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project 1jz sc 400

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Old 09-05-06, 12:34 PM
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sc250tt
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Default project 1jz sc 400

i need all the help i can get ,i looked at clubna-t and the had some helpful info on doing the swap .from what i understand its not a plug and play installation .this is what i know so far:
1. the harness have to be extended 18 inches .
2. the mounts and brackets have to be changed to an sc 300
3. not too sure if the driveshaft is gonna fit
4. i know the rpm and wont work till i get thr msd tach adapter
5.a spool of 18g wire
6. 330 ohm resistor for themp guage
is the wireing the same on the sc4 and sc3?
what else i need to have this swap a sucessful project ?anybody have more experience and more famaliar with this swap willing to share some info wit me i would really apperciat it .thanks .trent.
Old 09-05-06, 01:23 PM
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JTJerryls400
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1. yes
2. IT WILL FIT with soarer mounts or sc300 mounts or supra mounts.
3. no it will NOT fit. FOR SURE
4. RPM do not work without mods
5. sure, lenght only body plugs, ecu plugs are not needed to lenght. it will fit when put ecu upside down. tight but fit.
6. hahhah, not resistor, you must ground one wire that is not grounded via soarer wiring. in sc it is grounded via sc stock engine wiring. in 1jz there is empty pin, just ground it. When temp gauge will work perfectly well. I done that and work as stock 1uz for me.

I done 1jz swap to my sc400.
Old 09-06-06, 07:11 AM
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Originally Posted by lexusboy94
3. not too sure if the driveshaft is gonna fit
Just use the front half shaft from a SC300
Old 09-06-06, 07:40 AM
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sc250tt
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sweet thanks for the info
Old 09-10-06, 11:17 PM
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dinhNER
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keep going on the info bc im currently saving for it !!!
Old 09-11-06, 07:27 AM
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sc250tt
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well finally i dropped the engine in this sunday (looks so sexy already)so now all i have to do is exted the harness and run my intercooler piping oh yea and the exhaust .the engine itself took me like 2 hours to swap ,easier than a honda .but the wireing is another issue by itself .should have it done sometime this week .so far so good though
Old 09-11-06, 12:01 PM
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lpolo69
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you dont need the tach adapter just jump the r109 resistor on the cluster with a wire...
Old 09-11-06, 12:03 PM
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sc250tt
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what about the body harness .do i jus have to plug it up and it will work or do i have to rewire anything?
Old 09-11-06, 12:53 PM
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Great car! those are some nice times.
How dificult was the swap from sc400 to jz?
is a mechanic would do the work what do you think the labor costs would be?
Old 09-12-06, 07:02 AM
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sc250tt
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getting the engine in there was easy but .i still have to extend the harness and find out which wires i have to wire up in the car
Old 09-12-06, 08:21 AM
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dinhNER
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take alot of pictures

too bad yall dont live in houston,tx if yall did i would be happy to take like hundreds of pictures for yall
Old 09-12-06, 08:50 AM
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sc250tt
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will be taking some pics later today
Old 09-14-06, 05:47 AM
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sc250tt
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ok so she is wired up .tried cranking her but it only tumbles not starting .it sound like its about to start but nothing .the fuel is good not too sure about the ignition .will the alternator wires cause this .because all the alternator wires are disconnected any suggestions cl?
Old 09-14-06, 08:03 AM
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Philly#1 Lex
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I am watching this project very closely. So hurry up and finish!

Haha. Good luck
Old 09-14-06, 08:13 AM
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dinhNER
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why dont people ever show pictures lol

im very photo detailed i guess


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