…).


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LORRTEC Race Engine
Tel: (+33) 3 85 22 17 63

356 small suburb
01190 Bridge of Vaux