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Location: brisbane
Registered: December 2003
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W50 gearbox fits 1jz
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Wed, 28 July 2004 04:17
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First question is that i have a 84 model 2.4l celica which i want to know wheather or not its a W50 and i plan to do a 1JZ conversion and i have been told that it bolts straight in is that true? and if so with a performance cluch and flywheel will my celica 5 speed be able to take a 300hp 1jz
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Registered: June 2004
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Re: W50 gearbox fits 1jz
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Wed, 28 July 2004 04:23

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i'm not positive, but the gearbox in you celica is a w58. guy on here has a 2jz with a w58, and he broke it several times. the box you need is an r154, but there expensive. good luck, your gonna need it. oh, i'm pretty sure the r154 won't fit in the tranny tunnel without massaging the tunnel first! there chunky!!!
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Location: Brisbane
Registered: May 2002
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Re: W50 gearbox fits 1jz
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Wed, 28 July 2004 04:29

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A W58 will be just fine behind a 1JZ if you treat it nice. I'm the guy who broke "several" W58's behind a 2JZ, (actually was just one, the other one was a W57), but a 2JZ has a lot more torque than a 1JZ and I was far from nice with it!
The W58 will bolt up to a 1JZ but you need a JZ bellhousing first, which unfortunately aren't that easy to find. Keep an eye on the forsale section, or if you get desperate you can buy them new from Toyota (ask BlackSupra about this, he bought a new one).
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Registered: June 2004
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Re: W50 gearbox fits 1jz
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Wed, 28 July 2004 05:56

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i didn't say you broke several of them, i said you broke it several times, but as you said, one was a w57. was i right? does his celica have a w58? or is it a w57? have a look on your vehicle id plates and tell us what it says next to trans/axle please.
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Location: Brisbane
Registered: May 2002
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Re: W50 gearbox fits 1jz
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Wed, 28 July 2004 06:31

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I broke a W58 and a W57, once each.
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Location: brisbane
Registered: December 2003
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Re: W50 gearbox fits 1jz
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Thu, 29 July 2004 03:51

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thanks for that guys but does anyone know if my gearbox bolt on to a 1J has anyone done it?
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Location: Brisbane
Registered: May 2002
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Re: W50 gearbox fits 1jz
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Thu, 29 July 2004 03:57

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Your question has already been answered, but since your comprehension skills are apparently sub-par, I'll re-iterate for you.
1. The transmission in your Celica is a W57/58, NOT a W50.
2. W58 transmissions were installed behind JZ engines from the factory (non-turbo versions that is).
3. You will need a JZ -> W58 bellhousing to make this work.
4. Lots of people have done this before, which you would know already if you'd done some research.
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Location: Brisbane
Registered: May 2002
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Re: W50 gearbox fits 1jz
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Thu, 29 July 2004 04:18

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Norbie wrote on Thu, 29 July 2004 13:57 | Your question has already been answered, but since your comprehension skills are apparently sub-par, I'll re-iterate for you.
1. The transmission in your Celica is a W57/58, NOT a W50.
2. W58 transmissions were installed behind JZ engines from the factory (non-turbo versions that is).
3. You will need a JZ -> W58 bellhousing to make this work.
4. Lots of people have done this before, which you would know already if you'd done some research.
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or we could hold his hand?
Cheers
Wilbo
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Location: Sydney
Registered: March 2003
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Re: W50 gearbox fits 1jz
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Thu, 29 July 2004 05:04

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Is it true, that JZA80 W58's bolt straight up to 1JZ?
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Location: Canberra
Registered: May 2002
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Re: W50 gearbox fits 1jz
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Thu, 29 July 2004 08:26

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King of Zamunda, Yes, it will "bolt up", but will it fit the recipient vehicle? Time for a tape measure, a scrap of paper and writing implement.
Markings on bell housing, " xJ - W5x ". Which really means, any "J" series engine to W55/W57/W58.
regards Chuck.
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Location: Melbourne
Registered: May 2002
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Re: W50 gearbox fits 1jz
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Fri, 30 July 2004 07:58

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bender, just by some chance that your car does have a W50 in it, which i would not know how, you would not want to run it on a 1jz, you would prob most likely blow the box reversing out the driveway. Check your vehicle id tag, look under the
trans/axel: section and it should tell you what box you have W5x.
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Location: perth WA
Registered: January 2003
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Re: W50 gearbox fits 1jz
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Sat, 31 July 2004 01:08
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i will be selling my r154 box,flywheel and brand new clutch all to suit 1jz .. $2k
thats the going rate
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