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Registered:
August 2002
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1jz manual vs auto wiring loom variations
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Wed, 25 June 2003 08:27
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What is the difference between the two?
Can a manual ecu be plugged into the auto loom and work without running in limp mode? Simple alternation of the auto speed sensor?
It is just much cheaper buying and auto half cut and going from there. Any help appreciated.
The debate is 7mgte vs 1jz into the supra.
But i figure i will have to do the head gasket etc on the 7m, so if this can be done with the 1j it may be very viable.
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: 1jz manual vs auto wiring loom variations
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Wed, 25 June 2003 11:13
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Oh ooh....you still can't make up your mind can you?
I would connect to ICQ, but I'm not allowed in here...stupid lab Nazi's!
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Location:
cronulla
Registered:
September 2002
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Re: 1jz manual vs auto wiring loom variations
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Wed, 25 June 2003 13:27
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i found you a fly wheel and i can get you a bell housing brand new for $380, the rpm clutch kit i got for my car (thrust bearing, clutch plate, 650 kg pressure plate) was $165 and i can get another one, the auto computer will work, it did just fine in my last one but it will run alittle rich and use a bit more fuel, however when i go aftermarket ill give you my manual ecu, nyway, ill talk to you about it later in this week, ps did you call those guys at miranda?
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Registered:
June 2002
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Re: 1jz manual vs auto wiring loom variations
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Thu, 26 June 2003 04:27
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So your 1JZ 5spd (using an auto ECU), ran rich!?!?
At Idle aswell?? or just while driving??
I have a 1JZ with a JZA80 W58 running on a Auto ECU and it seems to run ruch at idle???
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: 1jz manual vs auto wiring loom variations
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Thu, 26 June 2003 07:03
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rich all the time
putting a manual ECU in gives smallish performance gains and big fuel economy gains
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Registered:
June 2002
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Re: 1jz manual vs auto wiring loom variations
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Fri, 27 June 2003 03:38
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Interesting.
Any clues why??
O'well, I'll have to run more boost to use all the fuel I can!!!
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: 1jz manual vs auto wiring loom variations
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Fri, 27 June 2003 05:49
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coz when the auto ecu is in it runs in limp mode.
in which case you really dont wanna be maxing out the boost
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Location:
sydney
Registered:
March 2003
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Re: 1jz manual vs auto wiring loom variations
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Fri, 27 June 2003 07:46
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someone asked me recently about this conversion
maybe one day if someone would pay me abit to sit down and figure out what signals come from the auto to the ecu
or maybe ill just do it in my spare time
does anyone know if the auto computerr runs the engin e richer
due to the settings and feul maps or is it that it runs in limp mode
if its in limp mode maybe one day we can check what readings the auto sends to the auto ecu for it to run
so we can then replicate these readings when using an auto ecu with a manual
i doubt it could be too difficult
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: 1jz manual vs auto wiring loom variations
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Fri, 27 June 2003 08:20
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it's 'cause it's in limp mode, as far as I know.
I considered doing that too... all you'd need is an auto 1jz to check the signal.
In the end I didn't bother tho, as I had a microtech going in
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Location:
Southern Sydney
Registered:
August 2002
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Re: 1jz manual vs auto wiring loom variations
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Fri, 27 June 2003 17:27
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I think when the ECU detects anything abnormal they switch to a closed loop program and run a richer fuel program. Just like having your foot mashed to the floor perminantly.
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: 1jz manual vs auto wiring loom variations
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Sat, 28 June 2003 03:59
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not quite
limp mode runs richer than that, and also retards the timing
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Registered:
June 2002
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Re: 1jz manual vs auto wiring loom variations
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Sun, 29 June 2003 20:53
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If it is running in 'limp mode' does the engine check light stay on??
My engine check light goes out when the engine is running. Doesn't flash or anything!?!?!
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: 1jz manual vs auto wiring loom variations
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Mon, 30 June 2003 11:20
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nope
nothing like that at all
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Registered:
June 2002
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Re: 1jz manual vs auto wiring loom variations
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Wed, 02 July 2003 00:55
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How do you know when it is in Limp mode then??
I'd imagine the engine check light should be on or flashing while the engine is running!!
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: 1jz manual vs auto wiring loom variations
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Wed, 02 July 2003 05:27
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nope!
the fact that it's less responsive and blows loads of smoke gives it away.
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