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BMW 318i BY RO SERVICE พกพลัง 1 JZโบเดี่ยว TF08 | ||
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01 กรกฎาคม 2551
BMW 318i พกพลัง 1 JZโบเดี่ยว
JZA70 Specifications
| The Toyota Supra JZA70 was released in mid 1990 and was fitted with the first generation of the JZ engine series, the 1JZ-GTE. Rated at 206kw, this pushed the Supra (*TwinTurbo R) to a mid 14 second quarter mile time, 1 second quicker than the MA70 Turbo. There were several specs of JZA70, ranging from the packed out luxury model (x) to the sports model (TwinTurbo R). The TwinTurbo R came factory with Recaro seats, steering wheel and shifter knob and matching trim panels, it also came fitted with Bilstein shock absorbers with up rated springs and charcoal 5 spoke alloys. Other features of the JZA70 Supra was the replacement of the mechanical clutch LSD with a Torsen unit. The final ratio was also changed to 4.11 compared to the 3.73 of the MA70. *to be continued..... | |||
| 1JZ-GTE Engine Specifications | |||
| Induction | Electronic Injection, Twin CT-12A Turbochargers (parallel), Intercooled | ||
| Valves | 24 | ||
| Camshafts | 2 (DOHC) | ||
| Intake Duration | ? | ||
| Intake Camshaft lift | ? | ||
| Intake valve diameter | 32mm | ||
| Intake Valve timing - Opening | ? | ||
| Intake Valve timing - Closing | ? | ||
| Exhaust Duration | ? | ||
| Exhaust Camshaft lift | ? | ||
| Exhaust valve diameter | 30mm | ||
| Exhaust Valve timing - Opening | ? | ||
| Exhaust Valve timing - Closing | ? | ||
| Bore x Stroke (mm) | 86 x 71.5 | ||
| Capacity (cc) | 2491 | ||
| Compression Ratio | 8.5:1 | ||
| Maximum Power | 206kw @ 6200rpm | ||
| Maximum Torque | 365nm @ 4800rpm | ||
| Redline | 7500rpm | ||
| Lubricant & Fluid Capacities | |||
| Oil system | 4.8 Litres, 10W-30 | ||
| Cooling system | 8.3 Litres | ||
| Radiator cap pressure rating | 10.7 to 14.9 psi | ||
| Thermostat rating | 82 degrees Celsius | Part Number 90916-03093 | |
| Gasket | Part Number 16325-62010 | ||
| Spark plug - Copper Tip | NGK BKR6ES-8N | ||
| Spark plug - Platinum Tip | NGK BKR6EP-8 | Part Number 90919-01181 | |
| Nippon Denso PK16R8 | Part Number 90919-01180 | ||
| Hydraulic unit water pump | Part Number 16090-49017 | ||
| Hydraulic water pump pulley | Part Number 16939-46010 | ||
| Non-Hydraulic water pump | Part Number 16100-49846 | ||
| Non-Hydraulic water pump pulley | Part Number 16371-46020 | ||
| Timing Belt | Part Number 13568-46010 (08/90 - 05/92)* | ||
| Part Number 13568-49025 (05/92 - 12/92) | |||
| Part Number 13568-49065 (12/92 - 05/93) | |||
| Serpentine belt | Part Number 90916-02306 | ||
| *Replacement Part Number - 13568-49025 | |||
| Manual Transmission Specifications (R154) | |||
| Gear ratios | |||
| Reverse | 3.18 | ||
| First | 3.251 | ||
| Second | 1.955 | ||
| Third | 1.310 | ||
| Fourth | 1.000 | ||
| Fifth | 0.753 | ||
| Lubricant Capacity - Gearbox | 3 Litres | ||
| Oil specifications | 80W-90 GL4 or 5 Gear Oil | ||
| Final Drive Ratio | 4.100 | ||
| Differential Code | G299 | ||
| Drive Pinion - Number of teeth | 10 | ||
| Ring Gear - Number of teeth | 41 | ||
