SC300 w/ Aristo 2JZGTE
01-18-12, 06:17 PM
#77
1JZ Single SC400
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I cant believe this thread just fell off the face of the earth. Good gosh at the good info. All threads need to start out like this, the only thing I would change is the end, with all the pictures of the conclusion... Then call it a love story...
03-06-12, 11:16 AM
#80
Lexus Champion
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Nobody is going to give you a step by step procedure in doing the wiring. Its simply too many steps in doing this. The best thing we have right now on the forums is Wanganstyl's thread. If you do a search on his threads you will be able to find it.
07-19-12, 05:25 PM
#82
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1. 2JZGTE (JDM Aristo) w/ Auto Tranny and ECU
2. Supra Turbo Fuel Pump inc. stainer, rubber seat and clip
3. Supra OEM MAF, Intake, Intercooler and Intercooler piping
4. Supra Power Steering Reservior
5. Fuel Pump ECU (98 Supra Non-Turbo)
6. Supra turbo heater hoses (3 pieces+ 1 Generic hose 1/2'' from
Autozone)
7. SC400 Drive shaft and transmission output flange. Also, extra
rubber flex coupler.
8. US Spec Supra turbos rebuilt by Turbo City
9. 3" Megan Downpipe
10. Custom Dual Exhaust (3" to 2.5"(Dual) piping w/ Apexi.
Mufflers. Flowmaster 3" to dual 2.5": Y-Pipe
11. Custom Intercooler Shroud
12. Custom Power Steering Lines
13. Greddy BOV kit for Supra
14. Greddy B Spec II Boost Controller and Turbo Timer
15. Supra Turbo Water pump
16. MSD 8920 Tach Adapter
17. Supra Turbo Sway Bar w/ End Links
18. Supra Turbo Throttle cable
19. Supra Turbo fan
20. Magnaflow 3" catalytic converter
21. Supra Brake Booster vacuum fitting for Intake manifold.
22. Silicon Vacuum Lines
23. Supra turbo oil return flange, #2 turbo oil return line, return hoses
24. Supra turbo upper and lower radiator hoses and thermostat housing
Total Cost: ~$5K-$6K (I rebuilt and replaced every gasket and hose with OEM replacement...add $500)
***I highly recommend getting a supra 2jzgte motor/tranny/ecu set-You can save an least $200 and some time on install.
Also, if you use the turbos that came with the motor- you can save an additional $800.
Installation Notes:
The SC300 shares a nearly identical chassis as MKIV Supra which makes the swap somewhat user friendly.
Notes for above parts:
1. Need to use SC300 motor mounts w/ brackets or change to
Supra's. Need to use the SC300's Oil Pan (Both of them),
sump, stainer , baffle, oil level sensor and oil dip stick.
Also, the oil pan has a provision to run a oil return line but
you need to drill out the center hole and tap holes to add studs.
You'll need to change #2 oil return line to supra's and get the
Supra's oil return flange that connects to pan....It's
different than Aristo's. Also, get the Supra's oil return
hoses.
Also, use the Sc's tranny mount and bracket
2. Supra Turbo Fuel pump should be clamped to bracket to
prevent to from slipping out. Bend metal fuel line up a little
to allow pump to fit in correctly.
3. The Aristo motor doesn't use a MAF but I added one
(gutted) so I can fit the factory intake nicely.
I had to cut/modify wheel well plastic cover because the
side-mount is a little fat. This cover won't bolt down nicely so I
just zip-tied to bumper. Supra intercooler shroud won't
clear fog lamps. Soarer intercooler + shroud and piping
should be a direct fit if you can find them.
4. I had to make custom powersteering lines because the
supra's OEM intercooler piping gets in the way. Also, you need
to bend the a/c lines too make room for piping on the other end.
Be very careful not to over crimp or crack these lines.
5. Many people re-wire to run 12v to pump constantly. This
will work fine but the pump will be a little noisy inside cabin.
I change the fuel pump ECU to 98 Supra NA and here's why:
-Fuel pump is designed to run in two modes:
High (Battery Voltage to Pump) for Starting and High Load
Low- (9v to pump) for Idle and Low Load
-The Aristo's ECU puts out 2.5v to signal low and 5v to
signal high through the FPC Circuit. The SC300's Fuel Pump
ECU uses a 9V(Low) and 12v(High) signal just like the
Supra Turbo's. The 98 Supra Non-Turbo had an ECU
change. This new ECU uses a 2.5v-5v FPC Signal and so
it's fuel pump ecu was changed. This makes the 98 Supra
NA fuel pump ecu suitable to use with the Aristo ECU.
**Please note the 97-98 Supra Repair Manuals are
incorrect. The 93-98 Supra Turbo never changed ECU
design and so uses 9v-12v FPC signals not 2.5v-5v.
Currently: I'm working on designing a relay system so you can
use the sc300 fuel controller with Aristo ECU. Watch for this in the
future in Part IIa: Electrical
6. Install the hoses to heater core while engine is out... they
are a real pain to get to with the engine in.
7. Most people get custom drive shafts made. The SC400
set-up is a direct fit....good for me since I won't be running
really high boost or anything just 14psi max.
