PROJECT GALLERY — MAHLE / MAHLE MOTORSPORTS

1992 Porsche 964 - 3.6L to 3.8L Conversion - ITB

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1992 Porsche 964 - 3.6L to 3.8L Conversion - ITB

 This build features Mahle Motorsports 102mm pistons and cylinder and AT Power individual throttle bodies.                            

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1979 930 to 1974 911 RSR IROC Street Racer - 3.8L DME Upgrade And Euro 915 Conversion

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1979 930 to 1974 911 RSR IROC Street Racer - 3.8L DME Upgrade And Euro 915 Conversion

This original 1979 930 chassis has been expertly converted to a lightweight 1974 911 RSR IROC inspired street racer! This chassis is fitted with a 1997, 993 Carrera 3.6L DME engine then converted to a high torque 3.8L displacement! Featuring hydraulic billet sport cams and married to a specially prepared, 1986 915 Euro transaxle gearbox with LSD and euro oil cooler system. This one of kind project is 100% built in-house.                  As you can see the Patrick Motorsports 911 / 930 Roll Bar fits like a champ! Also shown, our custom interior...

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911 3.2L to 3.5L Signature Engine Upgrade Featuring AT Power Individual Throttle Bodies (ITB)

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911 3.2L to 3.5L Signature Engine Upgrade Featuring AT Power Individual Throttle Bodies (ITB)

This 3.5L started life as a 3.2L Carrera engine.  Using a 964 crankshaft and our exclusive Mahle Motorsports pistons, cylinders and Pauter rods, the displacement was raised to 3.5L.  The engine breathes through AT Power individual throttle bodies which give excellent throttle response and are extremely free flowing.    

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Race Car Build: Porsche 916 - 3.8L Engine Conversion Featuring MOTEC EFI Managed Slide-Valve ITB With A 915 5-Speed Transmission

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Race Car Build: Porsche 916 - 3.8L Engine Conversion Featuring MOTEC EFI Managed Slide-Valve ITB With A 915 5-Speed Transmission

914-4 conversion to 916 style body, with a 964 based 3.8L MoTec managed Slide Valve EFI engine & 915 WEVO mid-engine transaxle. The car also incorporates the new M185 MoTec digital dash. Final form, pictured with front and rear spoilers attached.                                                                    

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911 RSR Race Car- 964 3.8L NA - G50 5 Speed

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911 RSR Race Car- 964 3.8L NA - G50 5 Speed

We fit this 911 race car with a 3.8L 964 based RSR engine, and coupled it to a 1989 G50 transaxle. The gearbox has all the tricks, tall 2.8 ratio first gear mainshaft set with close ratio gears straight thru 5th gear. We set the G-50 up with a Quaife torque biasing differential and our billet side cover. This is just the start of our project build sheet, see the detail in the photos and read the description of parts & service related to getting it done. These services shown here are performed daily at PATRICK MOTORSPORTS, and the products we...

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1991 Porsche 964 RSR Twin Turbo - G50

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1991 Porsche 964 RSR Twin Turbo - G50

  This 964 RSR was built to win with a 3.8L twin-turbo engine, 993 G50 6 Speed, Wavetrac differential and more!                     993 Twin Turbo engine & 6-speed conversionBuilt up to 3.8L with Mahle Pistons & CylindersPauter rods, GT2 Pump, GT2 sport camsHandmade custom 321 SS headers and exhaustTwo K24 turbosTall 1st gear + Short gear stackWavetrac differentialMoTeC C125 Race DisplayTuned MoTeC M600 ECUAll parts used in this build are stocked, distributed,and installed at Patrick Motorsports!

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1974 911 IROC 3.8L Slide Valve MOTEC Upgrade And R50-50 6-Speed Conversion

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1974 911 IROC 3.8L Slide Valve MOTEC Upgrade And R50-50 6-Speed Conversion

Modern 1974 IROC clone, this was started on a Grand Prix White L-908 1974 911, and fitted with a 964 based 3.8L engine. The engine is managed by MoTec and features our new billet EFI "Slide Valve" manifolds! We have fitted the car with a RUF 6 speed gearbox that is based on a G-50/50 transmission. The result was a super lightweight 380 hp street/track monster.               INDE Motorsports Ranch 2014 - Shake down and tuning.   911 RSR Slide Valve Individual Throttle Bodies (ITB) - Twin-Plug Ignition                ...

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1973 911 RSR - 3.8L DME - 6-SPEED

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1973 911 RSR - 3.8L DME - 6-SPEED

This vehicle underwent a complete rebuild to RSR spec. We incorporated a G50 Short Bell Housing (SBH) 6-speed transmission. We machined and performed a blueprinted rebuild here at Patrick Motorsports. Fitment required extensive chassis modifications due to the longer transmission length. The engine displacement has been increased to 3.8L. Oil cooling has been updated with an RSR oil pump, our special Setrab front mount oil cooler and the original equipment 930 radiator style front fender cooler. The specs for the racing class allowed us to use PMO Carburetion with a high output ignition system. We also built a new wheel...

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