| Ring Gear size | 200mm | ||
| Driveshaft Diameter | 29.60mm | ||
| Lubricant Capacity - Differential | 1.3 Litres | ||
| Oil specifications | API GL5 Hypoid Non-LSD Gear oil | ||
| Top Speed km/h @ rpm | |||
| First Gear | 67 @ 7500 | ||
| Second | 111 @ 7500 | ||
| Third | 166 @ 7500 | ||
| Fourth | 218 @ 7500 | ||
| Fifth | 289 @ 7500 | ||
| Speedo Corrections | |||
| Speed km/h | True km | ||
| 60 | |||
| 80 | |||
| 100 | |||
| 120 | |||
| Top Speed km/h @ rpm | |||
| First Gear | 64 @ 7200 | ||
| Second | 106 @ 7200 | ||
| Third | 158 @ 7200 | ||
| Fourth | 208 @ 7200 | ||
| Fifth | 276 @ 7200 | ||
| Acceleration | |||
| Standing start to... | Time (Seconds) | ||
| 60km | |||
| 80km | |||
| 100km | |||
| 120km | |||
| 400 metres | 14.5 @ ?mph | ||
| Rolling start | 3rd Gear | 4th Gear | 5th Gear |
| 40-70km | |||
| 60-90km | |||
| 80-110km | |||
| 100-130km | |||
| Turbocharger Specifications | |||
| Manufacturer | Toyota (Hitachi) | ||
| Type | CT-12A (Part Number : 17201-46010 (Front), 17208-46010 (Rear)) | ||
| Turbine size (Outlet diameter) | 42mm | ||
| Turbine size (Inlet diameter) | 51.6mm | ||
| Turbine Blade count | 8 | ||
| Turbine Material | Ceramic | ||
| Turbine Housing Outlet (ID) | 44.1mm | ||
| Turbine Housing Inlet (ID) | 33mm | ||
| Turbine Shaft Diameter | 8.5mm | ||
| Turbine housing A/R | .45 | ||
| Compressor size (Inlet diameter) | 35mm | ||
| Compressor size (Outlet diameter) | 54mm | ||
| Compressor Blade count | 10 | ||
| Compressor material | Aluminium | ||
| Compressor Housing Inlet (ID) | 37.9mm | ||
| Compressor Housing Outlet (ID) | 30mm | ||
| Compressor housing A/R | .30 | ||
| Bearing ID | 8.53mm | ||
| Bearing OD | 13.55mm | ||
| Bearing Width | 9mm | ||
| Bearing material | Bronze | ||
| Bearing oiling holes (per bearing) | 6 | ||
| *Wastegate size (ID) | 20mm | ||
| Actuator spring rate | 10 psi | ||
| Chassis Specifications (R Spec) | |||
| Driven wheels | Rear, Torsen LSD | ||
| Suspension, front | Wishbones, Bilstein dampers, coil springs, anti roll bar | ||
| Suspension, rear | Wishbones, Bilstein dampers, coil springs, anti roll bar | ||
| Steering | Power assisted rack and pinion | ||
| Turns | lock to lock 2.8 | ||
| Turning circle | 10.8mtrs | ||
| Brakes Front | 300 x 22mm (21mm min thickness), Vented discs, Single Piston calliper | ||
| Brakes Rear | 291 z 18mm (17mm min thickness), Vented discs, Single Piston calliper | ||
| Tyre Size | 225/50R16 | ||
| Wheel Size | 16x7" 5 stud 114.3pcd | ||
| Kerb Mass | 1580kg | ||
| Fuel Tank | 70Litres | ||
| Body Specifications | |||
| Claimed Cd | 0.33 | ||
| Wheelbase | 2595mm | ||
| Track Front | 1485mm | ||
| Track Rear | 1480mm | ||
| Length | 4620mm | ||
| Width | 1745mm | ||
| Height | 1300mm | ||
| Interior Dimensions | |||
| Dash to rear seat | 1515mm | ||
| Drivers seat to wheel (min/max) | 515/750mm | ||
| Drivers seat to pedals (min/max) | 350/570mm | ||
| Rear kneeroom (min/max) | 45/275mm | ||
| Shoulder width, front | 1330mm | ||
| Shoulder width, rear | 1280mm | ||
| Front cushion depth | 500mm | ||
| Front cushion height (min/max) | 250/275mm | ||
| Rear cushion depth | 470mm | ||
| Rear cushion height | 240mm | ||