8. If you use JDM turbos please inspect the compressor and
ceramic turbine wheel for damage...they are sensitive.
You'll probably need a custom downpipe for JDM turbos.
9. Downpipes for Supra turbo will bolt up SC300's exhaust...
but you should upgrade it.
11. I made mine with fiberglass.
12. Used 3/8" Aluminum piping from Earl's
13. Can't mount it like how Supra Turbo because of heater
Control VSV so I relocated it and added longer 3/4" hose
to mount near ABS where cuise control used to be.
Note: I disabled cruise control but the Aristo does have provisions
to have cruise control but you'll probably need custom thottle cables.
15. Aristo motor comes with a Electric fan and water pump so I changed both to supra's belt driven ones. Use SC300's water pump pulley w/ Supra turbo pump and fan(smaller than SC300's for clearance)
17. Supra's OEM Intercooler piping won't clear SC300's
front sway bars. Use supra or aftermarket supra sway bar.
20. Magnaflow makes a low-profile 3" catalytic converter Part#54959
Yes, you will lose some power but surely you like clean air.
If you race, on track of coarse, go with straight downpipe
21. Aristo's Intake Manifold has a bolt on top of it...toss this and use
supra's vacuum booster banjo bolt w/ washers. I just used an
Earl's banjo fitting. Cut to fit SC's Booster hose and remember the
one-way vaccum valve is directional.
22. I would replace and zip-tie all of them.
Baker Precision Products in Signal Hill, Ca. sells them by the foot.
They also have braided lines, silicon fiberglass hose wrap, Earl's/Aero-Quip fittings
Additional:
SC300's AC compressor is being used. You will need to make a 12VDC .5A "high sensitivity" relay so your AC Control Module will communicate correctly with Aristo ECU to activate compressor clutch via MGC signal line. Watch for this in Part IIa Electrical: Coming Soon
Provisions to run a factory intercooler are provided in chassis like mounting holes and intercooler piping routing, but you need to make brackets to fit the Supra side-mount intercooler. I'm using the SC300 radiator, shroud and tranny cooler...I recommend upgrading the radiator if you plan to modify motor extensively or using front-mount intercooler. Stock Radiator works great for me. Supra Radiators don't fit so nicely in a SC.
You can bent the radiator upper brackets down to use a supra radiator. I would try using a SC or JDM Soarer designed performance radiator for easy set-up. I think the SC400 core is bigger but not so sure.And get one with an internal cooler if you have a Auto tranny...it's alot of work to mount an external one ....Unless you race. Aristo's motor has different cam profile, smaller injectors and smaller turbo compared to US spec Supra turbo. It was designed to have quicker spooling and more torque. The Aristo's Traction Control in not being used since I don't have the TRAC ecu... but I don't need this anyways. Remember to use TYPE TII(now IV) Toyota tranny fuild and Dextron II+ for powersteering.
2. Supra Turbo Fuel Pump inc. stainer, rubber seat and clip
3. Supra OEM MAF, Intake, Intercooler and Intercooler piping
4. Supra Power Steering Reservior
5. Fuel Pump ECU (98 Supra Non-Turbo)
6. Supra turbo heater hoses (3 pieces+ 1 Generic hose 1/2'' from
Autozone)
7. SC400 Drive shaft and transmission output flange. Also, extra
rubber flex coupler.
8. US Spec Supra turbos rebuilt by Turbo City
9. 3" Megan Downpipe
10. Custom Dual Exhaust (3" to 2.5"(Dual) piping w/ Apexi.
Mufflers. Flowmaster 3" to dual 2.5": Y-Pipe
11. Custom Intercooler Shroud
12. Custom Power Steering Lines
13. Greddy BOV kit for Supra
14. Greddy B Spec II Boost Controller and Turbo Timer
15. Supra Turbo Water pump
16. MSD 8920 Tach Adapter
17. Supra Turbo Sway Bar w/ End Links
18. Supra Turbo Throttle cable
19. Supra Turbo fan
20. Magnaflow 3" catalytic converter
21. Supra Brake Booster vacuum fitting for Intake manifold.
22. Silicon Vacuum Lines
23. Supra turbo oil return flange, #2 turbo oil return line, return hoses
24. Supra turbo upper and lower radiator hoses and thermostat housing
Total Cost: ~$5K-$6K (I rebuilt and replaced every gasket and hose with OEM replacement...add $500)
***I highly recommend getting a supra 2jzgte motor/tranny/ecu set-You can save an least $200 and some time on install.
Also, if you use the turbos that came with the motor- you can save an additional $800.
Installation Notes:
The SC300 shares a nearly identical chassis as MKIV Supra which makes the swap somewhat user friendly.
Notes for above parts:
1. Need to use SC300 motor mounts w/ brackets or change to
Supra's. Need to use the SC300's Oil Pan (Both of them),
sump, stainer , baffle, oil level sensor and oil dip stick.
Also, the oil pan has a provision to run a oil return line but
you need to drill out the center hole and tap holes to add studs.
