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Location:
Forrestfield, WA
Registered:
August 2002
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 JZA70 Auto - Manual Conversion
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Fri, 27 December 2002 06:59
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Okay heres the deal 
Ive been offered a W58 Gearbox (5 Speed from a NA JZA80) with clutch pedal, cylinder, everything that i need for $1500. 
Has anyone put a W58 into a 1JZ? The Manual JZA70's used Getrag 154's but they are like hens teeth second hand with the 1JZ bellhousing. Its from a 2JZ and from the picture in my engine handbook the back of the engine looks the same from memory so it should bolt on... in theory.
Will the W58 fit in the transmission tunnel? 
Tail Shaft? an idea for getting one made.. i rang a few people but they all laughed at me on the phone or couldnt give me an answer. Ive been told to speak to Veem Engineering (sp?) in WA but havent called them yet.
ECU...... Can I run a manual transmission with an Automatic based ECU? Someone said ill just have a check engine light on all the time...?
Any other useful hints and tips anyone has to offer would be greatly appreciated..
ill be considering doing the work myself, but if advised strongly enough not to i might get it done professioanlly... but as they say if you want it done properly you have to do it yourself..
If anyone has done this, i would greatly appreciate chatting to ya via email or something... poombah_@hotmail.com
I sick of sluggish performance from the auto box, and the huge drivetrain loss, people with same mods as me but with manual are pulling around 20-40hp more at the wheels!! 
Thanks 
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Location:
Gold Coast, Australia
Registered:
December 2002
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Re: JZA70 Auto - Manual Conversion
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Fri, 27 December 2002 08:10
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A mate of mine has an MA70 7MGTE which he converted from auto to manual and is now fitting a 1JZGTE. I'm sure he will be able to give you a few pointers, he's been to hell and back with that gearbox. Email him nickc@winshop.com.au or ask on his forums www.performanceforums.com under the tech section and watch the Supra nazis swarm to your post.
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: JZA70 Auto - Manual Conversion
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Sat, 28 December 2002 05:31
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the w58 will fit nicely.
I'm running a manual gearbox with auto ecu at the moment, and it's a BITCH. in a few weeks (fingers crossed) I'll have a spare 1jz manual ecu lying around, if you're looking for one. I just need it to get me past emissions
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Location:
Forrestfield, WA
Registered:
August 2002
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Re: JZA70 Auto - Manual Conversion
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Sat, 28 December 2002 05:44
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Cool, ive been told on another forum that i need to get a different pedal as the JZA80 one will not fit..
my main concerns seem to be addressed, ive been told getting the tailshaft modded is no worries, so yeah looks like a goer.
I cant wait hey. I just want to track down photos of cars that have been manually converted to see where they mount things and how they run this and that.
The thing i just realised is... speedo? whats the deal there?
- Russ
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: JZA70 Auto - Manual Conversion
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Sat, 28 December 2002 06:39
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what's the problem there?
auto box has a speed sensor i know, but mine is wired up to the (engine?) speed sensor
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Location:
Forrestfield, WA
Registered:
August 2002
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Re: JZA70 Auto - Manual Conversion
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Sat, 28 December 2002 07:30
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I dunno hey, mine has speedo cable coming out of the box... can that just be disconnected?.. is there a second speed sensor on the engine?
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: JZA70 Auto - Manual Conversion
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Sat, 28 December 2002 07:38
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I assume so.
dont take that as gospel tho, as I'm not in the mood to go searching around in my engine bay for the connecctions.
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Location:
Forrestfield, WA
Registered:
August 2002
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Re: JZA70 Auto - Manual Conversion
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Sun, 29 December 2002 05:32
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I cnat belive i said that hey, engine sensor... wtf... how on earth would that work ? 
Bah ill work it out, had a bit of a "oh wheres the oil gone" scare last nite... then realised last service i forgot to put the extra half litre in to compensate for oil change..
*doh*
Not a good thing crawling home at 5am half asleep with a sobering headache to notice the low oil light on :\
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Location:
Melbourne
Registered:
July 2002
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 Re: JZA70 Auto - Manual Conversion
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Sun, 29 December 2002 08:02
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The speed sensor for the ECU is located behind the speedo in the dash.
The cable comes from the extension housing of the gearbox to the speedo which in turn drives the speed sensor.
Cheers
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