PROJECT GALLERY — MAHLE / MAHLE MOTORSPORTS

1992 964 3.8L Individual Throttle Bodies (ITB) Upgrade Conversion

Posted by PATRICK MOTORSPORTS on

1992 964 3.8L Individual Throttle Bodies (ITB) Upgrade Conversion

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

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1979 930 Turbo to 1974 911 RSR IROC 3.8L DME Euro 915 Upgrade Conversion

Posted by PATRICK MOTORSPORTS on

1979 930 Turbo to 1974 911 RSR IROC 3.8L DME Euro 915 Upgrade Conversion

This original 1979 930 Turbo 3.3L 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...

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

Posted by PATRICK MOTORSPORTS on

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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Porsche 914 To 916 3.8L MOTEC EFI Slide-Valve ITB 915 Race Car Upgrade Conversion

Posted by PATRICK MOTORSPORTS on

Porsche 914 To 916 3.8L MOTEC EFI Slide-Valve ITB 915 Race Car Upgrade Conversion

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.       Parts List Shown With Store Links: Peterson Dry Sump Oil Tank Assembly - 4 Gallon (OIL 08 0011 DB) Remote Oil Breather Ventilation Catch Tank - 3 in. DIA (OIL 08 0410) AP Racing / Allstar Performance Dual Feed Remote Brake Reservoir (BRA CP2293 85) Setrab 180F Engine Oil Thermostat Set AN-12 Universal (OIL 901 107 T180...

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Riviera Blue 911 RSR Race Car With 964 3.8L G50 5 Speed Race Car Upgrade Conversions

Posted by PATRICK MOTORSPORTS on

Riviera Blue 911 RSR Race Car With 964 3.8L G50 5 Speed Race Car Upgrade Conversions

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 G50 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 3.8L RSR Twin Turbo G50 6 Speed Restoration Conversion

Posted by PATRICK MOTORSPORTS on

1991 Porsche 964 3.8L RSR Twin Turbo G50 6 Speed Restoration Conversion

  This 964 RSR was built to win with a 3.8L twin-turbo engine, 993 G50 6 Speed, Wavetrac differential and more!  Oil Scavenge Pump and Crankshaft Cam Work                   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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Grand Prix White 1974 911 IROC 3.8L Slide Valve MOTEC RUF R50-50 6-Speed Upgrade Conversions

Posted by PATRICK MOTORSPORTS on

Grand Prix White 1974 911 IROC 3.8L Slide Valve MOTEC RUF R50-50 6-Speed Upgrade Conversions

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 Racer With 3.8L DME G50 6 Speed Conversions In Martini Livery

Posted by PATRICK MOTORSPORTS on

1973 911 RSR Racer With 3.8L DME G50 6 Speed Conversions In Martini Livery

This 911  underwent a complete rebuild to RSR specification. We incorporated a 6-speed G50 Short Bell Housing transmission (G50 SBH). We machined and performed a blueprint rebuild here at Patrick Motorsports. Engine and Transmission 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 Carburetors with a high output ignition system. We also built...

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