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Need help confirming W58

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Old Nov 28, 2018 | 11:11 PM
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Default Need help confirming W58

Hi, I have a 95 SC400 that I wanted to swap to manual. As I understand, W58 from mk3 will not work without heavy medications but the W58 out of SC300s and MK4 supras will work.

my problem problem is I don’t know how to tell them apart. This W58 popped up for sale locally. Said to be off a MK4 Supra and has a 2JZ bell housing. It also has the stock drive shaft.

can someone confirm that this is the MK4 transmission and will bolt onto the SC400?

Thanks
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Old Nov 28, 2018 | 11:15 PM
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Old Nov 29, 2018 | 12:15 AM
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I'm rusty on remembering exactly what a 2JZ W58 bellousing looks like but the rest of that W58 is a "tripod" style setup which would make it from a 1993.5-1997 Supra MKIV Non-Turbo OR a 1995-1997 Lexus SC300 5-speed M/T.

The middle sandwich plate on the desirable MKIV & SC W58's are steel rather than aluminum. The middle sandwich plate looks painted (or maybe they did come painted in the tripod types?) but with the tripod shifter setup that W58 will not be from an MKIII Supra. Not unless someone went to a tremendous amount of trouble to perfectly convert it from the older top-loader shifter to tripod (which no one would ever do to an MKIII W58).

The tail housing should have staggered mounting holes for the rubber transmission mount rather than perfectly straight in-line mounting holes.

The only last thing to check on is that this is an MKIV/SC tripod W58 and not an IS300 tripod W55 (which is weaker). I know there must be some visual cues to differentiate the W58 tripod gearboxes from the tripod W55 but I am not well versed in what they are, sorry.

Last edited by KahnBB6; Nov 29, 2018 at 12:20 AM.
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Old Nov 29, 2018 | 01:25 PM
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Looks to me like a W58 from the 95-97 Lexus SC300 and Supra MKIVs . The W55 has a different shifter which is not tripod like the one pictured . It's linkage and its cover are different cause it is a tad shorter . Its bell housing is almost identical with the W58 .

Transmission pictured above looks exactly the same as the W58 I have one laying around .

Last edited by gerrb; Nov 29, 2018 at 01:31 PM.
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Old Nov 29, 2018 | 02:24 PM
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Originally Posted by KahnBB6
I'm rusty on remembering exactly what a 2JZ W58 bellousing looks like but the rest of that W58 is a "tripod" style setup which would make it from a 1993.5-1997 Supra MKIV Non-Turbo OR a 1995-1997 Lexus SC300 5-speed M/T.

The middle sandwich plate on the desirable MKIV & SC W58's are steel rather than aluminum. The middle sandwich plate looks painted (or maybe they did come painted in the tripod types?) but with the tripod shifter setup that W58 will not be from an MKIII Supra. Not unless someone went to a tremendous amount of trouble to perfectly convert it from the older top-loader shifter to tripod (which no one would ever do to an MKIII W58).

The tail housing should have staggered mounting holes for the rubber transmission mount rather than perfectly straight in-line mounting holes.

The only last thing to check on is that this is an MKIV/SC tripod W58 and not an IS300 tripod W55 (which is weaker). I know there must be some visual cues to differentiate the W58 tripod gearboxes from the tripod W55 but I am not well versed in what they are, sorry.
Originally Posted by gerrb
Looks to me like a W58 from the 95-97 Lexus SC300 and Supra MKIVs . The W55 has a different shifter which is not tripod like the one pictured . It's linkage and its cover are different cause it is a tad shorter . Its bell housing is almost identical with the W58 .

Transmission pictured above looks exactly the same as the W58 I have one laying around .
awesome, thanks for the info!
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Old Nov 30, 2018 | 03:59 PM
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Originally Posted by KahnBB6
I'm rusty on remembering exactly what a 2JZ W58 bellousing looks like but the rest of that W58 is a "tripod" style setup which would make it from a 1993.5-1997 Supra MKIV Non-Turbo OR a 1995-1997 Lexus SC300 5-speed M/T.

The middle sandwich plate on the desirable MKIV & SC W58's are steel rather than aluminum. The middle sandwich plate looks painted (or maybe they did come painted in the tripod types?) but with the tripod shifter setup that W58 will not be from an MKIII Supra. Not unless someone went to a tremendous amount of trouble to perfectly convert it from the older top-loader shifter to tripod (which no one would ever do to an MKIII W58).

The tail housing should have staggered mounting holes for the rubber transmission mount rather than perfectly straight in-line mounting holes.

The only last thing to check on is that this is an MKIV/SC tripod W58 and not an IS300 tripod W55 (which is weaker). I know there must be some visual cues to differentiate the W58 tripod gearboxes from the tripod W55 but I am not well versed in what they are, sorry.
Great info!
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Old Dec 3, 2018 | 12:59 AM
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Originally Posted by gerrb
Looks to me like a W58 from the 95-97 Lexus SC300 and Supra MKIVs . The W55 has a different shifter which is not tripod like the one pictured . It's linkage and its cover are different cause it is a tad shorter . Its bell housing is almost identical with the W58 .

Transmission pictured above looks exactly the same as the W58 I have one laying around .
Thanks for this explanation Gerry! I've never seen a W55 up close and so I have never learned of the visual differences between it and the later W58's until now.
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