KA24DE Trans on SC400? - Club Lexus Forums


KA24DE Trans on SC400?

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Old 05-16-13, 10:20 PM   #1
StryfeS13
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Default KA24DE Trans on SC400?

Hi everyone, I'm new to this forum and picking up my first 92 SC400 on Saturday. It has 93k miles and is currently owned by a 50-60 year old man, it's in great shape!

I come from a strong background of S13/S14's, been working on them for as long as I can remember. In an S-Chassis, you can swap in the 1UZFE and use the KA24DE transmission with an adapter plate from swap1uz.com...My question is, in an SC400, if you use that same adapter plate, with a KA24DE tranny, will the shifter line up with the hole in the chassis, or is there some sort of linkage/adapter needed? And what driveshaft would you need to run - custom?

I know that this swap is possible because I have seen a few videos on youtube. If we can get more information about this, the cost to make an SC400 manual would be dramatically reduced in cost...

Any info on this?
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Old 05-16-13, 10:46 PM   #2
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This is quite intriguing & I'm curious to see what transpires with this, just as with the 350z tranny swap. Always nice to see people thinking out of the box and bringing new ideas and discussion to the community. Congrats on your pick up. Sounds like a beauty. Please post pics when you have them available. And as always... Welcome!
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Old 05-16-13, 10:53 PM   #3
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I haven't heard anyone here done that swap. Only W58, R154, and V160.

Measure your KA trans from that said adapter to the shifter, I might able to tell you where its going to sit.


I'm in a process of collecting parts of Aisin AR5 trans or Solstice, pretty much like R154 but shifter is longer and it will sit close to the cup holder. I already have a fix for that!
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Old 05-16-13, 10:59 PM   #4
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Why would you want that tranny? Cost? Availability? Just honestly curious since I used to have an S14 a few years back.
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Old 05-17-13, 11:56 AM   #5
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Quote:
Originally Posted by Agent0024 View Post
Why would you want that tranny? Cost? Availability? Just honestly curious since I used to have an S14 a few years back.
Both. I have given these transmissions away before. These transmissions can hold a TON of power in stock form, there are plenty of S13/14's with KA24DE-T's pushing over 600whp with the stock transmission. These transmissions usually run anywhere from 100-200 dollars, since everyone is swapping an SR20 into their S13/14's.

Quote:
Originally Posted by JesLet View Post
I haven't heard anyone here done that swap. Only W58, R154, and V160.

Measure your KA trans from that said adapter to the shifter, I might able to tell you where its going to sit.


I'm in a process of collecting parts of Aisin AR5 trans or Solstice, pretty much like R154 but shifter is longer and it will sit close to the cup holder. I already have a fix for that!
Currently at work, can hopefully get measurements later.

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Old 05-17-13, 04:41 PM   #6
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theres an LS400 using a ka24 tranny with an adaptor plate on the LS forums. I forgot where it was though but it was a drift build. It might have been that project aarp ls400 one.
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Old 05-23-13, 03:34 PM   #7
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Wow this is awesome. More details on this swap please.
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Old 05-24-13, 06:56 AM   #8
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Very interesting. I never knew the KA24DE transmissions were that strong. I've heard plenty about the glass transmissions SR20 Silvia's came with.
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Old 05-24-13, 09:52 AM   #9
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Very interesting. I never knew the KA24DE transmissions were that strong. I've heard plenty about the glass transmissions SR20 Silvia's came with.
meh, only the 6 speed had any issues really, the 5 speed was great for over 500...
if you wanted a trans thats can gonna hold the hp but keep cost down, the z32 TT transmission is the happy medium for sure, a lot of sr20 and ka-t guys end up swapping to that if they want big power.
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Old 05-24-13, 09:56 AM   #10
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looks like the ka transmission shifter lines up pretty nicely in that video ^^^^
but don't know the details of that swap..
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Old 05-24-13, 10:24 AM   #11
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Nice you prob could get em cheap or free over at Zilvia.com
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Old 05-24-13, 10:36 AM   #12
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just found one of these locally for $200, then searched ebay and poof you are right, they are cheap as crap. I might have to start my manual swap this year instead of next
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Old 05-24-13, 10:36 AM   #13
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.net and normally they can be had for less than 200.00 all day
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Old 05-24-13, 11:02 AM   #14
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Yeah there's one locally by me for $150. If anyone gets more info on this swap let us know. Maybe someone knows that guy in the video or can can contact him?
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Old 05-24-13, 11:14 PM   #15
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Quote:
Originally Posted by NixusSC View Post
meh, only the 6 speed had any issues really, the 5 speed was great for over 500...
if you wanted a trans thats can gonna hold the hp but keep cost down, the z32 TT transmission is the happy medium for sure, a lot of sr20 and ka-t guys end up swapping to that if they want big power.
^^ This is what I've been reading. The Z32-TT 5-speed is supposedly in the class of the Toyota R154. Conversely I've also read that the R154 is a superior transmission to the RWD 5-speed manual boxes that came in 1989-2002 2.5L GTS-T Skylines. Is the Z32-TT box the same as that one? I also once read about an whole 6-speed transmission Greddy or some other company sold for S14/S15 Silvias to replace their fragile factory 6-speeds.

Anyway, it sounds like the KA24DE 5-speed can take a fair beating to a point. I'm curious as to how it stacks up against the Toyota W58.
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