1984-1989 911 Carrera Turbosystem Spreadsheet
| Description | Stage 1 | Stage 1 Upgrade | Stage 2 | Stage 3 | Stage 4 |
|---|---|---|---|---|---|
| Protomotive Intercooler | n.a. | Included | Included | Included | Included |
| Protomotive SS Headers | Included | Included | Included | Included | Included |
| Protomotive SS Muffler | Included | Included | Included | Included | Included |
| Protomotive SS Heater System | Included | Included | Included | Included | Included |
| Protomotive Fuel Pressure Reg. | Included | Included | Included | Included | Included |
| Protomotive Software | Included | Included | Included | Included | Included |
| Turbocharger | Single | Single | Single | Single | Twin |
| A/C Modifications | n.a. | Included | Included | Included | Included |
| Boost Control | Mechanical | Electronic | Electronic | Electronic | Electronic |
| Boost Gauge | n.a. | Replaces Clock | Replaces Clock | Replaces Clock | Replaces Clock |
| Clutch Upgrade | n.a. | Disk Only | Disk Only | Disk / Pressure Plate | Disk / Pressure Plate |
| High Flow Fuel Injectors | n.a. | n.a. | n.a. | Included | Included |
| Fuel Pump | n.a. | n.a. | High Flow | Twin-Pumps | Twin-Pumps |
| Cylinder Head Seal | n.a. | n.a. | n.a. | C2 Turbo Head Gasket | Flame Ringed |
| Horsepower Capability | 360 hp | 400 hp | 485 hp | 545 hp | 650+ hp |
| Max Boost Pressure | .5 bar | .7 bar | .85 bar | 1.25 bar | 1.25 bar |
| Engine Displacement (cc) | 3164 | 3164 | 3164 | 3298 | 3506 |
| Compression Ratio | 9.50 / 1 | 9.50 / 1 | 8.80 / 1 | 7.00 / 1 | 7.00 / 1 |
| Spark Plugs | One per Cylinder | One per Cylinder | One per Cylinder | One per Cylinder | Two per Cylinder |
| Ignition System | Inductive | Inductive | Inductive | Inductive | Capacitive Discharge |
| Engine Rebuild | n.a. | n.a. | Top – End | Top – End | Complete |
| Performance (0-60 mph, 0-100 kph) | 4.3 seconds | 4.2 seconds | 4.0 seconds | 3.6 seconds | 3.3 seconds |
| Quarter Mile / Trap Speed | 12.9 / 117 mph | 12.5 / 120 mph | 11.8 / 124 mph | 11.0 / 130 mph | 10.0 / 140 mph |
| Top Speed (Carrera Body & Gears) | 183 mph / 7200 rpm | 183 mph / 7200 rpm | 183 mph / 7200 rpm | 183 mph / 7200 rpm | 183 mph / 7200 rpm |
| Top Speed (Turbo Body & Gears) | 185 mph / 6100 rpm | 195 mph / 6500 rpm | 205 mph / 6830 rpm | 217 mph / 7200 rpm | 217 mph / 7200 rpm |
| Transmission Required | 915 / 930 / G – 50 | 915 / 930 / G – 50 | 915 / 930 / G – 50 | 930 / G – 50 | 930 / G – 50 |
| Alternate Camshaft Profiles | Optional | Optional | Optional | Optional | Optional |
| High-Rate Valve Springs | Optional | Optional | Optional | Optional | Optional |
| Ported Manifolds | Optional | Optional | Optional | Optional | Optional |
| Protomotive Mass Flow Sensor | Optional | Optional | Optional | Optional | Optional |
| Lightweight Clutch Package | Optional | Optional | Optional | Optional | Optional |
| Approximate Installation Time | 3 – 4 weeks | 4 – 5 weeks | 6 – 8 weeks | 8 – 10 weeks | 12 – 16 weeks |
| Kit Available | Yes | Yes | To Distributors Only | To Distributors Only | To Distributors Only |
1984-1989 911 Carrera Turbosystem Spreadsheet
Note: Kit items are recommendations only and may change as further
development has been completed.