| Front door opening length/height | 1220/830mm | ||
| Boot Dimensions | |||
| Floor length (seat up) | 970mm | ||
| Floor length (seat down) | 1500mm | ||
| Floor width (min/max) | 750/1300mm | ||
| Floor cover/roof (min/max) | 330/640mm | ||
| Opening Depth | 1145mm | ||
| Lip to lid | 830mm | ||
| Loading height (lip to ground) | 900mm | ||
1JZ-GTE Engine Swap
1JZ-GTE Engine Swap
Why a 1JZ Engine Swap
For a while I have been toying with the idea of various mods to make more power. I considered building a 7M with a big turbo, fuel system, etc. I considered trying to get more power out of my current engine with more bolt on mods. I also considered a 1JZ-GTE swap. January of 2002 I sent a friend (Orin, the Texas expert in JZA70 Supras) an email asking if he had a line on a 1JZ I could import. About a month later he emailed me (quite to my surprise) to tell me he had an engine, ECU, wiring harness, and automatic transmission I could buy! This was a surprise because most of the people I have talked to have had to wait several months for their engine to arrive after they found one (which can also take months). I am very lucky.
My engine is from a 1993 Japanese spec Soarer (Lexus SC300). The only piece missing from the engine was the engine mounts (what makes the use of a JZ series engine in a A70 Supra possible) and the correct sump assembly (at this point I think the sump I have will work). Chip Springall is having engine mounts milled using Orin's engine mounts as an example. Orin will be selling these with his JZ engine swap kits. Neither the engine mounts nor the swap kits are available at the moment but they will be shortly. In all likely hood my car will provide the test and some of the instructions for the kit.
1JZ Background
The 1JZ was developed in 1989 to replace Toyota's aging "Truck Engine" the 7M. The 1JZ has a short stroke and high rev limit (7500 rpm). It displaces 2.5 liters and has a compression ratio of 8.5:1. In stock form, the 1JZ-GTE is rated at 280 hp at 8.5 psi of boost. In contrast, the 7M produced 232 hp with 7psi of boost. The C12A turbos have a reputation for failing at high boost (>20psi) in unmodified form. They present the first true limit to the power the engine can produce.
Good Things
- Speed density air metering from the factory (instead of a vortex type air flow meter).
- 7500 RPM redline.
- Bullet proof bottom end.
- Excellent Engine Management.
- Lots of 2JZ bolt on mods available that will work with the 1JZ.
Bad Things
- 380cc injectors (the 7M-GTE has 440cc stock).
- Frankinsteined wiring harness (Toyota changed the wiring harness in the JZA70 Supras).
- Replacement parts are hard, or impossible to get (especially quickly).
- 1JZ specific performance parts, while plentiful, were never sold in the US so they are hard to get.
- 122mph rev speed limiter.
- 12-14psi boost fuel cut (the 7M-GTE and the 2JZ-GTE both have this as well).
The Plan
Currently I am selling all my 7M specific mods (HKS F-Con/FCD, HKS Intercooler, Modified Turbo, Level 10 Tranny, 3" down pipe, K&N FIPK). The cash from this will fund the engine swap and the stage 1 items below.