You'll need to change #2 oil return line to supra's and get the
Supra's oil return flange that connects to pan....It's
different than Aristo's. Also, get the Supra's oil return
hoses.
Also, use the Sc's tranny mount and bracket
2. Supra Turbo Fuel pump should be clamped to bracket to
prevent to from slipping out. Bend metal fuel line up a little
to allow pump to fit in correctly.
3. The Aristo motor doesn't use a MAF but I added one
(gutted) so I can fit the factory intake nicely.
I had to cut/modify wheel well plastic cover because the
side-mount is a little fat. This cover won't bolt down nicely so I
just zip-tied to bumper. Supra intercooler shroud won't
clear fog lamps. Soarer intercooler + shroud and piping
should be a direct fit if you can find them.
4. I had to make custom powersteering lines because the
supra's OEM intercooler piping gets in the way. Also, you need
to bend the a/c lines too make room for piping on the other end.
Be very careful not to over crimp or crack these lines.
5. Many people re-wire to run 12v to pump constantly. This
will work fine but the pump will be a little noisy inside cabin.
I change the fuel pump ECU to 98 Supra NA and here's why:
-Fuel pump is designed to run in two modes:
High (Battery Voltage to Pump) for Starting and High Load
Low- (9v to pump) for Idle and Low Load
-The Aristo's ECU puts out 2.5v to signal low and 5v to
signal high through the FPC Circuit. The SC300's Fuel Pump
ECU uses a 9V(Low) and 12v(High) signal just like the
Supra Turbo's. The 98 Supra Non-Turbo had an ECU
change. This new ECU uses a 2.5v-5v FPC Signal and so
it's fuel pump ecu was changed. This makes the 98 Supra
NA fuel pump ecu suitable to use with the Aristo ECU.
**Please note the 97-98 Supra Repair Manuals are
incorrect. The 93-98 Supra Turbo never changed ECU
design and so uses 9v-12v FPC signals not 2.5v-5v.
Currently: I'm working on designing a relay system so you can
use the sc300 fuel controller with Aristo ECU. Watch for this in the
future in Part IIa: Electrical
6. Install the hoses to heater core while engine is out... they
are a real pain to get to with the engine in.
7. Most people get custom drive shafts made. The SC400
set-up is a direct fit....good for me since I won't be running
really high boost or anything just 14psi max.
8. If you use JDM turbos please inspect the compressor and
ceramic turbine wheel for damage...they are sensitive.
You'll probably need a custom downpipe for JDM turbos.
9. Downpipes for Supra turbo will bolt up SC300's exhaust...
but you should upgrade it.
11. I made mine with fiberglass.
12. Used 3/8" Aluminum piping from Earl's
13. Can't mount it like how Supra Turbo because of heater
Control VSV so I relocated it and added longer 3/4" hose
to mount near ABS where cuise control used to be.
Note: I disabled cruise control but the Aristo does have provisions
to have cruise control but you'll probably need custom thottle cables.
15. Aristo motor comes with a Electric fan and water pump so I changed both to supra's belt driven ones. Use SC300's water pump pulley w/ Supra turbo pump and fan(smaller than SC300's for clearance)
17. Supra's OEM Intercooler piping won't clear SC300's
front sway bars. Use supra or aftermarket supra sway bar.
20. Magnaflow makes a low-profile 3" catalytic converter Part#54959
Yes, you will lose some power but surely you like clean air.
If you race, on track of coarse, go with straight downpipe
21. Aristo's Intake Manifold has a bolt on top of it...toss this and use
supra's vacuum booster banjo bolt w/ washers. I just used an
Earl's banjo fitting. Cut to fit SC's Booster hose and remember the
one-way vaccum valve is directional.
22. I would replace and zip-tie all of them.
Baker Precision Products in Signal Hill, Ca. sells them by the foot.
They also have braided lines, silicon fiberglass hose wrap, Earl's/Aero-Quip fittings
Additional:
SC300's AC compressor is being used. You will need to make a 12VDC .5A "high sensitivity" relay so your AC Control Module will communicate correctly with Aristo ECU to activate compressor clutch via MGC signal line. Watch for this in Part IIa Electrical: Coming Soon
Provisions to run a factory intercooler are provided in chassis like mounting holes and intercooler piping routing, but you need to make brackets to fit the Supra side-mount intercooler. I'm using the SC300 radiator, shroud and tranny cooler...I recommend upgrading the radiator if you plan to modify motor extensively or using front-mount intercooler. Stock Radiator works great for me. Supra Radiators don't fit so nicely in a SC.
You can bent the radiator upper brackets down to use a supra radiator. I would try using a SC or JDM Soarer designed performance radiator for easy set-up. I think the SC400 core is bigger but not so sure.And get one with an internal cooler if you have a Auto tranny...it's alot of work to mount an external one ....Unless you race. Aristo's motor has different cam profile, smaller injectors and smaller turbo compared to US spec Supra turbo. It was designed to have quicker spooling and more torque. The Aristo's Traction Control in not being used since I don't have the TRAC ecu... but I don't need this anyways. Remember to use TYPE TII(now IV) Toyota tranny fuild and Dextron II+ for powersteering.
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