93-98 Supra Turbo (2JZ-GTE) F1 Racing Stage 1 Full Organic Clutch Kit
93-99 Supra Non-Turbo (2JZ-GE) F1 Racing Stage 1 Full Organic Clutch Kit
93-98 Supra Turbo (2JZ-GTE) F1 Racing Stage 4 Ceramic Solid Clutch Kit
93-99 Supra Non-Turbo (2JZ-GE) F1 Racing Stage 3 Ceramic Sprung Clutch Kit
93-99 Supra Non-Turbo (2JZ-GE) F1 Racing Stage 4 Ceramic Solid Clutch Kit
93-98 Supra Turbo (2JZ-GTE) F1 Racing Stage 2 Carbon Kevlar Clutch Kit
93-99 Supra Non-Turbo (2JZ-GE) F1 Racing Stage 2 Carbon Kevlar Clutch Kit
93-98 Supra Turbo (2JZ-GTE) F1 Racing Stage 3 Ceramic Sprung Clutch Kit
93-98 Supra Turbo (2JZ-GTE) F1 Racing Stage 1 Full Organic Clutch Kit
93-99 Supra Non-Turbo (2JZ-GE) F1 Racing Stage 1 Full Organic Clutch Kit
93-98 Supra Turbo (2JZ-GTE) F1 Racing Stage 4 Ceramic Solid Clutch Kit
93-99 Supra Non-Turbo (2JZ-GE) F1 Racing Stage 3 Ceramic Sprung Clutch Kit
93-99 Supra Non-Turbo (2JZ-GE) F1 Racing Stage 4 Ceramic Solid Clutch Kit
93-98 Supra Turbo (2JZ-GTE) F1 Racing Stage 2 Carbon Kevlar Clutch Kit
93-99 Supra Non-Turbo (2JZ-GE) F1 Racing Stage 2 Carbon Kevlar Clutch Kit
93-98 Supra Turbo (2JZ-GTE) F1 Racing Stage 3 Ceramic Sprung Clutch Kit
Stage 1
The idea of stage 1 is to get the engine in the car and running at a basic level.
- Install the engine and get it running. This will involve frankensteining the wiring harness into the gauges and EFI accessories, such as the fuse box.
- Install a HKS Type S front mount intercooler for the MKIV Supra. It is large enough to support substantial horse power, but not so large that it causes undo lag.
- Custom 3" down pipe.
- Hard pipe intake.
- Performance intake filter.
Stage 2
The idea of stage 2 is to take the car to the limit of the factory, unmodified C12A turbo chargers, which should be around 400 rwhp.
- HKS SCD - get rid of that pesky 122mph speed limiter ($150);
- HKS FCD - 14 psi will never be enough ($125).
- MKIV 550cc injectors.
- HKS Super AFR - compensate for the additional fuel from the injectors and tune the fuel curve ($350).
If necessary I will also add a Walbro fuel pump and adjustable fuel pressure regulator. The 550cc injectors should support the power I want to produce without upping the fuel pressure. If they will not flow the fuel this will allow me to up their fuel flow.
Stage 3
The idea of stage 3 is to take the car into truly scary territory. My goal will be >650 rwph. My plans for this stage are vague at best. I do not foresee any of this work occurring for at least 2 years. I will convert the engine to a largish single turbo and will probably add at least a 100 shot of NOS. I will also upgrade the intercooler to a thicker core, probably an HKS Type R for the MKIV Supra.
One advantage the 1JZ has over the 7M is that it can use all the 2JZ exhaust parts including the tuned manifolds that are available. I expect to use a 68 or 72 trim turbo. I have not given the exhaust a/r any thought at this point. The upgrades will also include a fuel system and the Apexi programable drop in computer.
1JZ
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Pictures
A 1JZ-GTE with CT-26 turbo (i.e. it is the single turbo version) in the Tokyo childrens museum.
A very clean 1JZ-GTE engine.
A 1JZ-GE engine.
A scrap 1JZ waiting for a new home.
A 1JZ-GTE equipped MKII Supra.
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